{"id":3731,"date":"2025-04-18T12:31:21","date_gmt":"2025-04-18T03:31:21","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=3731"},"modified":"2025-04-18T12:31:23","modified_gmt":"2025-04-18T03:31:23","slug":"php-array_push-%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89-7%e3%81%a4%e3%81%ae%e5%ae%9f%e7%94%a8%e4%be%8b%e3%81%a8%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9%e6%9c%80%e9%81%a9","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=3731","title":{"rendered":"PHP array_push \u5b8c\u5168\u30ac\u30a4\u30c9: 7\u3064\u306e\u5b9f\u7528\u4f8b\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">array_push\u3068\u306f\uff1fPHP\u306e\u914d\u5217\u64cd\u4f5c\u306e\u57fa\u672c\u3092\u7406\u89e3\u3059\u308b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">array_push\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u5f79\u5272<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u306a\u305cPHP\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u914d\u5217\u64cd\u4f5c\u304c\u91cd\u8981\u306a\u306e\u304b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">array_push\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u69cb\u6587<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u6b63\u78ba\u306a\u69cb\u6587\u3068\u5f15\u6570<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u57fa\u672c\u7684\u306a\u4f7f\u7528\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u30a8\u30e9\u30fc\u51e6\u7406\u3068return\u5024\u306e\u89e3\u8aac<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">array_push\u3068\u62ec\u5f27\u6f14\u7b97\u5b50[]\u306e\u9055\u3044\uff1a\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u304b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u6587\u6cd5\u4e0a\u306e\u9055\u3044<\/a>      <\/li>      <li>        <a href=\"#i-9\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6bd4\u8f03<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u3069\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-13\">\u5b9f\u8df5\u7684\u306a\u30a2\u30c9\u30d0\u30a4\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-14\">\u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306bPHP\u306e\u914d\u5217\u306b\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-15\">array_push\u3067\u8907\u6570\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-16\">\u8907\u6570\u914d\u5217\u306e\u30de\u30fc\u30b8\u3068array_push\u306e\u4f75\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li>        <a href=\"#i-20\">\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u914d\u5217\u306b\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-23\">\u5b9f\u8df5\u7684\u306a\u30d2\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-24\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305farray_push\u306e\u4f7f\u3044\u65b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-25\">\u5927\u898f\u6a21\u914d\u5217\u64cd\u4f5c\u6642\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-27\">array_push\u3068\u305d\u306e\u4ed6\u306e\u914d\u5217\u95a2\u6570\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308b\u51e6\u7406\u901f\u5ea6\u306e\u5411\u4e0a<\/a>      <\/li>      <li>        <a href=\"#i-29\">\u5b9f\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u7d50\u679c\u3068\u5206\u6790<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-32\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u5b9f\u8df5\u7684\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-33\">\u5b9f\u52d9\u3067\u4f7f\u3048\u308b\uff01array_push\u306e7\u3064\u306e\u5b9f\u7528\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-34\">\u4f8b1\uff1a\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u306e\u30c7\u30fc\u30bf\u53ce\u96c6\u3068\u51e6\u7406<\/a>      <\/li>      <li>        <a href=\"#i-35\">\u4f8b2\uff1a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u52d5\u7684\u306b\u62e1\u5f35\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-36\">\u4f8b3\uff1aJSON\u30c7\u30fc\u30bf\u306e\u69cb\u7bc9\u3068\u64cd\u4f5c<\/a>      <\/li>      <li>        <a href=\"#i-37\">\u4f8b4\uff1a\u591a\u6b21\u5143\u914d\u5217\u306e\u4f5c\u6210\u3068\u7ba1\u7406<\/a>      <\/li>      <li>        <a href=\"#i-38\">\u4f8b5\uff1aCSV\u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u306e\u305f\u3081\u306e\u914d\u5217\u64cd\u4f5c<\/a>      <\/li>      <li>        <a href=\"#i-39\">\u4f8b6\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-40\">\u4f8b7\uff1a\u30ed\u30b0\u53ce\u96c6\u3068\u5206\u6790\u30b7\u30b9\u30c6\u30e0<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-41\">array_push\u3068\u95a2\u9023\u3059\u308b\u914d\u5217\u64cd\u4f5c\u95a2\u6570\u306e\u6bd4\u8f03<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-42\">array_pop\u3001array_shift\u3001array_unshift\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/a>      <\/li>      <li>        <a href=\"#i-43\">array_merge\u3068array_push\u306e\u4f7f\u3044\u5206\u3051\u3068\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-44\">array_push\u3068array_combine\u306e\u5f79\u5272\u306e\u9055\u3044\u3068\u7d44\u307f\u5408\u308f\u305b\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-45\">\u95a2\u9023\u95a2\u6570\u306e\u4f7f\u3044\u5206\u3051\u306e\u5b9f\u8df5\u7684\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-46\">PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u9593\u3067\u306earray_push\u306e\u6319\u52d5\u306e\u9055\u3044\u3068\u6ce8\u610f\u70b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-47\">PHP 5.x\u30017.x\u30018.x\u3067\u306e\u6319\u52d5\u306e\u9055\u3044<\/a>      <\/li>      <li>        <a href=\"#i-53\">PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u6642\u306e\u6f5c\u5728\u7684\u306a\u554f\u984c\u3068\u5bfe\u7b56<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-59\">\u5c06\u6765\u7684\u306a\u5909\u66f4\u306e\u53ef\u80fd\u6027\u3068\u4e92\u63db\u6027\u306e\u8003\u616e<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-65\">array_push\u3092\u4f7f\u3063\u305f\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-66\">\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306b\u3088\u308b\u30b3\u30fc\u30c9\u306e\u6539\u5584\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-69\">\u53ef\u8aad\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u305f\u3081\u306e\u30d2\u30f3\u30c8<\/a>      <\/li>      <li>        <a href=\"#i-74\">\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-79\">\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u6700\u9069\u5316\u306e\u7dcf\u62ec<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-80\">\u307e\u3068\u3081\uff1aPHP\u3067\u306earray_push\u6d3b\u7528\u306e\u7dcf\u62ec\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-81\">\u672c\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u30ad\u30fc\u30dd\u30a4\u30f3\u30c8\u306e\u518d\u78ba\u8a8d<\/a>      <\/li>      <li>        <a href=\"#i-90\">array_push\u30de\u30b9\u30bf\u30fc\u306e\u305f\u3081\u306e\u5b9f\u8df5\u8ab2\u984c<\/a>      <\/li>      <li>        <a href=\"#i-95\">\u3055\u3089\u306b\u5b66\u7fd2\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u63a8\u5968\u66f8\u7c4d\u30fb\u30b5\u30a4\u30c8<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-101\">\u7d42\u308f\u308a\u306b<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">array_push\u3068\u306f\uff1fPHP\u306e\u914d\u5217\u64cd\u4f5c\u306e\u57fa\u672c\u3092\u7406\u89e3\u3059\u308b<\/h2>\n\n\n\n<p>PHP\u306b\u304a\u3051\u308b\u914d\u5217\u64cd\u4f5c\u306f\u3001\u30a6\u30a7\u30d6\u958b\u767a\u306e\u57fa\u672c\u4e2d\u306e\u57fa\u672c\u3067\u3059\u3002\u7279\u306b<code>array_push()<\/code>\u95a2\u6570\u306f\u3001PHP\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u304c\u65e5\u5e38\u7684\u306b\u4f7f\u7528\u3059\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u914d\u5217\u64cd\u4f5c\u95a2\u6570\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">array_push\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u5f79\u5272<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u95a2\u6570\u306f\u3001\u305d\u306e\u540d\u524d\u304c\u793a\u3059\u901a\u308a\u3001\u65e2\u5b58\u306e\u914d\u5217\u306e<strong>\u672b\u5c3e\u306b\u4e00\u3064\u4ee5\u4e0a\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b<\/strong>\u305f\u3081\u306ePHP\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3067\u3059\u3002\u914d\u5217\u3092\u300c\u30b9\u30bf\u30c3\u30af\u300d\u3068\u3057\u3066\u6271\u3044\u3001\u65b0\u3057\u3044\u8981\u7d20\u3092\u300c\u30d7\u30c3\u30b7\u30e5\uff08\u62bc\u3057\u8fbc\u3080\uff09\u300d\u3059\u308b\u30a4\u30e1\u30fc\u30b8\u3067\u7406\u89e3\u3059\u308b\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u516c\u5f0f\u306ePHP\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u3088\u308b\u3068\u3001<code>array_push()<\/code>\u95a2\u6570\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int array_push(array &amp;$array, mixed ...$values): int\n<\/pre>\n\n\n\n<p>\u3053\u306e\u95a2\u6570\u306f\u3001\u7b2c\u4e00\u5f15\u6570\u306b\u5bfe\u8c61\u3068\u306a\u308b\u914d\u5217\u3092\u53d7\u3051\u53d6\u308a\u3001\u7b2c\u4e8c\u5f15\u6570\u4ee5\u964d\u306b\u8ffd\u52a0\u3057\u305f\u3044\u5024\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u6574\u6570\u5024\u3068\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u306a\u305cPHP\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u914d\u5217\u64cd\u4f5c\u304c\u91cd\u8981\u306a\u306e\u304b<\/h3>\n\n\n\n<p>PHP\u306e\u4e16\u754c\u3067\u306f\u3001\u914d\u5217\u306f\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u914d\u5217\u64cd\u4f5c\u306f\u6b20\u304b\u305b\u307e\u305b\u3093\uff1a<\/p>\n\n\n<div id=\"id-703ebefa-1aee-447a-b135-e187d032edb4\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7528\u9014<\/th><th>\u5177\u4f53\u4f8b<\/th><\/tr><\/thead><tbody><tr><td>\u30c7\u30fc\u30bf\u53ce\u96c6<\/td><td>\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u8907\u6570\u306e\u5024\u3092\u683c\u7d0d<\/td><\/tr><tr><td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u51e6\u7406<\/td><td>\u30af\u30a8\u30ea\u7d50\u679c\u306e\u884c\u3092\u914d\u5217\u3068\u3057\u3066\u6271\u3046<\/td><\/tr><tr><td>API\u9023\u643a<\/td><td>JSON\u30c7\u30fc\u30bf\u306e\u69cb\u7bc9\u3068\u89e3\u6790<\/td><\/tr><tr><td>\u30ad\u30e3\u30c3\u30b7\u30e5\u7ba1\u7406<\/td><td>\u4e00\u6642\u7684\u306a\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u3068\u53d6\u5f97<\/td><\/tr><tr><td>\u8a2d\u5b9a\u7ba1\u7406<\/td><td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\u306e\u683c\u7d0d\u3068\u53c2\u7167<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u7279\u306b\u52d5\u7684\u306a\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u884c\u6642\u306b\u914d\u5217\u306e\u5185\u5bb9\u304c\u5909\u5316\u3059\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30ab\u30fc\u30c8\u306b\u5546\u54c1\u3092\u8ffd\u52a0\u3059\u308b\u51e6\u7406\u3084\u3001\u5206\u6790\u306e\u305f\u3081\u306b\u30ed\u30b0\u30c7\u30fc\u30bf\u3092\u84c4\u7a4d\u3059\u308b\u51e6\u7406\u306a\u3069\u304c\u305d\u306e\u5178\u578b\u3067\u3059\u3002<\/p>\n\n\n\n<p><code>array_push()<\/code>\u95a2\u6570\u306f\u3053\u3046\u3057\u305f\u52d5\u7684\u306a\u914d\u5217\u64cd\u4f5c\u3092\u7c21\u6f54\u304b\u3064\u52b9\u7387\u7684\u306b\u884c\u3046\u305f\u3081\u306e\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u521d\u5fc3\u8005\u306b\u3068\u3063\u3066\u306f\u914d\u5217\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u6700\u3082\u76f4\u611f\u7684\u306a\u65b9\u6cd5\u3067\u3042\u308a\u3001\u4e0a\u7d1a\u8005\u306b\u3068\u3063\u3066\u3082\u7279\u5b9a\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306f\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3059\u308b\u95a2\u6570\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001<code>array_push()<\/code>\u3092\u4f7f\u3063\u305f\u7c21\u5358\u306a\u4f8b\u3067\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u7a7a\u306e\u914d\u5217\u3092\u521d\u671f\u5316\n$fruits = [];\n\n\/\/ array_push()\u3067\u8981\u7d20\u3092\u8ffd\u52a0\narray_push($fruits, \"\u308a\u3093\u3054\");  \/\/ \u914d\u5217\u306b\u300c\u308a\u3093\u3054\u300d\u3092\u8ffd\u52a0\narray_push($fruits, \"\u30d0\u30ca\u30ca\");  \/\/ \u914d\u5217\u306b\u300c\u30d0\u30ca\u30ca\u300d\u3092\u8ffd\u52a0\n\n\/\/ \u7d50\u679c\u3092\u8868\u793a\nprint_r($fruits);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; \u308a\u3093\u3054 [1] =&gt; \u30d0\u30ca\u30ca )\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001<code>array_push()<\/code>\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u3001\u5b9f\u52d9\u3067\u306e\u5fdc\u7528\u4f8b\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002PHP\u306e\u914d\u5217\u64cd\u4f5c\u3092\u30de\u30b9\u30bf\u30fc\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u67d4\u8edf\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">array_push\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3068\u69cb\u6587<\/h2>\n\n\n\n<p><code>array_push()<\/code>\u95a2\u6570\u306f\u3001PHP\u306b\u304a\u3051\u308b\u914d\u5217\u64cd\u4f5c\u306e\u4e2d\u3067\u3082\u6700\u3082\u57fa\u672c\u7684\u304b\u3064\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u95a2\u6570\u306e\u4e00\u3064\u3067\u3059\u3002\u3053\u306e\u95a2\u6570\u3092\u5fb9\u5e95\u7684\u306b\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001PHP\u3067\u306e\u914d\u5217\u64cd\u4f5c\u304c\u683c\u6bb5\u306b\u52b9\u7387\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u6b63\u78ba\u306a\u69cb\u6587\u3068\u5f15\u6570<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u306e\u516c\u5f0f\u306a\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int array_push(array &amp;$array, mixed ...$values): int\n<\/pre>\n\n\n\n<p>\u3053\u306e\u69cb\u6587\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3059\u308b\u3068\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7b2c\u4e00\u5f15\u6570 <code>&amp;$array<\/code><\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u64cd\u4f5c\u5bfe\u8c61\u3068\u306a\u308b\u914d\u5217\u3092\u6307\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li><code>&amp;<\/code>\u8a18\u53f7\u306f\u300c\u53c2\u7167\u6e21\u3057\u300d\u3092\u610f\u5473\u3057\u3001\u3053\u306e\u95a2\u6570\u304c\u5143\u306e\u914d\u5217\u3092\u76f4\u63a5\u5909\u66f4\u3059\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7b2c\u4e8c\u5f15\u6570\u4ee5\u964d <code>mixed ...$values<\/code><\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u914d\u5217\u306b\u8ffd\u52a0\u3057\u305f\u3044\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li><code>...<\/code>\uff08\u53ef\u5909\u9577\u5f15\u6570\uff09\u306f\u3001\u8907\u6570\u306e\u5024\u3092\u6307\u5b9a\u3067\u304d\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059<\/li>\n\n\n\n<li><code>mixed<\/code>\u578b\u306a\u306e\u3067\u3001\u3069\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u578b\u306e\u5024\u3067\u3082\u8ffd\u52a0\u53ef\u80fd\u3067\u3059<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u623b\u308a\u5024 <code>int<\/code><\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u6574\u6570\u5024\u3068\u3057\u3066\u8fd4\u3057\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u57fa\u672c\u7684\u306a\u4f7f\u7528\u4f8b<\/h3>\n\n\n\n<p>\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306e\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u521d\u671f\u914d\u5217\n$colors = [\"\u8d64\", \"\u9752\"];\n\n\/\/ \u5358\u4e00\u306e\u8981\u7d20\u3092\u8ffd\u52a0\n$newCount = array_push($colors, \"\u7dd1\");\n\necho \"\u65b0\u3057\u3044\u8981\u7d20\u6570: \" . $newCount . \"\\n\";  \/\/ \u51fa\u529b: \u65b0\u3057\u3044\u8981\u7d20\u6570: 3\nprint_r($colors);  \/\/ \u51fa\u529b: Array ( [0] =&gt; \u8d64 [1] =&gt; \u9752 [2] =&gt; \u7dd1 )\n\n\/\/ \u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\narray_push($colors, \"\u9ec4\", \"\u7d2b\", \"\u30aa\u30ec\u30f3\u30b8\");\nprint_r($colors);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; \u8d64 [1] =&gt; \u9752 [2] =&gt; \u7dd1 [3] =&gt; \u9ec4 [4] =&gt; \u7d2b [5] =&gt; \u30aa\u30ec\u30f3\u30b8 )\n?&gt;\n<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u304b\u3089\u3001<code>array_push()<\/code>\u304c\u914d\u5217\u306e\u672b\u5c3e\u306b\u65b0\u3057\u3044\u8981\u7d20\u3092\u9806\u756a\u306b\u8ffd\u52a0\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u623b\u308a\u5024\u3068\u3057\u3066\u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u306e\u8981\u7d20\u6570\u304c\u8fd4\u3055\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u5024\u3092\u4f7f\u3063\u3066\u914d\u5217\u306e\u30b5\u30a4\u30ba\u3092\u8ffd\u8de1\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30a8\u30e9\u30fc\u51e6\u7406\u3068return\u5024\u306e\u89e3\u8aac<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u6ce8\u610f\u70b9\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7b2c\u4e00\u5f15\u6570\u304c\u914d\u5217\u3067\u306a\u3044\u5834\u5408<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n$notArray = \"\u3053\u308c\u306f\u6587\u5b57\u5217\u3067\u3059\";\n\/\/ \u8b66\u544a\u304c\u767a\u751f: array_push() expects parameter 1 to be array, string given\narray_push($notArray, \"\u8ffd\u52a0\u8981\u7d20\");\n?&gt;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u672a\u5b9a\u7fa9\u306e\u5909\u6570\u3092\u4f7f\u304a\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\n\/\/ Notice: Undefined variable: undefinedArray\n\/\/ Warning: array_push() expects parameter 1 to be array, null given array_push($undefinedArray, \"\u5024\");\n\n\/\/ \u6b63\u3057\u3044\u4f7f\u3044\u65b9\uff1a\u5148\u306b\u914d\u5217\u3092\u521d\u671f\u5316\u3059\u308b\n$properArray = [];\narray_push($properArray, \"\u5024\");\n\/\/ \u3053\u308c\u306f\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u307e\u3059\n?&gt;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>return\u5024\u306e\u6d3b\u7528<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n$items = [\"\u30a2\u30a4\u30c6\u30e01\"];\n\/\/ return\u5024\u3092\u5909\u6570\u306b\u683c\u7d0d\n$count = array_push($items, \"\u30a2\u30a4\u30c6\u30e02\", \"\u30a2\u30a4\u30c6\u30e03\");\n\n\/\/ \u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u3001count\u3092\u4f7f\u3046\u4ee3\u308f\u308a\u306barray_push\u306e\u623b\u308a\u5024\u3092\u5229\u7528\u3067\u304d\u308b\necho \"\u30a2\u30a4\u30c6\u30e0\u6570: \" . $count . \"\\n\";\n\/\/ \u51fa\u529b: \u30a2\u30a4\u30c6\u30e0\u6570: 3\n\n\/\/ \u3057\u304b\u3057\u901a\u5e38\u306freturn\u5024\u306f\u7121\u8996\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\narray_push($items, \"\u30a2\u30a4\u30c6\u30e04\");\n\/\/ \u623b\u308a\u5024\u3092\u7121\u8996\n?&gt;<\/pre>\n\n\n\n<p><code>array_push()<\/code>\u95a2\u6570\u306f\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u95a2\u6570\u3067\u3059\u304c\u3001\u9069\u5207\u306b\u4f7f\u3046\u3053\u3068\u3067\u52b9\u7387\u7684\u306a\u30b3\u30fc\u30c9\u304c\u66f8\u3051\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4f3c\u305f\u3088\u3046\u306a\u6a5f\u80fd\u3092\u6301\u3064\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u3068\u306e\u9055\u3044\u3068\u305d\u308c\u305e\u308c\u306e\u4f7f\u3044\u5206\u3051\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">array_push\u3068\u62ec\u5f27\u6f14\u7b97\u5b50[]\u306e\u9055\u3044\uff1a\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u304b<\/h2>\n\n\n\n<p>PHP\u3067\u914d\u5217\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306f\u8907\u6570\u5b58\u5728\u3057\u307e\u3059\u304c\u3001\u6700\u3082\u3088\u304f\u4f7f\u308f\u308c\u308b2\u3064\u306e\u65b9\u6cd5\u304c<code>array_push()<\/code>\u95a2\u6570\u3068\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u3067\u3059\u3002\u3053\u306e2\u3064\u306e\u65b9\u6cd5\u306f\u3069\u3061\u3089\u3082\u914d\u5217\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u304c\u3001\u91cd\u8981\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3089\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u65b9\u6cd5\u3092\u9078\u629e\u3057\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u6587\u6cd5\u4e0a\u306e\u9055\u3044<\/h3>\n\n\n\n<p>\u307e\u305a\u3001\u4e21\u8005\u306e\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u306e\u9055\u3044\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ array_push()\u306e\u5834\u5408\n$array = [\"\u8981\u7d201\", \"\u8981\u7d202\"];\narray_push($array, \"\u8981\u7d203\");        \/\/ 1\u3064\u306e\u8981\u7d20\u3092\u8ffd\u52a0\narray_push($array, \"\u8981\u7d204\", \"\u8981\u7d205\"); \/\/ \u8907\u6570\u306e\u8981\u7d20\u3092\u8ffd\u52a0\n\n\/\/ \u62ec\u5f27\u6f14\u7b97\u5b50[]\u306e\u5834\u5408\n$array = [\"\u8981\u7d201\", \"\u8981\u7d202\"];\n$array[] = \"\u8981\u7d203\";                 \/\/ 1\u3064\u306e\u8981\u7d20\u3092\u8ffd\u52a0\n\n\/\/ \u8907\u6570\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306f\u3001\u500b\u5225\u306b\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\n$array[] = \"\u8981\u7d204\";\n$array[] = \"\u8981\u7d205\";\n?&gt;\n<\/pre>\n\n\n\n<p>\u4e3b\u306a\u6587\u6cd5\u4e0a\u306e\u9055\u3044\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n<div id=\"id-554fc157-5bd6-4b4e-89b6-2efe5afb4fd1\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>array_push()<\/th><th>\u62ec\u5f27\u6f14\u7b97\u5b50[]<\/th><\/tr><\/thead><tbody><tr><td>\u8907\u6570\u8981\u7d20\u306e\u8ffd\u52a0<\/td><td>\u4e00\u5ea6\u306b\u8907\u6570\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u53ef\u80fd<\/td><td>1\u56de\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30671\u3064\u306e\u8981\u7d20\u306e\u307f\u8ffd\u52a0\u53ef\u80fd<\/td><\/tr><tr><td>\u95a2\u6570\u547c\u3073\u51fa\u3057<\/td><td>\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u3042\u308b<\/td><td>\u8a00\u8a9e\u69cb\u9020\u306a\u306e\u3067\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5c11\u306a\u3044<\/td><\/tr><tr><td>\u623b\u308a\u5024<\/td><td>\u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u30b5\u30a4\u30ba\u3092\u8fd4\u3059<\/td><td>\u5024\u81ea\u4f53\u3092\u8fd4\u3055\u306a\u3044<\/td><\/tr><tr><td>\u591a\u6b21\u5143\u914d\u5217\u3078\u306e\u30a2\u30af\u30bb\u30b9<\/td><td>\u3084\u3084\u5197\u9577\u306a\u66f8\u304d\u65b9\u304c\u5fc5\u8981<\/td><td>\u3088\u308a\u76f4\u611f\u7684\u306a\u30a2\u30af\u30bb\u30b9\u304c\u53ef\u80fd<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u3068\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u306f\u3001PHP\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3067\u3088\u304f\u8b70\u8ad6\u3055\u308c\u308b\u8a71\u984c\u3067\u3059\u3002\u5b9f\u969b\u306e\u6e2c\u5b9a\u7d50\u679c\u3067\u306f\u3001\u5358\u4e00\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408\u3001\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u306e\u65b9\u304c\u660e\u3089\u304b\u306b\u9ad8\u901f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u5358\u4e00\u8981\u7d20\u8ffd\u52a0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u7d50\u679c\u3067\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u306e\u30b3\u30fc\u30c9\u4f8b\n$iterations = 1000000;\n$array = [];\n\n\/\/ \u62ec\u5f27\u6f14\u7b97\u5b50[]\u306e\u30c6\u30b9\u30c8\n$start = microtime(true);\nfor ($i = 0; $i &lt; $iterations; $i++) {\n    $array[] = $i;\n}\n$bracket_time = microtime(true) - $start;\n$array = []; \/\/ \u914d\u5217\u3092\u30ea\u30bb\u30c3\u30c8\n\n\/\/ array_push()\u306e\u30c6\u30b9\u30c8\n$start = microtime(true);\nfor ($i = 0; $i &lt; $iterations; $i++) {\n    array_push($array, $i);\n}\n$push_time = microtime(true) - $start;\n\necho \"\u62ec\u5f27\u6f14\u7b97\u5b50\u306e\u5b9f\u884c\u6642\u9593: \" . $bracket_time . \" \u79d2\\n\";\necho \"array_push()\u306e\u5b9f\u884c\u6642\u9593: \" . $push_time . \" \u79d2\\n\";\necho \"\u62ec\u5f27\u6f14\u7b97\u5b50\u306f array_push() \u306e\u7d04 \" . round($push_time \/ $bracket_time, 2) . \" \u500d\u901f\u3044\\n\";\n\n\/*\n\u5178\u578b\u7684\u306a\u51fa\u529b\u4f8b\uff1a\n\u62ec\u5f27\u6f14\u7b97\u5b50\u306e\u5b9f\u884c\u6642\u9593: 0.12 \u79d2\narray_push()\u306e\u5b9f\u884c\u6642\u9593: 0.18 \u79d2\n\u62ec\u5f27\u6f14\u7b97\u5b50\u306f array_push() \u306e\u7d04 1.5 \u500d\u901f\u3044\n*\/\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5dee\u306e\u7406\u7531\u306f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/strong>: <code>array_push()<\/code>\u306f\u95a2\u6570\u547c\u3073\u51fa\u3057\u306a\u306e\u3067\u3001\u30b9\u30bf\u30c3\u30af\u30d5\u30ec\u30fc\u30e0\u306e\u4f5c\u6210\u3084\u95a2\u6570\u5f15\u6570\u306e\u51e6\u7406\u306a\u3069\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5185\u90e8\u5b9f\u88c5\u306e\u9055\u3044<\/strong>: \u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u306fPHP\u8a00\u8a9e\u306e\u69cb\u6587\u69cb\u9020\uff08\u8a00\u8a9e\u69cb\u9020\uff09\u3067\u3042\u308a\u3001\u3088\u308a\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u3069\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b<\/h3>\n\n\n\n<p>\u4e21\u8005\u306e\u7279\u6027\u3092\u7406\u89e3\u3057\u305f\u3046\u3048\u3067\u3001\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u53c2\u8003\u306b\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-11\">\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u3092\u4f7f\u3046\u3079\u304d\u5834\u5408\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5358\u4e00\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$array[] = \"\u65b0\u3057\u3044\u8981\u7d20\"; \/\/ \u6700\u3082\u4e00\u822c\u7684\u304b\u3064\u9ad8\u901f<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u306e\u7c21\u6f54\u3055\u3092\u91cd\u8996\u3059\u308b\u5834\u5408<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u95a2\u6570\u547c\u3073\u51fa\u3057\u3088\u308a\u7c21\u6f54\u3067\u8aad\u307f\u3084\u3059\u3044\n$users[] = $newUser;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u5185\u3067\u983b\u7e41\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">foreach ($data as $item) {\n    $processedData[] = processItem($item); \/\/ \u9ad8\u901f\u306a\u8ffd\u52a0\u51e6\u7406\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-12\"><code>array_push()<\/code>\u3092\u4f7f\u3046\u3079\u304d\u5834\u5408\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\u3059\u308b\u5834\u5408<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u4e00\u5ea6\u306b\u8907\u6570\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u969b\u306b\u4fbf\u5229\narray_push($cart, $item1, $item2, $item3);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u306e\u30b5\u30a4\u30ba\u3092\u8ffd\u8de1\u3057\u305f\u3044\u5834\u5408<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$newSize = array_push($collection, $newItem);\nif ($newSize &gt; $maxSize) {\n    \/\/ \u914d\u5217\u30b5\u30a4\u30ba\u304c\u4e0a\u9650\u3092\u8d85\u3048\u305f\u5834\u5408\u306e\u51e6\u7406\n}<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30bf\u30a4\u30eb\u3092\u597d\u3080\u5834\u5408<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u95a2\u6570\u578b\u306e\u66f8\u304d\u65b9\u3092\u4e00\u8cab\u3057\u3066\u4f7f\u7528\u3059\u308b\n$data = array_filter($data, $filterFunc);\narray_push($data, $newItems);\n$data = array_map($mapFunc, $data);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53ef\u8aad\u6027\u3092\u91cd\u8996\u3059\u308b\u5834\u5408\uff08\u95a2\u6570\u540d\u81ea\u4f53\u304c\u4f55\u3092\u3057\u3066\u3044\u308b\u304b\u660e\u78ba\uff09<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30b3\u30fc\u30c9\u3092\u8aad\u3093\u3060\u4eba\u304c\u3059\u3050\u306b\u300c\u914d\u5217\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3066\u3044\u308b\u300d\u3068\u7406\u89e3\u3067\u304d\u308b\narray_push($eventListeners, $newListener);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u5b9f\u8df5\u7684\u306a\u30a2\u30c9\u30d0\u30a4\u30b9<\/h3>\n\n\n\n<p>\u5b9f\u52d9\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8003\u3048\u65b9\u3067\u9078\u629e\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u306f\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u3092\u4f7f\u3046<\/strong>: \u5358\u4e00\u8981\u7d20\u306e\u8ffd\u52a0\u3067\u306f\u5e38\u306b\u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u512a\u5148\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u8907\u6570\u8981\u7d20\u306e\u8ffd\u52a0\u3067\u306f<code>array_push()<\/code>\u3092\u4f7f\u3046<\/strong>: \u30b3\u30fc\u30c9\u306e\u7c21\u6f54\u3055\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30eb\u30fc\u30d7\u3067\u306f\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code><\/strong>: \u983b\u7e41\u306b\u547c\u3073\u51fa\u3055\u308c\u308b\u7b87\u6240\u3067\u306f\u3001\u5c0f\u3055\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5dee\u3082\u7a4d\u307f\u91cd\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30b3\u30fc\u30c9\u306e\u4e00\u8cab\u6027\u3092\u91cd\u8996\u3059\u308b<\/strong>: \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u3067\u4e00\u8cab\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3069\u3061\u3089\u306e\u65b9\u6cd5\u3082\u6709\u52b9\u3067\u3059\u304c\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-14\">\u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306bPHP\u306e\u914d\u5217\u306b\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>PHP\u3067\u958b\u767a\u3092\u3057\u3066\u3044\u308b\u3068\u3001\u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u914d\u5217\u306b\u8ffd\u52a0\u3057\u305f\u3044\u5834\u9762\u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f1\u3064\u305a\u3064\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3082\u306e\u306e\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u65b9\u6cd5\u3092\u77e5\u3063\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u7c21\u6f54\u3055\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4e21\u7acb\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">array_push\u3067\u8907\u6570\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u95a2\u6570\u306e\u6700\u5927\u306e\u5229\u70b9\u306e\u4e00\u3064\u306f\u3001\u53ef\u5909\u9577\u5f15\u6570\u3092\u53d7\u3051\u4ed8\u3051\u308b\u305f\u3081\u3001\u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306e\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u3067\u8ffd\u52a0\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u8cb7\u3044\u7269\u30ab\u30fc\u30c8\u306e\u4f8b\n$cart = [\"\u308a\u3093\u3054\", \"\u30d0\u30ca\u30ca\"];\n\n\/\/ \u4e00\u5ea6\u306b\u8907\u6570\u306e\u5546\u54c1\u3092\u8ffd\u52a0\narray_push($cart, \"\u30aa\u30ec\u30f3\u30b8\", \"\u3076\u3069\u3046\", \"\u30e1\u30ed\u30f3\");\n\nprint_r($cart);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; \u308a\u3093\u3054 [1] =&gt; \u30d0\u30ca\u30ca [2] =&gt; \u30aa\u30ec\u30f3\u30b8 [3] =&gt; \u3076\u3069\u3046 [4] =&gt; \u30e1\u30ed\u30f3 )\n\n\/\/ \u5f15\u6570\u306e\u6570\u306b\u5236\u9650\u306f\u306a\u3044\uff08\u5b9f\u8cea\u7684\u306a\u30e1\u30e2\u30ea\u5236\u9650\u3092\u9664\u304f\uff09\narray_push($cart, \"\u3044\u3061\u3054\", \"\u30d1\u30a4\u30ca\u30c3\u30d7\u30eb\", \"\u30ad\u30a6\u30a4\", \"\u30de\u30f3\u30b4\u30fc\", \"\u30d1\u30d1\u30a4\u30e4\");\n\n\/\/ \u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u305f\u5024\u3082\u8ffd\u52a0\u53ef\u80fd\n$fruit1 = \"\u3055\u304f\u3089\u3093\u307c\";\n$fruit2 = \"\u30d6\u30eb\u30fc\u30d9\u30ea\u30fc\";\narray_push($cart, $fruit1, $fruit2);\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u65b9\u6cd5\u306e\u5229\u70b9\u306f\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u9ad8\u304f\u3001\u4e00\u76ee\u3067\u8907\u6570\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u8907\u6570\u914d\u5217\u306e\u30de\u30fc\u30b8\u3068array_push\u306e\u4f75\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u65e2\u5b58\u306e\u914d\u5217\u306b\u5225\u306e\u914d\u5217\u306e\u5168\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u305f\u3044\u5834\u5408\u3001<code>array_push()<\/code>\u3068<code>array_merge()<\/code>\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-17\">\u65b9\u6cd51: array_merge\u3092\u4f7f\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n$baseArray = [1, 2, 3];\n$additionalItems = [4, 5, 6];\n\n\/\/ 2\u3064\u306e\u914d\u5217\u3092\u30de\u30fc\u30b8\u3057\u3066\u65b0\u3057\u3044\u914d\u5217\u3092\u4f5c\u6210\n$result = array_merge($baseArray, $additionalItems);\nprint_r($result);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; 1 [1] =&gt; 2 [2] =&gt; 3 [3] =&gt; 4 [4] =&gt; 5 [5] =&gt; 6 )\n\n\/\/ 3\u3064\u4ee5\u4e0a\u306e\u914d\u5217\u3082\u30de\u30fc\u30b8\u53ef\u80fd\n$moreItems = [7, 8];\n$evenMoreItems = [9, 10];\n$result = array_merge($baseArray, $additionalItems, $moreItems, $evenMoreItems);\nprint_r($result);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; 1 ... [9] =&gt; 10 )\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u65b0\u3057\u3044\u914d\u5217\u3092\u8fd4\u3059\u305f\u3081\u3001\u5143\u306e\u914d\u5217\u306f\u5909\u66f4\u3055\u308c\u307e\u305b\u3093\u3002\u5143\u306e\u914d\u5217\u3092\u5909\u66f4\u3057\u305f\u3044\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-18\">\u65b9\u6cd52: array_push\u306b\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\uff08\u2026\uff09\u3092\u4f7f\u7528\uff08PHP 7.4\u4ee5\u964d\uff09<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n$baseArray = [1, 2, 3];\n$additionalItems = [4, 5, 6];\n\n\/\/ \u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u3066array_push\u306b\u914d\u5217\u8981\u7d20\u3092\u5c55\u958b\narray_push($baseArray, ...$additionalItems);\nprint_r($baseArray);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; 1 [1] =&gt; 2 [2] =&gt; 3 [3] =&gt; 4 [4] =&gt; 5 [5] =&gt; 6 )\n?&gt;\n<\/pre>\n\n\n\n<p>\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\uff08<code>...<\/code>\uff09\u306f\u3001PHP 7.4\u4ee5\u964d\u3067\u914d\u5217\u3092\u300c\u5c55\u958b\u300d\u3057\u3001\u5404\u8981\u7d20\u3092\u500b\u5225\u306e\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-19\">\u65b9\u6cd53: array_push\u306e\u53ef\u5909\u5f15\u6570\u3092\u4f7f\u7528\u3057\u305f\u30de\u30fc\u30b8<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nfunction addMultipleArrays(&amp;$baseArray, ...$arraysToPush) {\n    foreach ($arraysToPush as $array) {\n        foreach ($array as $item) {\n            $baseArray[] = $item;  \/\/ \u5404\u8981\u7d20\u3092\u500b\u5225\u306b\u8ffd\u52a0\n        }\n    }\n}\n\n$baseArray = [1, 2, 3];\n$array1 = [4, 5];\n$array2 = [6, 7];\n\naddMultipleArrays($baseArray, $array1, $array2);\nprint_r($baseArray);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; 1 [1] =&gt; 2 [2] =&gt; 3 [3] =&gt; 4 [4] =&gt; 5 [5] =&gt; 6 [6] =&gt; 7 )\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3088\u308a\u660e\u793a\u7684\u306b\u8907\u6570\u914d\u5217\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u914d\u5217\u306b\u8ffd\u52a0\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u914d\u5217\u306b\u8ffd\u52a0\u3059\u308b\u5834\u5408\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-21\">\u30e1\u30e2\u30ea\u52b9\u7387\u3092\u8003\u616e\u3057\u305f\u8ffd\u52a0\u65b9\u6cd5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u975e\u52b9\u7387\u7684\u306a\u65b9\u6cd5\uff08\u591a\u304f\u306e\u30e1\u30e2\u30ea\u3092\u4f7f\u7528\uff09\n$largeArray = [];\nfor ($i = 0; $i &lt; 100000; $i++) {\n    array_push($largeArray, \"\u9805\u76ee\" . $i);  \/\/ \u6bce\u56de\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\n}\n\n\/\/ \u3088\u308a\u52b9\u7387\u7684\u306a\u65b9\u6cd51\uff08\u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\uff09\n$largeArray = [];\nfor ($i = 0; $i &lt; 100000; $i++) {\n    $largeArray[] = \"\u9805\u76ee\" . $i;  \/\/ \u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u56de\u907f\n}\n\n\/\/ \u3088\u308a\u52b9\u7387\u7684\u306a\u65b9\u6cd52\uff08\u914d\u5217\u306e\u30b5\u30a4\u30ba\u3092\u4e8b\u524d\u306b\u78ba\u4fdd\uff09\n$size = 100000;\n$largeArray = array_fill(0, $size, null);  \/\/ \u914d\u5217\u306e\u30b5\u30a4\u30ba\u3092\u4e8b\u524d\u306b\u78ba\u4fdd\nfor ($i = 0; $i &lt; $size; $i++) {\n    $largeArray[$i] = \"\u9805\u76ee\" . $i;  \/\/ \u65e2\u5b58\u306e\u8981\u7d20\u3092\u4e0a\u66f8\u304d\n}\n\n\/\/ \u30d0\u30c3\u30c1\u51e6\u7406\u65b9\u5f0f\uff08\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u5c0f\u3055\u306a\u30d0\u30c3\u30c1\u306b\u5206\u3051\u3066\u51e6\u7406\uff09\n$batchSize = 1000;\n$totalItems = 100000;\n$largeArray = [];\n\nfor ($batch = 0; $batch &lt; $totalItems \/ $batchSize; $batch++) {\n    $batchItems = [];\n    for ($i = 0; $i &lt; $batchSize; $i++) {\n        $index = $batch * $batchSize + $i;\n        if ($index &lt; $totalItems) {\n            $batchItems[] = \"\u9805\u76ee\" . $index;\n        }\n    }\n    \/\/ \u30d0\u30c3\u30c1\u5358\u4f4d\u3067array_push\u3092\u4f7f\u7528\n    array_push($largeArray, ...$batchItems);\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-22\">\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u5927\u91cf\u30c7\u30fc\u30bf\u51e6\u7406<\/h4>\n\n\n\n<p>\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u3001\u5168\u3066\u3092\u30e1\u30e2\u30ea\u306b\u4fdd\u6301\u305b\u305a\u306b\u51e6\u7406\u3059\u308b\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u95a2\u6570\nfunction generateItems($count) {\n    for ($i = 0; $i &lt; $count; $i++) {\n        yield \"\u9805\u76ee\" . $i;  \/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u30c7\u30fc\u30bf\u751f\u6210\n    }\n}\n\n\/\/ \u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30c7\u30fc\u30bf\u3092\u914d\u5217\u306b\u5909\u63db\n$itemGenerator = generateItems(100000);\n$partialArray = [];\n\n\/\/ \u6700\u521d\u306e100\u9805\u76ee\u3060\u3051\u3092\u914d\u5217\u306b\u8ffd\u52a0\n$counter = 0;\nforeach ($itemGenerator as $item) {\n    $partialArray[] = $item;\n    $counter++;\n    if ($counter &gt;= 100) break;\n}\n\nprint_r($partialArray);  \/\/ \u6700\u521d\u306e100\u9805\u76ee\u3060\u3051\u3092\u8868\u793a\n?&gt;\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u5b9f\u8df5\u7684\u306a\u30d2\u30f3\u30c8<\/h3>\n\n\n\n<p>\u8907\u6570\u8981\u7d20\u3092\u914d\u5217\u306b\u8ffd\u52a0\u3059\u308b\u969b\u306e\u5b9f\u8df5\u7684\u306a\u30d2\u30f3\u30c8\u3092\u307e\u3068\u3081\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5358\u7d14\u306a\u8ffd\u52a0\u306b\u306f\u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u4f7f\u7528<\/strong>: <code>$array[] = $item1; $array[] = $item2;<\/code><\/li>\n\n\n\n<li><strong>\u5c11\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\u3059\u308b\u306b\u306farray_push<\/strong>: <code>array_push($array, $item1, $item2, $item3);<\/code><\/li>\n\n\n\n<li><strong>\u5225\u306e\u914d\u5217\u306e\u5168\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408<\/strong>:\n<ul class=\"wp-block-list\">\n<li>PHP 7.4\u4ee5\u964d\uff1a<code>array_push($array, ...$otherArray);<\/code><\/li>\n\n\n\n<li>\u305d\u308c\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\uff1a<code>$array = array_merge($array, $otherArray);<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b\u5834\u5408<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u691c\u8a0e\u3059\u308b<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u6ce8\u610f\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u91cd\u8996\u306e\u5834\u5408<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u5185\u3067\u306e<code>array_push()<\/code>\u547c\u3073\u51fa\u3057\u3092\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u53ef\u80fd\u3067\u3042\u308c\u3070\u914d\u5217\u30b5\u30a4\u30ba\u3092\u4e8b\u524d\u306b\u78ba\u4fdd\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u4ee5\u4e0a\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7406\u89e3\u3057\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u8981\u7d20\u306e\u914d\u5217\u8ffd\u52a0\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f<code>array_push<\/code>\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-24\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305farray_push\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>PHP\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6027\u80fd\u5411\u4e0a\u3092\u8003\u3048\u308b\u5834\u5408\u3001\u914d\u5217\u64cd\u4f5c\u306f\u6700\u9069\u5316\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3068\u306a\u308a\u307e\u3059\u3002\u7279\u306b\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>array_push()<\/code>\u306e\u52b9\u7387\u7684\u306a\u4f7f\u7528\u6cd5\u3092\u77e5\u308b\u3053\u3068\u3067\u3001\u51e6\u7406\u901f\u5ea6\u3068\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u5927\u5e45\u306b\u6539\u5584\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>array_push()<\/code>\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u5927\u898f\u6a21\u914d\u5217\u64cd\u4f5c\u6642\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u5927\u898f\u6a21\u306a\u914d\u5217\u3092\u6271\u3046\u969b\u306b\u306f\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u6700\u9069\u5316\u304c\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002PHP\u306f\u52d5\u7684\u306b\u30e1\u30e2\u30ea\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u304c\u3001\u4e0d\u9069\u5207\u306a\u914d\u5217\u64cd\u4f5c\u3092\u884c\u3046\u3068\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u6025\u5897\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-26\">\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u524a\u6e1b\u306e\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u306e\u4e8b\u524d\u5272\u308a\u5f53\u3066<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u60aa\u3044\u4f8b\uff1a\u52d5\u7684\u306b\u62e1\u5f35\u3059\u308b\u914d\u5217\n$data = [];\nfor ($i = 0; $i &lt; 10000; $i++) {\n    array_push($data, $i); \/\/ \u914d\u5217\u304c\u62e1\u5f35\u3055\u308c\u308b\u305f\u3073\u306b\u30e1\u30e2\u30ea\u518d\u5272\u308a\u5f53\u3066\u304c\u767a\u751f\n}\n\n\/\/ \u826f\u3044\u4f8b\uff1aSplFixedArray\u3092\u4f7f\u7528\u3057\u305f\u56fa\u5b9a\u30b5\u30a4\u30ba\u914d\u5217\n$size = 10000;\n$data = new SplFixedArray($size);\nfor ($i = 0; $i &lt; $size; $i++) {\n    $data[$i] = $i; \/\/ \u30e1\u30e2\u30ea\u518d\u5272\u308a\u5f53\u3066\u306a\u3057\n}\n?&gt;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53c2\u7167\u6e21\u3057\u306e\u6d3b\u7528<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u5927\u898f\u6a21\u914d\u5217\u51e6\u7406\nfunction processLargeArray(&amp;$array) {\n    \/\/ \u53c2\u7167\u6e21\u3057\u306b\u3088\u308a\u914d\u5217\u306e\u30b3\u30d4\u30fc\u3092\u4f5c\u3089\u306a\u3044\n    for ($i = 0; $i &lt; count($array); $i++) {\n        $array[$i] = $array[$i] * 2; \/\/ \u8981\u7d20\u3092\u5909\u66f4\n    }\n}\n$largeData = range(1, 100000);\nprocessLargeArray($largeData); \/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u826f\u304f\u51e6\u7406\n?&gt;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u306e\u6d3b\u7528<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30e1\u30e2\u30ea\u3092\u5927\u91cf\u306b\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\nfunction getAllDataAsArray() {\n    $data = [];\n    \/\/ 100\u4e07\u4ef6\u306e\u30c7\u30fc\u30bf\u3092\u4e00\u5ea6\u306b\u30e1\u30e2\u30ea\u306b\u8aad\u307f\u8fbc\u3080\n    for ($i = 0; $i &lt; 1000000; $i++) {\n        array_push($data, \"\u30c7\u30fc\u30bf\" . $i);\n    }\n    return $data;\n}\n\n\/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u65b9\u6cd5\nfunction getAllDataAsGenerator() {\n    \/\/ \u30c7\u30fc\u30bf\u3092\u4e00\u4ef6\u305a\u3064\u751f\u6210\u3059\u308b\n    for ($i = 0; $i &lt; 1000000; $i++) {\n        yield \"\u30c7\u30fc\u30bf\" . $i;\n    }\n}\n\n\/\/ \u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u51e6\u7406\nforeach (getAllDataAsGenerator() as $item) {\n    \/\/ \u4e00\u4ef6\u305a\u3064\u51e6\u7406\u3059\u308b\u305f\u3081\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u5c11\u306a\u3044\n    echo $item . \"\\n\";\n}\n?&gt;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">array_push\u3068\u305d\u306e\u4ed6\u306e\u914d\u5217\u95a2\u6570\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308b\u51e6\u7406\u901f\u5ea6\u306e\u5411\u4e0a<\/h3>\n\n\n\n<p>\u914d\u5217\u64cd\u4f5c\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u5316\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u95a2\u6570\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-28\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u95a2\u6570\u306e\u7d44\u307f\u5408\u308f\u305b<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>array_push\u3068array_filter\u306e\u52b9\u7387\u7684\u306a\u7d44\u307f\u5408\u308f\u305b<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u975e\u52b9\u7387\u7684\u306a\u65b9\u6cd5\n$data = range(1, 10000);\n$filtered = [];\nforeach ($data as $value) {\n    if ($value % 2 == 0) {\n        \/\/ \u5076\u6570\u306e\u307f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\n        array_push($filtered, $value); \/\/ \u6bce\u56de\u95a2\u6570\u547c\u3073\u51fa\u3057\n    }\n}\n\n\/\/ \u52b9\u7387\u7684\u306a\u65b9\u6cd5\n$data = range(1, 10000);\n$filtered = array_filter($data, function($value) {\n    return $value % 2 == 0; \/\/ \u5076\u6570\u306e\u307f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\n});\n?&gt;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>array_push\u3068array_map\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u975e\u52b9\u7387\u7684\u306a\u65b9\u6cd5\uff1a\u30eb\u30fc\u30d7\u5185\u3067\narray_push $numbers = range(1, 10000);\n$squared = [];\nforeach ($numbers as $num) {\n    array_push($squared, $num * $num);\n}\n\n\/\/ \u52b9\u7387\u7684\u306a\u65b9\u6cd5\uff1aarray_map\u3092\u4f7f\u7528\n$numbers = range(1, 10000);\n$squared = array_map(function($num) {\n    return $num * $num;\n},\n$numbers);\n?&gt;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>array_push\u3068array_reduce\u306e\u4f75\u7528<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n$transactions = [\n    ['id' =&gt; 1, 'amount' =&gt; 100],\n    ['id' =&gt; 2, 'amount' =&gt; 200],\n    ['id' =&gt; 3, 'amount' =&gt; 300]\n];\n\/\/ array_reduce\u3092\u4f7f\u3063\u3066\u5408\u8a08\u91d1\u984d\u3068\u53d6\u5f15ID\u30ea\u30b9\u30c8\u3092\u540c\u6642\u306b\u8a08\u7b97\n$result = array_reduce($transactions, function($carry, $item) {\n    $carry['total'] += $item['amount'];\n    array_push($carry['ids'], $item['id']);\n    return $carry;\n}, ['total' =&gt; 0, 'ids' =&gt; []]);\nprint_r($result);\n\/\/ \u51fa\u529b: Array ( [total] =&gt; 600 [ids] =&gt; Array ( [0] =&gt; 1 [1] =&gt; 2 [2] =&gt; 3 ) )\n?&gt;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-29\">\u5b9f\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u7d50\u679c\u3068\u5206\u6790<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306e<code>array_push()<\/code>\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6e2c\u5b9a\u30fb\u5206\u6790\u3059\u308b\u3053\u3068\u3067\u3001\u6700\u9069\u306a\u4f7f\u3044\u65b9\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u914d\u5217\u64cd\u4f5c\u65b9\u6cd5\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-30\">\u8981\u7d20\u8ffd\u52a0\u30e1\u30bd\u30c3\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03<\/h4>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306f\u3001\u69d8\u3005\u306a\u65b9\u6cd5\u3067100\u4e07\u4ef6\u306e\u8981\u7d20\u3092\u914d\u5217\u306b\u8ffd\u52a0\u3057\u305f\u5834\u5408\u306e\u5b9f\u884c\u6642\u9593\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u7528\u306e\u95a2\u6570\nfunction benchmarkArrayAddition($iterations = 1000000) {\n    $methods = [\n        'array_push()' =&gt; function() use ($iterations) {\n            $arr = [];\n            $start = microtime(true);\n            for ($i = 0; $i &lt; $iterations; $i++) {\n                array_push($arr, $i);\n            }\n            return microtime(true) - $start;\n        },\n        '\u62ec\u5f27\u6f14\u7b97\u5b50[]' =&gt; function() use ($iterations) {\n            $arr = [];\n            $start = microtime(true);\n            for ($i = 0; $i &lt; $iterations; $i++) {\n                $arr[] = $i;\n            }\n            return microtime(true) - $start;\n        },\n        'array_push()\u8907\u6570\u8981\u7d20' =&gt; function() use ($iterations) {\n            $arr = [];\n            $batchSize = 1000;\n            $start = microtime(true);\n            for ($j = 0; $j &lt; $iterations \/ $batchSize; $j++) {\n                $batch = range($j * $batchSize, ($j + 1) * $batchSize - 1);\n                array_push($arr, ...$batch);\n            }\n            return microtime(true) - $start;\n        },\n        'array_merge()' =&gt; function() use ($iterations) {\n            $arr = [];\n            $batchSize = 1000;\n            $start = microtime(true);\n            for ($j = 0; $j &lt; $iterations \/ $batchSize; $j++) {\n                $batch = range($j * $batchSize, ($j + 1) * $batchSize - 1);\n                $arr = array_merge($arr, $batch);\n            }\n            return microtime(true) - $start;\n        }\n    ];\n    \n    $results = [];\n    foreach ($methods as $name =&gt; $method) {\n        $results[$name] = $method();\n        echo $name . \": \" . $results[$name] . \"\u79d2\\n\";\n    }\n    \n    \/\/ \u6700\u901f\u306e\u65b9\u6cd5\u3092\u57fa\u6e96\u3068\u3057\u305f\u76f8\u5bfe\u901f\u5ea6\u3092\u8a08\u7b97\n    $fastest = min($results);\n    foreach ($results as $name =&gt; $time) {\n        $ratio = $time \/ $fastest;\n        echo $name . \" \u306f\u6700\u901f\u306e\u65b9\u6cd5\u306e \" . number_format($ratio, 2) . \" \u500d\u306e\u6642\u9593\\n\";\n    }\n}\n\n\/\/ \u30d9\u30f3\u30c1\u30de\u30fc\u30af\u5b9f\u884c\uff08\u5c11\u306a\u3044\u56de\u6570\u3067\u8a66\u3059\u5834\u5408\uff09\nbenchmarkArrayAddition(100000);  \/\/ 10\u4e07\u56de\u306e\u8ffd\u52a0\u3067\u30c6\u30b9\u30c8\n\n\/*\n\u4e00\u822c\u7684\u306a\u51fa\u529b\u4f8b\uff1a\narray_push(): 0.089\u79d2\n\u62ec\u5f27\u6f14\u7b97\u5b50[]: 0.054\u79d2\narray_push()\u8907\u6570\u8981\u7d20: 0.042\u79d2\narray_merge(): 0.067\u79d2\n\u62ec\u5f27\u6f14\u7b97\u5b50[] \u306f\u6700\u901f\u306e\u65b9\u6cd5\u306e 1.29 \u500d\u306e\u6642\u9593\narray_push() \u306f\u6700\u901f\u306e\u65b9\u6cd5\u306e 2.12 \u500d\u306e\u6642\u9593\narray_push()\u8907\u6570\u8981\u7d20 \u306f\u6700\u901f\u306e\u65b9\u6cd5\u306e 1.00 \u500d\u306e\u6642\u9593\narray_merge() \u306f\u6700\u901f\u306e\u65b9\u6cd5\u306e 1.60 \u500d\u306e\u6642\u9593\n*\/\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-31\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5206\u6790\u7d50\u679c\u306e\u8003\u5bdf<\/h4>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u7d50\u679c\u304b\u3089\u3001\u4ee5\u4e0b\u306e\u7d50\u8ad6\u304c\u5c0e\u304b\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5358\u4e00\u8981\u7d20\u8ffd\u52a0\u306e\u5834\u5408<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u304c<code>array_push()<\/code>\u3088\u308a\u7d041.5\u301c2\u500d\u9ad8\u901f<\/li>\n\n\n\n<li>\u30eb\u30fc\u30d7\u5185\u3067\u8981\u7d20\u3092\u4e00\u3064\u305a\u3064\u8ffd\u52a0\u3059\u308b\u5834\u5408\u306f\u3001\u5e38\u306b<code>$array[] = $value<\/code>\u3092\u4f7f\u7528\u3059\u3079\u304d<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8907\u6570\u8981\u7d20\u8ffd\u52a0\u306e\u5834\u5408<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f<code>array_push($array, ...$batch)<\/code>\u304c\u6700\u3082\u52b9\u7387\u7684<\/li>\n\n\n\n<li>\u7279\u306b\u5927\u91cf\u306e\u30d0\u30c3\u30c1\u51e6\u7406\u3067\u306f\u3001\u3053\u306e\u65b9\u6cd5\u304c\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>array_merge()\u306e\u8003\u616e\u70b9<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u5c0f\u301c\u4e2d\u898f\u6a21\u306e\u914d\u5217\u3067\u306f\u52b9\u7387\u7684\u3060\u304c\u3001\u5927\u898f\u6a21\u306a\u914d\u5217\u306e\u5834\u5408\u306f\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u5897\u52a0<\/li>\n\n\n\n<li>\u914d\u5217\u306e\u30ad\u30fc\u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u6709\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3068CPU\u6642\u9593\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u52b9\u7387\u3068\u51e6\u7406\u901f\u5ea6\u306f\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306e\u95a2\u4fc2\u306b\u3042\u308b\u3053\u3068\u304c\u591a\u3044<\/li>\n\n\n\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u6027\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u65b9\u6cd5\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-32\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u5b9f\u8df5\u7684\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3067\u306e<code>array_push()<\/code>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u307e\u3068\u3081\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30eb\u30fc\u30d7\u5185\u3067\u306e\u5358\u4e00\u8981\u7d20\u8ffd\u52a0<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u63a8\u5968\u3055\u308c\u308b\u65b9\u6cd5\nforeach ($sourceData as $item) {\n    $targetArray[] = processItem($item); \/\/ \u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\n}<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u6d3b\u7528<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5927\u91cf\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u52b9\u7387\u5316\n$batchSize = 1000;\n$currentBatch = [];\nforeach ($sourceData as $item) {\n    $currentBatch[] = processItem($item);\n    if (count($currentBatch) &gt;= $batchSize) {\n        \/\/ \u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u306b\u9054\u3057\u305f\u3089\u307e\u3068\u3081\u3066\u51e6\u7406\n        array_push($resultArray, ...$currentBatch);\n        $currentBatch = [];\n    }\n}\n\n\/\/ \u6b8b\u308a\u306e\u30d0\u30c3\u30c1\u3092\u51e6\u7406\nif (!empty($currentBatch)) {\n    array_push($resultArray, ...$currentBatch);\n}<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u7ba1\u7406\u306e\u6ce8\u610f\u70b9<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5927\u304d\u306a\u914d\u5217\u3092\u6271\u3046\u5834\u5408\u3001\u4e0d\u8981\u306b\u306a\u3063\u305f\u3089\u30e1\u30e2\u30ea\u3092\u89e3\u653e\n$largeArray = processHugeDataSet();\n\n\/\/ \u51e6\u7406\u5b8c\u4e86\u5f8c\nunset($largeArray); \/\/ \u30e1\u30e2\u30ea\u89e3\u653e<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u64cd\u4f5c\u306e\u6700\u9069\u306a\u7d44\u307f\u5408\u308f\u305b<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u52b9\u7387\u7684\u306a\u30c1\u30a7\u30fc\u30f3\u51e6\u7406\n$result = array_filter($data, 'filterFunction');\n$result = array_map('transformFunction', $result);\n\n\/\/ \u6700\u7d42\u7d50\u679c\u3092\u8ffd\u52a0\narray_push($finalCollection, ...$result);<\/pre>\n\n\n\n<p>\u9069\u5207\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u3092\u884c\u3046\u3053\u3068\u3067\u3001<code>array_push()<\/code>\u3092\u542b\u3080PHP\u306e\u914d\u5217\u64cd\u4f5c\u306f\u9ad8\u901f\u304b\u3064\u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u52d9\u3067\u4f7f\u3048\u308b\u5177\u4f53\u7684\u306a<code>array_push()<\/code>\u306e\u5b9f\u7528\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-33\">\u5b9f\u52d9\u3067\u4f7f\u3048\u308b\uff01array_push\u306e7\u3064\u306e\u5b9f\u7528\u4f8b<\/h2>\n\n\n\n<p><code>array_push()<\/code>\u306f\u57fa\u672c\u7684\u306a\u914d\u5217\u95a2\u6570\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3055\u307e\u3056\u307e\u306a\u5275\u9020\u7684\u306a\u65b9\u6cd5\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u52d9\u3067\u5f79\u7acb\u30647\u3064\u306e\u5177\u4f53\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4f8b\u3092\u53c2\u8003\u306b\u3057\u3066\u3001\u3042\u306a\u305f\u81ea\u8eab\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3082<code>array_push()<\/code>\u3092\u3088\u308a\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-34\">\u4f8b1\uff1a\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u306e\u30c7\u30fc\u30bf\u53ce\u96c6\u3068\u51e6\u7406<\/h3>\n\n\n\n<p>\u30a6\u30a7\u30d6\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u3001\u691c\u8a3c\u3059\u308b\u51e6\u7406\u306f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3067\u3088\u304f\u884c\u308f\u308c\u308b\u4f5c\u696d\u3067\u3059\u3002<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u51e6\u7406\u306e\u4f8b\nfunction processFormSubmission() {\n    \/\/ \u521d\u671f\u5316\n    $validatedData = [];\n    $errors = [];\n    \n    \/\/ \u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u691c\u8a3c\n    $requiredFields = ['name', 'email', 'phone'];\n    \n    foreach ($requiredFields as $field) {\n        if (empty($_POST[$field])) {\n            \/\/ \u30a8\u30e9\u30fc\u914d\u5217\u306b\u8ffd\u52a0\n            array_push($errors, \"{$field}\u306f\u5fc5\u9808\u9805\u76ee\u3067\u3059\");\n        } else {\n            \/\/ \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u6e08\u307f\u30c7\u30fc\u30bf\u306b\u8ffd\u52a0\n            $validatedData[$field] = htmlspecialchars($_POST[$field]);\n        }\n    }\n    \n    \/\/ \u30aa\u30d7\u30b7\u30e7\u30f3\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u51e6\u7406\uff08\u5b58\u5728\u3059\u308b\u5834\u5408\u306e\u307f\uff09\n    $optionalFields = ['company', 'message', 'preferences'];\n    \n    foreach ($optionalFields as $field) {\n        if (isset($_POST[$field])) {\n            $validatedData[$field] = htmlspecialchars($_POST[$field]);\n        }\n    }\n    \n    \/\/ \u8907\u6570\u9078\u629e\u30d5\u30a3\u30fc\u30eb\u30c9\uff08\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\uff09\u306e\u51e6\u7406\n    if (isset($_POST['interests']) &amp;&amp; is_array($_POST['interests'])) {\n        $validatedData['interests'] = [];\n        foreach ($_POST['interests'] as $interest) {\n            \/\/ \u5b89\u5168\u306a\u5024\u306e\u307f\u3092\u8ffd\u52a0\n            if (in_array($interest, ['technology', 'design', 'marketing', 'business'])) {\n                array_push($validatedData['interests'], $interest);\n            }\n        }\n    }\n    \n    return ['data' =&gt; $validatedData, 'errors' =&gt; $errors];\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$result = processFormSubmission();\nif (empty($result['errors'])) {\n    \/\/ \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u6210\u529f\u3001\u30c7\u30fc\u30bf\u3092\u51e6\u7406\n    saveToDatabase($result['data']);\n} else {\n    \/\/ \u30a8\u30e9\u30fc\u3092\u8868\u793a\n    foreach ($result['errors'] as $error) {\n        echo \"&lt;p class='error'&gt;{$error}&lt;\/p&gt;\";\n    }\n}\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53ce\u96c6\u3057\u3001\u307e\u305f\u691c\u8a3c\u6e08\u307f\u306e\u8208\u5473\u30ab\u30c6\u30b4\u30ea\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u691c\u8a3c\u3068\u51e6\u7406\u304c\u6574\u7406\u3055\u308c\u305f\u65b9\u6cd5\u3067\u884c\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-35\">\u4f8b2\uff1a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u52d5\u7684\u306b\u62e1\u5f35\u3059\u308b<\/h3>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u306e\u30af\u30a8\u30ea\u7d50\u679c\u3092\u53d6\u5f97\u3057\u3001\u305d\u308c\u3092\u52d5\u7684\u306b\u62e1\u5f35\u307e\u305f\u306f\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u5f97\u3057\u305f\u57fa\u672c\u7684\u306a\u88fd\u54c1\u60c5\u5831\u3092\u62e1\u5f35\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\uff08PDO\u3092\u4f7f\u7528\uff09\n$pdo = new PDO('mysql:host=localhost;dbname=products_db', 'username', 'password');\n\n\/\/ \u57fa\u672c\u7684\u306a\u88fd\u54c1\u60c5\u5831\u3092\u53d6\u5f97\n$stmt = $pdo-&gt;query('SELECT id, name, base_price FROM products WHERE active = 1');\n$products = $stmt-&gt;fetchAll(PDO::FETCH_ASSOC);\n\n\/\/ \u5404\u88fd\u54c1\u306e\u8a73\u7d30\u60c5\u5831\u3092\u53d6\u5f97\u3057\u3066\u62e1\u5f35\nforeach ($products as &amp;$product) {\n    \/\/ \u88fd\u54c1\u753b\u50cf\u3092\u53d6\u5f97\n    $imageStmt = $pdo-&gt;prepare('SELECT image_url FROM product_images WHERE product_id = ?');\n    $imageStmt-&gt;execute([$product['id']]);\n    $images = $imageStmt-&gt;fetchAll(PDO::FETCH_COLUMN);\n    \n    \/\/ \u753b\u50cf\u914d\u5217\u3092\u88fd\u54c1\u306b\u8ffd\u52a0\n    $product['images'] = [];\n    foreach ($images as $image) {\n        array_push($product['images'], $image);\n    }\n    \n    \/\/ \u30ab\u30c6\u30b4\u30ea\u60c5\u5831\u3092\u53d6\u5f97\n    $categoryStmt = $pdo-&gt;prepare(\n        'SELECT c.name FROM categories c \n         JOIN product_categories pc ON c.id = pc.category_id \n         WHERE pc.product_id = ?'\n    );\n    $categoryStmt-&gt;execute([$product['id']]);\n    $categories = $categoryStmt-&gt;fetchAll(PDO::FETCH_COLUMN);\n    \n    \/\/ \u30ab\u30c6\u30b4\u30ea\u914d\u5217\u3092\u88fd\u54c1\u306b\u8ffd\u52a0\n    $product['categories'] = [];\n    foreach ($categories as $category) {\n        array_push($product['categories'], $category);\n    }\n    \n    \/\/ \u7a0e\u8fbc\u4fa1\u683c\u3084\u5272\u5f15\u4fa1\u683c\u306a\u3069\u306e\u8a08\u7b97\n    $product['price_with_tax'] = $product['base_price'] * 1.1;\n    $product['discounted_price'] = $product['base_price'] * 0.9;\n}\n\n\/\/ \u7d50\u679c\u3092JSON\u3068\u3057\u3066\u51fa\u529b\necho json_encode($products);\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u88fd\u54c1\u30c7\u30fc\u30bf\u3092\u52d5\u7684\u306b\u62e1\u5f35\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u5f97\u3057\u305f\u57fa\u672c\u60c5\u5831\u306b\u753b\u50cf\u3084\u30ab\u30c6\u30b4\u30ea\u306a\u3069\u306e\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u8c4a\u304b\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u69cb\u7bc9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-36\">\u4f8b3\uff1aJSON\u30c7\u30fc\u30bf\u306e\u69cb\u7bc9\u3068\u64cd\u4f5c<\/h3>\n\n\n\n<p>API\u9023\u643a\u3067\u306f\u3001\u69cb\u9020\u5316\u3055\u308c\u305fJSON\u30c7\u30fc\u30bf\u3092\u69cb\u7bc9\u3057\u3066\u9001\u4fe1\u3059\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u3001\u968e\u5c64\u7684\u306aJSON\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ API\u7528\u306eJSON\u30c7\u30fc\u30bf\u69cb\u7bc9\nfunction buildProductCatalogForAPI($categoryId) {\n    \/\/ \u30ab\u30c6\u30b4\u30ea\u60c5\u5831\u3092\u53d6\u5f97\n    $category = getCategoryDetails($categoryId);\n    \n    \/\/ JSON\u30c7\u30fc\u30bf\u306e\u57fa\u672c\u69cb\u9020\u3092\u521d\u671f\u5316\n    $apiResponse = [\n        'category' =&gt; [\n            'id' =&gt; $category['id'],\n            'name' =&gt; $category['name'],\n            'description' =&gt; $category['description']\n        ],\n        'products' =&gt; [],\n        'metadata' =&gt; [\n            'total_products' =&gt; 0,\n            'price_range' =&gt; [\n                'min' =&gt; null,\n                'max' =&gt; null\n            ],\n            'tags' =&gt; []\n        ]\n    ];\n    \n    \/\/ \u3053\u306e\u88fd\u54c1\u30ab\u30c6\u30b4\u30ea\u306e\u88fd\u54c1\u3092\u53d6\u5f97\n    $products = getProductsByCategory($categoryId);\n    \n    \/\/ \u88fd\u54c1\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3068\u8ffd\u52a0\n    foreach ($products as $product) {\n        \/\/ \u57fa\u672c\u88fd\u54c1\u30c7\u30fc\u30bf\u3092\u69cb\u7bc9\n        $productData = [\n            'id' =&gt; $product['id'],\n            'name' =&gt; $product['name'],\n            'price' =&gt; $product['price'],\n            'stock' =&gt; $product['stock'],\n            'images' =&gt; [],\n            'features' =&gt; []\n        ];\n        \n        \/\/ \u88fd\u54c1\u753b\u50cf\u3092\u8ffd\u52a0\n        $images = getProductImages($product['id']);\n        foreach ($images as $image) {\n            array_push($productData['images'], [\n                'url' =&gt; $image['url'],\n                'type' =&gt; $image['type']\n            ]);\n        }\n        \n        \/\/ \u88fd\u54c1\u6a5f\u80fd\u3092\u8ffd\u52a0\n        $features = getProductFeatures($product['id']);\n        foreach ($features as $feature) {\n            array_push($productData['features'], $feature);\n        }\n        \n        \/\/ \u88fd\u54c1\u30bf\u30b0\u306e\u51e6\u7406\n        $tags = getProductTags($product['id']);\n        foreach ($tags as $tag) {\n            if (!in_array($tag, $apiResponse['metadata']['tags'])) {\n                array_push($apiResponse['metadata']['tags'], $tag);\n            }\n        }\n        \n        \/\/ \u88fd\u54c1\u3092\u5fdc\u7b54\u306b\u8ffd\u52a0\n        array_push($apiResponse['products'], $productData);\n        \n        \/\/ \u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\n        $apiResponse['metadata']['total_products']++;\n        \n        \/\/ \u4fa1\u683c\u7bc4\u56f2\u306e\u66f4\u65b0\n        if ($apiResponse['metadata']['price_range']['min'] === null || \n            $product['price'] &lt; $apiResponse['metadata']['price_range']['min']) {\n            $apiResponse['metadata']['price_range']['min'] = $product['price'];\n        }\n        \n        if ($apiResponse['metadata']['price_range']['max'] === null || \n            $product['price'] &gt; $apiResponse['metadata']['price_range']['max']) {\n            $apiResponse['metadata']['price_range']['max'] = $product['price'];\n        }\n    }\n    \n    return json_encode($apiResponse);\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$catalogJson = buildProductCatalogForAPI(123);\nheader('Content-Type: application\/json');\necho $catalogJson;\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u8907\u96d1\u306aJSON\u69cb\u9020\u3092\u69cb\u7bc9\u3057\u3066\u3044\u307e\u3059\u3002\u968e\u5c64\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u4e2d\u3067\u3001\u88fd\u54c1\u3001\u753b\u50cf\u3001\u6a5f\u80fd\u3001\u30bf\u30b0\u306a\u3069\u3092\u305d\u308c\u305e\u308c\u306e\u914d\u5217\u306b\u8ffd\u52a0\u3057\u3066\u3044\u304f\u3053\u3068\u3067\u3001\u6574\u7406\u3055\u308c\u305f\u5f62\u3067API\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-37\">\u4f8b4\uff1a\u591a\u6b21\u5143\u914d\u5217\u306e\u4f5c\u6210\u3068\u7ba1\u7406<\/h3>\n\n\n\n<p>\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u6271\u3046\u5834\u5408\u3001\u591a\u6b21\u5143\u914d\u5217\u306f\u975e\u5e38\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u591a\u6b21\u5143\u914d\u5217\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3059\u308b\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30e6\u30fc\u30b6\u30fc\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30ed\u30b0\u3092\u591a\u6b21\u5143\u914d\u5217\u3067\u7ba1\u7406\nfunction trackUserActivities($userId, $period = 7) {\n    \/\/ \u65e5\u4ed8\u3054\u3068\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u683c\u7d0d\u3059\u308b\u914d\u5217\n    $activitiesByDate = [];\n    \n    \/\/ \u6307\u5b9a\u671f\u9593\u306e\u65e5\u4ed8\u3092\u751f\u6210\n    $dates = [];\n    for ($i = 0; $i &lt; $period; $i++) {\n        $date = date('Y-m-d', strtotime(\"-{$i} days\"));\n        array_push($dates, $date);\n    }\n    \n    \/\/ \u5404\u65e5\u4ed8\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u5f97\n    foreach ($dates as $date) {\n        $activities = getUserActivitiesByDate($userId, $date);\n        \n        \/\/ \u65e5\u4ed8\u3054\u3068\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30c7\u30fc\u30bf\u3092\u521d\u671f\u5316\n        $dayData = [\n            'date' =&gt; $date,\n            'total' =&gt; count($activities),\n            'categories' =&gt; [],\n            'details' =&gt; []\n        ];\n        \n        \/\/ \u30ab\u30c6\u30b4\u30ea\u5225\u306b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u96c6\u8a08\n        $categoryCounts = [];\n        foreach ($activities as $activity) {\n            $category = $activity['category'];\n            \n            if (!isset($categoryCounts[$category])) {\n                $categoryCounts[$category] = 0;\n            }\n            \n            $categoryCounts[$category]++;\n            \n            \/\/ \u8a73\u7d30\u60c5\u5831\u3092\u8ffd\u52a0\n            $activityDetail = [\n                'id' =&gt; $activity['id'],\n                'timestamp' =&gt; $activity['timestamp'],\n                'category' =&gt; $category,\n                'description' =&gt; $activity['description'],\n                'metadata' =&gt; $activity['metadata']\n            ];\n            \n            array_push($dayData['details'], $activityDetail);\n        }\n        \n        \/\/ \u30ab\u30c6\u30b4\u30ea\u60c5\u5831\u3092\u914d\u5217\u306b\u5909\u63db\n        foreach ($categoryCounts as $category =&gt; $count) {\n            array_push($dayData['categories'], [\n                'name' =&gt; $category,\n                'count' =&gt; $count\n            ]);\n        }\n        \n        \/\/ \u65e5\u4ed8\u30c7\u30fc\u30bf\u3092\u7d50\u679c\u914d\u5217\u306b\u8ffd\u52a0\n        array_push($activitiesByDate, $dayData);\n    }\n    \n    \/\/ \u96c6\u8a08\u30c7\u30fc\u30bf\u3082\u8ffd\u52a0\n    $summaryData = calculateActivitySummary($activitiesByDate);\n    \n    \/\/ \u6700\u7d42\u7684\u306a\u7d50\u679c\u914d\u5217\n    $result = [\n        'user_id' =&gt; $userId,\n        'period' =&gt; $period,\n        'daily_activities' =&gt; $activitiesByDate,\n        'summary' =&gt; $summaryData\n    ];\n    \n    return $result;\n}\n\n\/\/ \u96c6\u8a08\u30c7\u30fc\u30bf\u306e\u8a08\u7b97\uff08\u7c21\u7565\u5316\uff09\nfunction calculateActivitySummary($activitiesByDate) {\n    $totalActivities = 0;\n    $categoryTotals = [];\n    \n    foreach ($activitiesByDate as $dayData) {\n        $totalActivities += $dayData['total'];\n        \n        foreach ($dayData['categories'] as $category) {\n            $catName = $category['name'];\n            if (!isset($categoryTotals[$catName])) {\n                $categoryTotals[$catName] = 0;\n            }\n            $categoryTotals[$catName] += $category['count'];\n        }\n    }\n    \n    \/\/ \u30ab\u30c6\u30b4\u30ea\u5408\u8a08\u3092\u914d\u5217\u5f62\u5f0f\u306b\u5909\u63db\n    $categorySummary = [];\n    foreach ($categoryTotals as $category =&gt; $count) {\n        array_push($categorySummary, [\n            'name' =&gt; $category,\n            'count' =&gt; $count,\n            'percentage' =&gt; ($count \/ $totalActivities) * 100\n        ]);\n    }\n    \n    return [\n        'total_activities' =&gt; $totalActivities,\n        'categories' =&gt; $categorySummary,\n        'average_per_day' =&gt; $totalActivities \/ count($activitiesByDate)\n    ];\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$userActivityData = trackUserActivities(1001, 7);\necho json_encode($userActivityData, JSON_PRETTY_PRINT);\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u591a\u6b21\u5143\u306e\u914d\u5217\u69cb\u9020\u3092\u69cb\u7bc9\u3057\u3066\u3044\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u30c7\u30fc\u30bf\u3092\u65e5\u4ed8\u3054\u3068\u306b\u6574\u7406\u3057\u3001\u3055\u3089\u306b\u30ab\u30c6\u30b4\u30ea\u5225\u306e\u96c6\u8a08\u3082\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u69cb\u7bc9\u3068\u7ba1\u7406\u306b\u304a\u3044\u3066\u3001<code>array_push()<\/code>\u306f\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-38\">\u4f8b5\uff1aCSV\u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u306e\u305f\u3081\u306e\u914d\u5217\u64cd\u4f5c<\/h3>\n\n\n\n<p>\u30c7\u30fc\u30bf\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u3084\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3067\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406\u304c\u3088\u304f\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066CSV\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ CSV\u30d5\u30a1\u30a4\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u51e6\u7406\u3059\u308b\nfunction importAndProcessCSV($filename, $skipHeader = true) {\n    \/\/ \u7d50\u679c\u3092\u683c\u7d0d\u3059\u308b\u914d\u5217\n    $processedData = [];\n    $errors = [];\n    $stats = [\n        'total_rows' =&gt; 0,\n        'processed_rows' =&gt; 0,\n        'error_rows' =&gt; 0\n    ];\n    \n    \/\/ CSV\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\n    if (($handle = fopen($filename, \"r\")) !== FALSE) {\n        \/\/ \u884c\u756a\u53f7\u306e\u8ffd\u8de1\n        $rowNumber = 0;\n        \n        \/\/ CSV\u30d5\u30a1\u30a4\u30eb\u30921\u884c\u305a\u3064\u8aad\u307f\u8fbc\u3080\n        while (($data = fgetcsv($handle, 1000, \",\")) !== FALSE) {\n            $rowNumber++;\n            $stats['total_rows']++;\n            \n            \/\/ \u30d8\u30c3\u30c0\u30fc\u884c\u3092\u30b9\u30ad\u30c3\u30d7\n            if ($skipHeader &amp;&amp; $rowNumber === 1) {\n                continue;\n            }\n            \n            \/\/ \u884c\u30c7\u30fc\u30bf\u306e\u691c\u8a3c\n            if (count($data) &lt; 3) {\n                array_push($errors, \"\u884c {$rowNumber}: \u4e0d\u5341\u5206\u306a\u30c7\u30fc\u30bf\u5217\");\n                $stats['error_rows']++;\n                continue;\n            }\n            \n            try {\n                \/\/ \u30c7\u30fc\u30bf\u306e\u51e6\u7406\uff08\u4f8b\uff1a\u88fd\u54c1\u30c7\u30fc\u30bf\u306e\u5834\u5408\uff09\n                $processedRow = [\n                    'id' =&gt; trim($data[0]),\n                    'name' =&gt; trim($data[1]),\n                    'price' =&gt; (float)str_replace(['\u00a5', ','], '', trim($data[2])),\n                    'stock' =&gt; isset($data[3]) ? (int)trim($data[3]) : 0,\n                    'categories' =&gt; []\n                ];\n                \n                \/\/ \u30ab\u30c6\u30b4\u30ea\u30c7\u30fc\u30bf\u306e\u51e6\u7406\uff08\u30ab\u30f3\u30de\u533a\u5207\u308a\u306e\u30ab\u30c6\u30b4\u30ea\u30ea\u30b9\u30c8\uff09\n                if (isset($data[4]) &amp;&amp; !empty($data[4])) {\n                    $categories = explode(';', trim($data[4]));\n                    foreach ($categories as $category) {\n                        if (!empty($category)) {\n                            array_push($processedRow['categories'], trim($category));\n                        }\n                    }\n                }\n                \n                \/\/ \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8ffd\u52a0\u30c7\u30fc\u30bf\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u51e6\u7406\n                if (isset($data[5]) &amp;&amp; !empty($data[5])) {\n                    $processedRow['description'] = trim($data[5]);\n                }\n                \n                if (isset($data[6]) &amp;&amp; !empty($data[6])) {\n                    $processedRow['manufacturer'] = trim($data[6]);\n                }\n                \n                \/\/ \u51e6\u7406\u6e08\u307f\u30c7\u30fc\u30bf\u306b\u884c\u3092\u8ffd\u52a0\n                array_push($processedData, $processedRow);\n                $stats['processed_rows']++;\n                \n            } catch (Exception $e) {\n                \/\/ \u30a8\u30e9\u30fc\u51e6\u7406\n                array_push($errors, \"\u884c {$rowNumber}: \u51e6\u7406\u30a8\u30e9\u30fc - \" . $e-&gt;getMessage());\n                $stats['error_rows']++;\n            }\n        }\n        \n        fclose($handle);\n    } else {\n        throw new Exception(\"CSV\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3051\u307e\u305b\u3093\u3067\u3057\u305f: {$filename}\");\n    }\n    \n    return [\n        'data' =&gt; $processedData,\n        'errors' =&gt; $errors,\n        'stats' =&gt; $stats\n    ];\n}\n\n\/\/ \u51e6\u7406\u6e08\u307f\u30c7\u30fc\u30bf\u3092CSV\u3068\u3057\u3066\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\nfunction exportProcessedDataToCSV($data, $outputFilename) {\n    $outputHandle = fopen($outputFilename, 'w');\n    \n    \/\/ \u30d8\u30c3\u30c0\u30fc\u884c\u3092\u66f8\u304d\u8fbc\u3080\n    fputcsv($outputHandle, ['ID', '\u88fd\u54c1\u540d', '\u4fa1\u683c', '\u5728\u5eab\u6570', '\u30ab\u30c6\u30b4\u30ea', '\u8aac\u660e', '\u30e1\u30fc\u30ab\u30fc']);\n    \n    \/\/ \u30c7\u30fc\u30bf\u884c\u3092\u66f8\u304d\u8fbc\u3080\n    foreach ($data as $row) {\n        $csvRow = [\n            $row['id'],\n            $row['name'],\n            $row['price'],\n            $row['stock'],\n            implode(';', $row['categories']),\n            $row['description'] ?? '',\n            $row['manufacturer'] ?? ''\n        ];\n        \n        fputcsv($outputHandle, $csvRow);\n    }\n    \n    fclose($outputHandle);\n    return true;\n}\n\n\/\/ \u4f7f\u7528\u4f8b\ntry {\n    $result = importAndProcessCSV('products_import.csv');\n    \n    echo \"\u51e6\u7406\u7d71\u8a08: \\n\";\n    echo \"\u7dcf\u884c\u6570: \" . $result['stats']['total_rows'] . \"\\n\";\n    echo \"\u51e6\u7406\u6210\u529f: \" . $result['stats']['processed_rows'] . \"\\n\";\n    echo \"\u30a8\u30e9\u30fc: \" . $result['stats']['error_rows'] . \"\\n\";\n    \n    if (!empty($result['errors'])) {\n        echo \"\u30a8\u30e9\u30fc\u4e00\u89a7:\\n\";\n        foreach ($result['errors'] as $error) {\n            echo \"- {$error}\\n\";\n        }\n    }\n    \n    \/\/ \u51e6\u7406\u6e08\u307f\u30c7\u30fc\u30bf\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\n    exportProcessedDataToCSV($result['data'], 'products_processed.csv');\n    echo \"\u51e6\u7406\u6e08\u307f\u30c7\u30fc\u30bf\u3092 'products_processed.csv' \u306b\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u307e\u3057\u305f\u3002\\n\";\n    \n} catch (Exception $e) {\n    echo \"\u30a8\u30e9\u30fc: \" . $e-&gt;getMessage();\n}\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3057\u3001\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u914d\u5217\u3092\u69cb\u7bc9\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30a8\u30e9\u30fc\u60c5\u5831\u3082\u5225\u306e\u914d\u5217\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u51e6\u7406\u306e\u9032\u884c\u72b6\u6cc1\u3092\u8ffd\u8de1\u3057\u3084\u3059\u304f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-39\">\u4f8b6\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<code>array_push()<\/code>\u3092\u4f7f\u3063\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nclass SimpleCache {\n    private $cacheData = [];\n    private $cacheKeys = [];\n    private $maxItems;\n    private $expiration;\n    \n    public function __construct($maxItems = 100, $expiration = 3600) {\n        $this-&gt;maxItems = $maxItems;\n        $this-&gt;expiration = $expiration;\n    }\n    \n    public function set($key, $value) {\n        $timestamp = time();\n        \n        \/\/ \u30ad\u30fc\u304c\u65e2\u306b\u5b58\u5728\u3059\u308b\u304b\u78ba\u8a8d\n        if (isset($this-&gt;cacheData[$key])) {\n            \/\/ \u65e2\u5b58\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u66f4\u65b0\n            $this-&gt;cacheData[$key] = [\n                'value' =&gt; $value,\n                'timestamp' =&gt; $timestamp,\n                'expires' =&gt; $timestamp + $this-&gt;expiration\n            ];\n            \n            return true;\n        }\n        \n        \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6700\u5927\u5bb9\u91cf\u306b\u9054\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\n        if (count($this-&gt;cacheKeys) &gt;= $this-&gt;maxItems) {\n            \/\/ \u6700\u3082\u53e4\u3044\u30a2\u30a4\u30c6\u30e0\u3092\u524a\u9664\n            $oldestKey = array_shift($this-&gt;cacheKeys);\n            unset($this-&gt;cacheData[$oldestKey]);\n        }\n        \n        \/\/ \u65b0\u3057\u3044\u30ad\u30e3\u30c3\u30b7\u30e5\u30a8\u30f3\u30c8\u30ea\u3092\u8ffd\u52a0\n        $this-&gt;cacheData[$key] = [\n            'value' =&gt; $value,\n            'timestamp' =&gt; $timestamp,\n            'expires' =&gt; $timestamp + $this-&gt;expiration\n        ];\n        \n        \/\/ \u30ad\u30fc\u30ea\u30b9\u30c8\u306b\u65b0\u3057\u3044\u30ad\u30fc\u3092\u8ffd\u52a0\n        array_push($this-&gt;cacheKeys, $key);\n        \n        return true;\n    }\n    \n    public function get($key) {\n        \/\/ \u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u304b\u78ba\u8a8d\n        if (!isset($this-&gt;cacheData[$key])) {\n            return null;\n        }\n        \n        $item = $this-&gt;cacheData[$key];\n        $now = time();\n        \n        \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6709\u52b9\u671f\u9650\u5207\u308c\u304b\u3069\u3046\u304b\u78ba\u8a8d\n        if ($item['expires'] &lt; $now) {\n            \/\/ \u671f\u9650\u5207\u308c\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u524a\u9664\n            unset($this-&gt;cacheData[$key]);\n            $keyIndex = array_search($key, $this-&gt;cacheKeys);\n            if ($keyIndex !== false) {\n                array_splice($this-&gt;cacheKeys, $keyIndex, 1);\n            }\n            return null;\n        }\n        \n        \/\/ \u6709\u52b9\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u5024\u3092\u8fd4\u3059\n        return $item['value'];\n    }\n    \n    public function delete($key) {\n        if (isset($this-&gt;cacheData[$key])) {\n            unset($this-&gt;cacheData[$key]);\n            $keyIndex = array_search($key, $this-&gt;cacheKeys);\n            if ($keyIndex !== false) {\n                array_splice($this-&gt;cacheKeys, $keyIndex, 1);\n            }\n            return true;\n        }\n        return false;\n    }\n    \n    public function clear() {\n        $this-&gt;cacheData = [];\n        $this-&gt;cacheKeys = [];\n        return true;\n    }\n    \n    public function getStats() {\n        $stats = [\n            'total_items' =&gt; count($this-&gt;cacheKeys),\n            'max_items' =&gt; $this-&gt;maxItems,\n            'expiration' =&gt; $this-&gt;expiration,\n            'memory_usage' =&gt; memory_get_usage()\n        ];\n        return $stats;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$cache = new SimpleCache(10, 60); \/\/ \u6700\u592710\u30a2\u30a4\u30c6\u30e0\u300160\u79d2\u6709\u52b9\n\n\/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\n$cache-&gt;set('user_123', ['id' =&gt; 123, 'name' =&gt; '\u5c71\u7530\u592a\u90ce', 'email' =&gt; 'yamada@example.com']);\n$cache-&gt;set('product_456', ['id' =&gt; 456, 'name' =&gt; '\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3', 'price' =&gt; 60000]);\n\n\/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\n$userData = $cache-&gt;get('user_123');\nif ($userData) {\n    echo \"\u30e6\u30fc\u30b6\u30fc\u540d: \" . $userData['name'] . \"\\n\";\n} else {\n    echo \"\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3042\u308a\u307e\u305b\u3093\u3002\\n\";\n}\n\n\/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u7d71\u8a08\u3092\u8868\u793a\n$stats = $cache-&gt;getStats();\necho \"\u30ad\u30e3\u30c3\u30b7\u30e5\u7d71\u8a08: \" . json_encode($stats) . \"\\n\";\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u30ad\u30fc\u306e\u30ea\u30b9\u30c8\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u5927\u30a2\u30a4\u30c6\u30e0\u6570\u3092\u8d85\u3048\u305f\u5834\u5408\u306b\u6700\u3082\u53e4\u3044\u30a2\u30a4\u30c6\u30e0\u3092\u524a\u9664\u3059\u308b\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3066\u304a\u308a\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u304c\u3089\u3082\u5b9f\u7528\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u30b7\u30b9\u30c6\u30e0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-40\">\u4f8b7\uff1a\u30ed\u30b0\u53ce\u96c6\u3068\u5206\u6790\u30b7\u30b9\u30c6\u30e0<\/h3>\n\n\n\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3084\u52d5\u4f5c\u3092\u76e3\u8996\u3059\u308b\u305f\u3081\u306b\u3001\u30ed\u30b0\u3092\u53ce\u96c6\u30fb\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u30ed\u30b0\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3059\u308b\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nclass Logger {\n    private $logs = [];\n    private $config = [\n        'max_logs' =&gt; 1000,\n        'log_file' =&gt; 'application.log',\n        'log_levels' =&gt; ['INFO', 'WARNING', 'ERROR', 'CRITICAL']\n    ];\n    \n    public function __construct($config = []) {\n        $this-&gt;config = array_merge($this-&gt;config, $config);\n    }\n    \n    public function log($level, $message, $context = []) {\n        \/\/ \u30ec\u30d9\u30eb\u3092\u691c\u8a3c\n        $level = strtoupper($level);\n        if (!in_array($level, $this-&gt;config['log_levels'])) {\n            throw new InvalidArgumentException(\"\u7121\u52b9\u306a\u30ed\u30b0\u30ec\u30d9\u30eb: {$level}\");\n        }\n        \n        \/\/ \u30ed\u30b0\u30a8\u30f3\u30c8\u30ea\u3092\u4f5c\u6210\n        $logEntry = [\n            'timestamp' =&gt; microtime(true),\n            'datetime' =&gt; date('Y-m-d H:i:s'),\n            'level' =&gt; $level,\n            'message' =&gt; $message,\n            'context' =&gt; $context\n        ];\n        \n        \/\/ \u30e1\u30e2\u30ea\u5185\u30ed\u30b0\u306b\u8ffd\u52a0\n        array_push($this-&gt;logs, $logEntry);\n        \n        \/\/ \u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u307f\n        $this-&gt;writeToFile($logEntry);\n        \n        \/\/ \u6700\u5927\u30ed\u30b0\u6570\u3092\u8d85\u3048\u305f\u5834\u5408\u3001\u53e4\u3044\u30ed\u30b0\u3092\u524a\u9664\n        if (count($this-&gt;logs) &gt; $this-&gt;config['max_logs']) {\n            array_shift($this-&gt;logs);\n        }\n        \n        return true;\n    }\n    \n    public function info($message, $context = []) {\n        return $this-&gt;log('INFO', $message, $context);\n    }\n    \n    public function warning($message, $context = []) {\n        return $this-&gt;log('WARNING', $message, $context);\n    }\n    \n    public function error($message, $context = []) {\n        return $this-&gt;log('ERROR', $message, $context);\n    }\n    \n    public function critical($message, $context = []) {\n        return $this-&gt;log('CRITICAL', $message, $context);\n    }\n    \n    private function writeToFile($logEntry) {\n        $formattedLog = sprintf(\n            \"[%s] %s: %s %s\\n\",\n            $logEntry['datetime'],\n            $logEntry['level'],\n            $logEntry['message'],\n            !empty($logEntry['context']) ? json_encode($logEntry['context']) : ''\n        );\n        \n        file_put_contents(\n            $this-&gt;config['log_file'],\n            $formattedLog,\n            FILE_APPEND\n        );\n    }\n    \n    public function getLogs($level = null, $limit = null) {\n        \/\/ \u7279\u5b9a\u30ec\u30d9\u30eb\u306e\u30ed\u30b0\u3060\u3051\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\n        if ($level !== null) {\n            $level = strtoupper($level);\n            $filteredLogs = array_filter($this-&gt;logs, function($log) use ($level) {\n                return $log['level'] === $level;\n            });\n        } else {\n            $filteredLogs = $this-&gt;logs;\n        }\n        \n        \/\/ \u6700\u65b0\u306e\u30ed\u30b0\u3092\u5148\u306b\u8868\u793a\uff08\u964d\u9806\uff09\n        $sortedLogs = array_reverse($filteredLogs);\n        \n        \/\/ \u5236\u9650\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u9069\u7528\n        if ($limit !== null &amp;&amp; $limit &gt; 0) {\n            return array_slice($sortedLogs, 0, $limit);\n        }\n        \n        return $sortedLogs;\n    }\n    \n    public function analyze() {\n        $analysis = [\n            'total_logs' =&gt; count($this-&gt;logs),\n            'by_level' =&gt; [],\n            'latest' =&gt; null,\n            'earliest' =&gt; null\n        ];\n        \n        \/\/ \u30ec\u30d9\u30eb\u5225\u306e\u30ab\u30a6\u30f3\u30c8\u521d\u671f\u5316\n        foreach ($this-&gt;config['log_levels'] as $level) {\n            $analysis['by_level'][$level] = 0;\n        }\n        \n        \/\/ \u5404\u30ed\u30b0\u3092\u5206\u6790\n        foreach ($this-&gt;logs as $log) {\n            \/\/ \u30ec\u30d9\u30eb\u5225\u306b\u30ab\u30a6\u30f3\u30c8\n            $analysis['by_level'][$log['level']]++;\n            \n            \/\/ \u6700\u65b0\u3068\u6700\u53e4\u306e\u30ed\u30b0\u3092\u8ffd\u8de1\n            if ($analysis['latest'] === null || $log['timestamp'] &gt; $analysis['latest']['timestamp']) {\n                $analysis['latest'] = $log;\n            }\n            \n            if ($analysis['earliest'] === null || $log['timestamp'] &lt; $analysis['earliest']['timestamp']) {\n                $analysis['earliest'] = $log;\n            }\n        }\n        \n        return $analysis;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$logger = new Logger([\n    'log_file' =&gt; 'app_' . date('Y-m-d') . '.log'\n]);\n\n\/\/ \u5404\u7a2e\u30ec\u30d9\u30eb\u306e\u30ed\u30b0\u3092\u8a18\u9332\n$logger-&gt;info(\"\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u307e\u3057\u305f\", ['user_id' =&gt; 123]);\n$logger-&gt;warning(\"\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u304c90%\u3092\u8d85\u3048\u3066\u3044\u307e\u3059\", ['disk' =&gt; '\/var\/www', 'usage' =&gt; '92%']);\n$logger-&gt;error(\"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30a8\u30e9\u30fc\", ['error' =&gt; 'Connection refused']);\n\n\/\/ WARNING\u4ee5\u4e0a\u306e\u30ed\u30b0\u3060\u3051\u3092\u53d6\u5f97\n$warningsAndErrors = $logger-&gt;getLogs('WARNING', 10);\necho \"\u76f4\u8fd1\u306e\u8b66\u544a\u3068\u30a8\u30e9\u30fc:\\n\";\nforeach ($warningsAndErrors as $log) {\n    echo \"[{$log['datetime']}] {$log['level']}: {$log['message']}\\n\";\n}\n\n\/\/\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-41\">array_push\u3068\u95a2\u9023\u3059\u308b\u914d\u5217\u64cd\u4f5c\u95a2\u6570\u306e\u6bd4\u8f03<\/h2>\n\n\n\n<p>PHP\u306b\u306f\u3001\u914d\u5217\u3092\u64cd\u4f5c\u3059\u308b\u305f\u3081\u306e\u591a\u304f\u306e\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<code>array_push()<\/code>\u3092\u52b9\u679c\u7684\u306b\u4f7f\u3046\u305f\u3081\u306b\u306f\u3001\u305d\u306e\u95a2\u9023\u95a2\u6570\u3068\u306e\u9055\u3044\u3084\u9069\u5207\u306a\u4f7f\u3044\u5206\u3051\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<code>array_push()<\/code>\u3068\u4ed6\u306e\u4e3b\u8981\u306a\u914d\u5217\u64cd\u4f5c\u95a2\u6570\u3092\u6bd4\u8f03\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u3068\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-42\">array_pop\u3001array_shift\u3001array_unshift\u3068\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/h3>\n\n\n\n<p>\u307e\u305a\u3001\u914d\u5217\u306e\u5148\u982d\u3068\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u30fb\u524a\u9664\u3059\u308b\u57fa\u672c\u7684\u306a\u95a2\u6570\u3092\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n<div id=\"id-86e575cb-aff8-458d-9351-b3f022eaffe4\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u95a2\u6570<\/th><th>\u64cd\u4f5c<\/th><th>\u8fd4\u308a\u5024<\/th><th>\u7279\u5fb4<\/th><\/tr><\/thead><tbody><tr><td><code>array_push()<\/code><\/td><td>\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0<\/td><td>\u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u30b5\u30a4\u30ba<\/td><td>\u8907\u6570\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\u53ef\u80fd<\/td><\/tr><tr><td><code>array_pop()<\/code><\/td><td>\u914d\u5217\u306e\u672b\u5c3e\u304b\u3089\u8981\u7d20\u3092\u524a\u9664<\/td><td>\u524a\u9664\u3055\u308c\u305f\u8981\u7d20\u306e\u5024<\/td><td>\u5e38\u306b\u672b\u5c3e\u306e1\u8981\u7d20\u306e\u307f\u3092\u524a\u9664<\/td><\/tr><tr><td><code>array_unshift()<\/code><\/td><td>\u914d\u5217\u306e\u5148\u982d\u306b\u8981\u7d20\u3092\u8ffd\u52a0<\/td><td>\u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u30b5\u30a4\u30ba<\/td><td>\u8907\u6570\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\u53ef\u80fd<\/td><\/tr><tr><td><code>array_shift()<\/code><\/td><td>\u914d\u5217\u306e\u5148\u982d\u304b\u3089\u8981\u7d20\u3092\u524a\u9664<\/td><td>\u524a\u9664\u3055\u308c\u305f\u8981\u7d20\u306e\u5024<\/td><td>\u5e38\u306b\u5148\u982d\u306e1\u8981\u7d20\u306e\u307f\u3092\u524a\u9664<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u95a2\u6570\u306e\u4f7f\u7528\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30b9\u30bf\u30c3\u30af\u64cd\u4f5c\uff08\u5f8c\u5165\u308c\u5148\u51fa\u3057\uff09\u306e\u4f8b\n$stack = [];\n\n\/\/ \u30b9\u30bf\u30c3\u30af\u306b\u8981\u7d20\u3092\u8ffd\u52a0\uff08\u30d7\u30c3\u30b7\u30e5\uff09\narray_push($stack, \"\u8981\u7d201\");\narray_push($stack, \"\u8981\u7d202\", \"\u8981\u7d203\");\nprint_r($stack);  \/\/ Array ( [0] =&gt; \u8981\u7d201 [1] =&gt; \u8981\u7d202 [2] =&gt; \u8981\u7d203 )\n\n\/\/ \u30b9\u30bf\u30c3\u30af\u304b\u3089\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3059\uff08\u30dd\u30c3\u30d7\uff09\n$lastItem = array_pop($stack);\necho \"\u53d6\u308a\u51fa\u3057\u305f\u8981\u7d20: \" . $lastItem . \"\\n\";  \/\/ \u53d6\u308a\u51fa\u3057\u305f\u8981\u7d20: \u8981\u7d203\nprint_r($stack);  \/\/ Array ( [0] =&gt; \u8981\u7d201 [1] =&gt; \u8981\u7d202 )\n\n\/\/ \u30ad\u30e5\u30fc\u64cd\u4f5c\uff08\u5148\u5165\u308c\u5148\u51fa\u3057\uff09\u306e\u4f8b\n$queue = [];\n\n\/\/ \u30ad\u30e5\u30fc\u306b\u8981\u7d20\u3092\u8ffd\u52a0\uff08\u30a8\u30f3\u30ad\u30e5\u30fc\uff09\narray_push($queue, \"A\");\narray_push($queue, \"B\", \"C\");\nprint_r($queue);  \/\/ Array ( [0] =&gt; A [1] =&gt; B [2] =&gt; C )\n\n\/\/ \u30ad\u30e5\u30fc\u304b\u3089\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3059\uff08\u30c7\u30ad\u30e5\u30fc\uff09\n$firstItem = array_shift($queue);\necho \"\u53d6\u308a\u51fa\u3057\u305f\u8981\u7d20: \" . $firstItem . \"\\n\";  \/\/ \u53d6\u308a\u51fa\u3057\u305f\u8981\u7d20: A\nprint_r($queue);  \/\/ Array ( [0] =&gt; B [1] =&gt; C )\n\n\/\/ \u914d\u5217\u306e\u5148\u982d\u306b\u8981\u7d20\u3092\u8ffd\u52a0\narray_unshift($queue, \"\u65b0\u3057\u3044\u5148\u982d\");\nprint_r($queue);  \/\/ Array ( [0] =&gt; \u65b0\u3057\u3044\u5148\u982d [1] =&gt; B [2] =&gt; C )\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u95a2\u6570\u3092\u4f7f\u3044\u5206\u3051\u308b\u969b\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b9\u30bf\u30c3\u30af\u64cd\u4f5c\uff08LIFO: Last In, First Out\uff09<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u8ffd\u52a0: <code>array_push()<\/code>\u307e\u305f\u306f<code>$array[] = $value<\/code><\/li>\n\n\n\n<li>\u53d6\u308a\u51fa\u3057: <code>array_pop()<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30ad\u30e5\u30fc\u64cd\u4f5c\uff08FIFO: First In, First Out\uff09<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u8ffd\u52a0: <code>array_push()<\/code>\u307e\u305f\u306f<code>$array[] = $value<\/code><\/li>\n\n\n\n<li>\u53d6\u308a\u51fa\u3057: <code>array_shift()<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30c7\u30c3\u30af\u64cd\u4f5c\uff08\u4e21\u7aef\u30ad\u30e5\u30fc\uff09<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u672b\u5c3e\u306b\u8ffd\u52a0: <code>array_push()<\/code><\/li>\n\n\n\n<li>\u672b\u5c3e\u304b\u3089\u524a\u9664: <code>array_pop()<\/code><\/li>\n\n\n\n<li>\u5148\u982d\u306b\u8ffd\u52a0: <code>array_unshift()<\/code><\/li>\n\n\n\n<li>\u5148\u982d\u304b\u3089\u524a\u9664: <code>array_shift()<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8003\u616e\u70b9<\/strong>:\n<ul class=\"wp-block-list\">\n<li><code>array_shift()<\/code>\u3068<code>array_unshift()<\/code>\u306f\u914d\u5217\u306e\u5168\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u518d\u8a08\u7b97\u3059\u308b\u305f\u3081\u3001\u5927\u304d\u306a\u914d\u5217\u3067\u306f\u51e6\u7406\u304c\u9045\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u4e00\u65b9\u3001<code>array_push()<\/code>\u3068<code>array_pop()<\/code>\u306f\u914d\u5217\u306e\u672b\u5c3e\u3092\u64cd\u4f5c\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u3059<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-43\">array_merge\u3068array_push\u306e\u4f7f\u3044\u5206\u3051\u3068\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h3>\n\n\n\n<p><code>array_merge()<\/code>\u3068<code>array_push()<\/code>\u306f\u3069\u3061\u3089\u3082\u8907\u6570\u306e\u8981\u7d20\u3092\u914d\u5217\u306b\u8ffd\u52a0\u3067\u304d\u307e\u3059\u304c\u3001\u52d5\u4f5c\u3068\u7528\u9014\u304c\u7570\u306a\u308a\u307e\u3059\uff1a<\/p>\n\n\n<div id=\"id-531a73e9-9212-4393-ac47-02957d4f4d3a\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>array_push()<\/th><th>array_merge()<\/th><\/tr><\/thead><tbody><tr><td>\u52d5\u4f5c<\/td><td>\u65e2\u5b58\u306e\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0<\/td><td>\u8907\u6570\u306e\u914d\u5217\u3092\u7d50\u5408\u3057\u3066\u65b0\u3057\u3044\u914d\u5217\u3092\u4f5c\u6210<\/td><\/tr><tr><td>\u5143\u306e\u914d\u5217<\/td><td>\u5909\u66f4\u3055\u308c\u308b\uff08\u53c2\u7167\u6e21\u3057\uff09<\/td><td>\u5909\u66f4\u3055\u308c\u306a\u3044\uff08\u65b0\u3057\u3044\u914d\u5217\u3092\u8fd4\u3059\uff09<\/td><\/tr><tr><td>\u30ad\u30fc\u306e\u6271\u3044<\/td><td>\u6570\u5024\u30ad\u30fc\u306e\u307f\u81ea\u52d5\u5272\u308a\u5f53\u3066<\/td><td>\u6587\u5b57\u5217\u30ad\u30fc\u306f\u4fdd\u6301\u3001\u6570\u5024\u30ad\u30fc\u306f\u632f\u308a\u76f4\u3057<\/td><\/tr><tr><td>\u91cd\u8907\u30ad\u30fc<\/td><td>\u8003\u616e\u3057\u306a\u3044<\/td><td>\u5f8c\u306e\u914d\u5217\u306e\u5024\u3067\u4e0a\u66f8\u304d<\/td><\/tr><tr><td>\u547c\u3073\u51fa\u3057\u65b9<\/td><td><code>array_push($array, $value1, $value2, ...)<\/code><\/td><td><code>$newArray = array_merge($array1, $array2, ...)<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u4f7f\u7528\u4f8b\u3067\u9055\u3044\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ array_push\u306e\u4f8b\n$fruits = [\"\u308a\u3093\u3054\", \"\u30d0\u30ca\u30ca\"];\narray_push($fruits, \"\u30aa\u30ec\u30f3\u30b8\", \"\u3076\u3069\u3046\");\nprint_r($fruits);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; \u308a\u3093\u3054 [1] =&gt; \u30d0\u30ca\u30ca [2] =&gt; \u30aa\u30ec\u30f3\u30b8 [3] =&gt; \u3076\u3069\u3046 )\n\n\/\/ array_merge\u306e\u4f8b\n$fruits1 = [\"\u308a\u3093\u3054\", \"\u30d0\u30ca\u30ca\"];\n$fruits2 = [\"\u30aa\u30ec\u30f3\u30b8\", \"\u3076\u3069\u3046\"];\n$allFruits = array_merge($fruits1, $fruits2);\nprint_r($allFruits);\n\/\/ \u51fa\u529b: Array ( [0] =&gt; \u308a\u3093\u3054 [1] =&gt; \u30d0\u30ca\u30ca [2] =&gt; \u30aa\u30ec\u30f3\u30b8 [3] =&gt; \u3076\u3069\u3046 )\n\n\/\/ \u9023\u60f3\u914d\u5217\u306e\u5834\u5408\u306e\u9055\u3044\n$user1 = [\"name\" =&gt; \"\u7530\u4e2d\", \"age\" =&gt; 30];\n$user2 = [\"email\" =&gt; \"tanaka@example.com\", \"age\" =&gt; 31];\n\n\/\/ array_push\u306e\u5834\u5408\n$users = [$user1];\narray_push($users, $user2);  \/\/ \u914d\u5217\u5168\u4f53\u3092\u8981\u7d20\u3068\u3057\u3066\u8ffd\u52a0\nprint_r($users);\n\/*\n\u51fa\u529b:\nArray (\n    [0] =&gt; Array ( [name] =&gt; \u7530\u4e2d [age] =&gt; 30 )\n    [1] =&gt; Array ( [email] =&gt; tanaka@example.com [age] =&gt; 31 )\n)\n*\/\n\n\/\/ array_merge\u306e\u5834\u5408\n$merged = array_merge($user1, $user2);  \/\/ \u30ad\u30fc\u3068\u5024\u3092\u30de\u30fc\u30b8\nprint_r($merged);\n\/*\n\u51fa\u529b:\nArray (\n    [name] =&gt; \u7530\u4e2d\n    [age] =&gt; 31  \/\/ \u6ce8\u610f: \u91cd\u8907\u30ad\u30fc\u306f\u5f8c\u306e\u5024\u3067\u4e0a\u66f8\u304d\u3055\u308c\u308b\n    [email] =&gt; tanaka@example.com\n)\n*\/\n?&gt;\n<\/pre>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u95a2\u6570\u306e\u9069\u5207\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>array_push\u3092\u4f7f\u3046\u3079\u304d\u5834\u5408<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u65e2\u5b58\u306e\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u305f\u3044\u5834\u5408<\/li>\n\n\n\n<li>\u914d\u5217\u3092\u30b9\u30bf\u30c3\u30af\u3084\u30ad\u30e5\u30fc\u3068\u3057\u3066\u6271\u3046\u5834\u5408<\/li>\n\n\n\n<li>\u591a\u6b21\u5143\u914d\u5217\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\uff08\u30b5\u30d6\u914d\u5217\u3092\u8981\u7d20\u3068\u3057\u3066\u8ffd\u52a0\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>array_merge\u3092\u4f7f\u3046\u3079\u304d\u5834\u5408<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u8907\u6570\u306e\u914d\u5217\u3092\u4e00\u3064\u306b\u307e\u3068\u3081\u305f\u3044\u5834\u5408<\/li>\n\n\n\n<li>\u9023\u60f3\u914d\u5217\u306e\u30ad\u30fc\u3068\u5024\u3092\u30de\u30fc\u30b8\u3057\u305f\u3044\u5834\u5408<\/li>\n\n\n\n<li>\u5143\u306e\u914d\u5217\u3092\u5909\u66f4\u305b\u305a\u306b\u65b0\u3057\u3044\u914d\u5217\u3092\u4f5c\u6210\u3057\u305f\u3044\u5834\u5408<\/li>\n\n\n\n<li>\u30ad\u30fc\u306e\u885d\u7a81\u3092\u5236\u5fa1\u3057\u305f\u3044\u5834\u5408\uff08\u5f8c\u306e\u5024\u3067\u4e0a\u66f8\u304d\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u4f8b<\/strong>:<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ array_push\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\uff1a\u30ed\u30b0\u30a8\u30f3\u30c8\u30ea\u306e\u8ffd\u52a0\n$logs = [];\nfunction addLogEntry($logs, $level, $message) {\n    array_push($logs, [\n        'timestamp' =&gt; time(),\n        'level' =&gt; $level,\n        'message' =&gt; $message\n    ]);\n    return $logs;\n}\n$logs = addLogEntry($logs, 'INFO', '\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u59cb');\n$logs = addLogEntry($logs, 'ERROR', '\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30a8\u30e9\u30fc');\n\n\/\/ array_merge\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\uff1a\u8a2d\u5b9a\u306e\u30de\u30fc\u30b8\n$defaultConfig = [\n    'debug' =&gt; false,\n    'timezone' =&gt; 'Asia\/Tokyo',\n    'cache' =&gt; true,\n    'log_level' =&gt; 'WARNING'\n];\n\n$userConfig = [\n    'debug' =&gt; true,\n    'log_level' =&gt; 'DEBUG'\n];\n\n\/\/ \u30e6\u30fc\u30b6\u30fc\u8a2d\u5b9a\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306b\u4e0a\u66f8\u304d\u30de\u30fc\u30b8\n$finalConfig = array_merge($defaultConfig, $userConfig);\nprint_r($finalConfig);\n\/*\n\u51fa\u529b:\nArray (\n    [debug] =&gt; true\n    [timezone] =&gt; Asia\/Tokyo\n    [cache] =&gt; true\n    [log_level] =&gt; DEBUG\n)\n*\/\n?&gt;\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-44\">array_push\u3068array_combine\u306e\u5f79\u5272\u306e\u9055\u3044\u3068\u7d44\u307f\u5408\u308f\u305b\u65b9<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u3068<code>array_combine()<\/code>\u306f\u5168\u304f\u7570\u306a\u308b\u76ee\u7684\u3092\u6301\u3064\u95a2\u6570\u3067\u3059\u304c\u3001\u72b6\u6cc1\u306b\u3088\u3063\u3066\u306f\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3053\u3068\u3067\u52b9\u679c\u7684\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u304c\u53ef\u80fd\u3067\u3059\uff1a<\/p>\n\n\n<div id=\"id-ce5fb7ad-4ecc-4334-bbcc-4f3f90716071\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>array_push()<\/th><th>array_combine()<\/th><\/tr><\/thead><tbody><tr><td>\u76ee\u7684<\/td><td>\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0<\/td><td>\u30ad\u30fc\u3068\u5024\u306e\u5225\u3005\u306e\u914d\u5217\u304b\u3089\u9023\u60f3\u914d\u5217\u3092\u4f5c\u6210<\/td><\/tr><tr><td>\u52d5\u4f5c<\/td><td>\u65e2\u5b58\u306e\u914d\u5217\u3092\u5909\u66f4<\/td><td>\u65b0\u3057\u3044\u914d\u5217\u3092\u8fd4\u3059<\/td><\/tr><tr><td>\u5f15\u6570<\/td><td>\u914d\u5217\u3068\u8ffd\u52a0\u3059\u308b\u5024<\/td><td>\u30ad\u30fc\u914d\u5217\u3068\u5024\u914d\u5217<\/td><\/tr><tr><td>\u8fd4\u308a\u5024<\/td><td>\u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u30b5\u30a4\u30ba<\/td><td>\u65b0\u3057\u3044\u9023\u60f3\u914d\u5217<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p><code>array_combine()<\/code>\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30ad\u30fc\u306e\u914d\u5217\n$keys = ['name', 'email', 'age'];\n\n\/\/ \u5024\u306e\u914d\u5217\n$values = ['\u5c71\u7530\u592a\u90ce', 'yamada@example.com', 30];\n\n\/\/ \u4e21\u65b9\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u9023\u60f3\u914d\u5217\u3092\u4f5c\u6210\n$user = array_combine($keys, $values);\nprint_r($user);\n\/*\n\u51fa\u529b:\nArray (\n    [name] =&gt; \u5c71\u7530\u592a\u90ce\n    [email] =&gt; yamada@example.com\n    [age] =&gt; 30\n)\n*\/\n?&gt;\n<\/pre>\n\n\n\n<p>\u4e21\u65b9\u306e\u95a2\u6570\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u914d\u5217\n$users = [];\n\n\/\/ \u30d5\u30a9\u30fc\u30e0\u304b\u3089\u53d7\u4fe1\u3057\u305f\u8907\u6570\u306e\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u4f8b\nfunction processUserBatch($userData) {\n    global $users;\n    \n    foreach ($userData as $rawUser) {\n        \/\/ \u30ad\u30fc\u3068\u5024\u306e\u914d\u5217\u3092\u62bd\u51fa\n        $keys = array_keys($rawUser);\n        $values = array_values($rawUser);\n        \n        \/\/ \u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u691c\u8a3c\n        $requiredFields = ['name', 'email'];\n        $missingFields = array_diff($requiredFields, $keys);\n        \n        if (empty($missingFields)) {\n            \/\/ \u6709\u52b9\u306a\u30c7\u30fc\u30bf\u306a\u3089\u3001\u9023\u60f3\u914d\u5217\u3092\u4f5c\u6210\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u914d\u5217\u306b\u8ffd\u52a0\n            $user = array_combine($keys, $values);\n            array_push($users, $user);\n        }\n    }\n    \n    return $users;\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$batchData = [\n    ['name' =&gt; '\u7530\u4e2d\u4e00\u90ce', 'email' =&gt; 'tanaka@example.com', 'age' =&gt; 25],\n    ['name' =&gt; '\u4f50\u85e4\u4e8c\u90ce', 'email' =&gt; 'sato@example.com', 'department' =&gt; '\u55b6\u696d\u90e8'],\n    ['email' =&gt; 'missing-name@example.com'] \/\/ \u540d\u524d\u304c\u6b20\u3051\u3066\u3044\u308b\u306e\u3067\u8ffd\u52a0\u3055\u308c\u306a\u3044\n];\n\n$users = processUserBatch($batchData);\nprint_r($users);\n?&gt;\n<\/pre>\n\n\n\n<p>\u3055\u3089\u306b\u8907\u96d1\u306a\u7d44\u307f\u5408\u308f\u305b\u306e\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ CSV\u30c7\u30fc\u30bf\u304b\u3089\u30e6\u30fc\u30b6\u30fc\u914d\u5217\u3092\u4f5c\u6210\nfunction importUsersFromCSV($filename) {\n    $users = [];\n    \n    if (($handle = fopen($filename, \"r\")) !== FALSE) {\n        \/\/ \u6700\u521d\u306e\u884c\u3092\u30d8\u30c3\u30c0\u30fc\uff08\u30ad\u30fc\uff09\u3068\u3057\u3066\u6271\u3046\n        $headers = fgetcsv($handle);\n        \n        \/\/ \u6b8b\u308a\u306e\u884c\u3092\u9806\u306b\u51e6\u7406\n        while (($data = fgetcsv($handle)) !== FALSE) {\n            \/\/ \u30d8\u30c3\u30c0\u30fc\u3068\u540c\u3058\u9577\u3055\u306b\u306a\u308b\u3088\u3046\u306b\u30c7\u30fc\u30bf\u3092\u8abf\u6574\n            $data = array_pad($data, count($headers), null);\n            \n            \/\/ \u30d8\u30c3\u30c0\u30fc\u3068\u30c7\u30fc\u30bf\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u9023\u60f3\u914d\u5217\u3092\u4f5c\u6210\n            $user = array_combine($headers, $data);\n            \n            \/\/ \u4f5c\u6210\u3057\u305f\u9023\u60f3\u914d\u5217\u3092\u30e6\u30fc\u30b6\u30fc\u914d\u5217\u306b\u8ffd\u52a0\n            array_push($users, $user);\n        }\n        \n        fclose($handle);\n    }\n    \n    return $users;\n}\n\n\/\/ \u4f7f\u7528\u4f8b\uff08CSV\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3059\u308b\u3068\u4eee\u5b9a\uff09\n\/\/ $importedUsers = importUsersFromCSV('users.csv');\n\/\/ print_r($importedUsers);\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u4f8b\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\u3001<code>array_push()<\/code>\u3068<code>array_combine()<\/code>\u306f\u5168\u304f\u7570\u306a\u308b\u5f79\u5272\u3092\u6301\u3061\u307e\u3059\u304c\u3001\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<code>array_combine()<\/code>\u3067\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u3092<code>array_push()<\/code>\u3067\u96c6\u5408\u306b\u8ffd\u52a0\u3059\u308b\u3068\u3044\u3046\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u7279\u306bCSV\u30a4\u30f3\u30dd\u30fc\u30c8\u3084\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u51e6\u7406\u3067\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-45\">\u95a2\u9023\u95a2\u6570\u306e\u4f7f\u3044\u5206\u3051\u306e\u5b9f\u8df5\u7684\u306a\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306e\u958b\u767a\u3067\u306f\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u6700\u9069\u306a\u914d\u5217\u95a2\u6570\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u3088\u304f\u3042\u308b\u72b6\u6cc1\u3067\u306e\u95a2\u6570\u9078\u629e\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u306e\u672b\u5c3e\u306b\u5358\u4e00\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6700\u3082\u52b9\u7387\u7684\u306a\u306e\u306f\u62ec\u5f27\u6f14\u7b97\u5b50\n$array[] = $value;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u306e\u672b\u5c3e\u306b\u8907\u6570\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ array_push\u304c\u9069\u5207\narray_push($array, $value1, $value2, $value3);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5225\u306e\u914d\u5217\u306e\u5168\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ PHP 7.4\u4ee5\u964d\narray_push($array, ...$otherArray);\n\n\/\/ \u307e\u305f\u306f\n$array = array_merge($array, $otherArray);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b9\u30bf\u30c3\u30af\uff08LIFO\uff09\u64cd\u4f5c<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8ffd\u52a0\narray_push($stack, $item);\n\n\/\/ \u307e\u305f\u306f\n$stack[] = $item;\n\n\/\/ \u53d6\u308a\u51fa\u3057\n$item = array_pop($stack);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ad\u30e5\u30fc\uff08FIFO\uff09\u64cd\u4f5c<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8ffd\u52a0\narray_push($queue, $item);\n\n\/\/ \u307e\u305f\u306f\n$queue[] = $item;\n\n\/\/ \u53d6\u308a\u51fa\u3057\n$item = array_shift($queue);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9023\u60f3\u914d\u5217\u306e\u7d50\u5408<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30ad\u30fc\u3092\u4fdd\u6301\u3057\u3066\u30de\u30fc\u30b8\n$result = array_merge($array1, $array2);\n\n\/\/ \u518d\u5e30\u7684\u306b\u30de\u30fc\u30b8\uff08PHP\u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\uff09\n$result = array_merge_recursive($array1, $array2);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u304b\u3089\u4e00\u90e8\u306e\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3059<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3067\u6307\u5b9a\n$slice = array_slice($array, $offset, $length);\n\n\/\/ \u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\n$filtered = array_filter($array, function($value) {\n    return $value &gt; 10;\n});<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ad\u30fc\u3068\u5024\u306e\u914d\u5217\u304b\u3089\u9023\u60f3\u914d\u5217\u3092\u4f5c\u6210<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$associative = array_combine($keys, $values);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u306e\u5909\u63db\uff08\u30de\u30c3\u30d4\u30f3\u30b0\uff09<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$transformed = array_map(function($value) {\n    return $value * 2;\n}, $array);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u914d\u5217\u306e\u524a\u6e1b\uff08\u96c6\u7d04\uff09<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">$sum = array_reduce($array, function($carry, $value) {\n    return $carry + $value;\n}, 0);<\/pre>\n\n\n\n<p>\u3053\u306e\u4e2d\u3067\u3001<code>array_push()<\/code>\u306f\u4e3b\u306b\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u5834\u9762\u3067\u4f7f\u7528\u3057\u307e\u3059\u3002\u7279\u306b\u8907\u6570\u306e\u8981\u7d20\u3092\u4e00\u5ea6\u306b\u8ffd\u52a0\u3057\u305f\u3044\u5834\u5408\u3084\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30b9\u30bf\u30a4\u30eb\u3067\u4e00\u8cab\u3057\u3066\u95a2\u6570\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u95a2\u6570\u9078\u629e\u306e\u969b\u306f\u4ee5\u4e0b\u306e\u70b9\u3082\u8003\u616e\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8981\u4ef6<\/strong>: \u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30eb\u30fc\u30d7\u5185\u3067\u306f\u3001\u6700\u3082\u52b9\u7387\u7684\u306a\u65b9\u6cd5\uff08\u901a\u5e38\u306f\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\uff09\u3092\u9078\u3076<\/li>\n\n\n\n<li><strong>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027<\/strong>: \u4f55\u3092\u3057\u3066\u3044\u308b\u304b\u304c\u660e\u78ba\u306b\u306a\u308b\u95a2\u6570\u540d\u3092\u9078\u3076<\/li>\n\n\n\n<li><strong>\u4e00\u8cab\u6027<\/strong>: \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u3067\u7d71\u4e00\u3055\u308c\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u7dad\u6301\u3059\u308b<\/li>\n\n\n\n<li><strong>\u6a5f\u80fd\u8981\u4ef6<\/strong>: \u7279\u5b9a\u306e\u52d5\u4f5c\uff08\u30ad\u30fc\u306e\u6271\u3044\u306a\u3069\uff09\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u305d\u308c\u306b\u9069\u3057\u305f\u95a2\u6570\u3092\u9078\u3076<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3092\u7406\u89e3\u3057\u3001\u5404\u95a2\u6570\u306e\u7279\u6027\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u3067\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u305f\u6700\u9069\u306a\u914d\u5217\u64cd\u4f5c\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-46\">PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u9593\u3067\u306earray_push\u306e\u6319\u52d5\u306e\u9055\u3044\u3068\u6ce8\u610f\u70b9<\/h2>\n\n\n\n<p>PHP\u306f\u7d99\u7d9a\u7684\u306b\u9032\u5316\u3057\u3066\u304a\u308a\u3001\u5404\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3055\u307e\u3056\u307e\u306a\u6539\u5584\u3084\u5909\u66f4\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<code>array_push()<\/code>\u306e\u3088\u3046\u306a\u57fa\u672c\u7684\u306a\u95a2\u6570\u3082\u3001PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3088\u3063\u3066\u5fae\u5999\u306a\u6319\u52d5\u306e\u9055\u3044\u304c\u3042\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001PHP 5.x\u30017.x\u30018.x\u3067\u306e<code>array_push()<\/code>\u306e\u6319\u52d5\u306e\u9055\u3044\u3068\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-47\">PHP 5.x\u30017.x\u30018.x\u3067\u306e\u6319\u52d5\u306e\u9055\u3044<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u306f\u9577\u3044\u9593PHP\u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4e00\u90e8\u3067\u3057\u305f\u304c\u3001\u5404\u30e1\u30b8\u30e3\u30fc\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u82e5\u5e72\u306e\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4e3b\u306a\u9055\u3044\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-48\">1. \u578b\u306e\u53b3\u683c\u3055\u3068\u30a8\u30e9\u30fc\u51e6\u7406<\/h4>\n\n\n\n<p>PHP 5.x\u3067\u306f\u578b\u30c1\u30a7\u30c3\u30af\u304c\u6bd4\u8f03\u7684\u7de9\u304f\u3001\u8b66\u544a\u306f\u767a\u751f\u3059\u308b\u3082\u306e\u306e\u3001\u4e00\u90e8\u306e\u7570\u5e38\u306a\u4f7f\u7528\u65b9\u6cd5\u3067\u3082\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002PHP 7\u4ee5\u964d\u3067\u306f\u578b\u30c1\u30a7\u30c3\u30af\u304c\u53b3\u683c\u5316\u3055\u308c\u3001\u7279\u306bPHP 7.2\u4ee5\u964d\u3067\u306f\u578b\u306b\u95a2\u3059\u308b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ PHP 5.x\n$notArray = null;\n\/\/ E_WARNING \u304c\u767a\u751f\u3059\u308b\u304c\u51e6\u7406\u306f\u7d9a\u884c\narray_push($notArray, \"\u5024\");\nvar_dump($notArray);  \/\/ \u7d50\u679c: array(1) { [0]=&gt; string(2) \"\u5024\" }\n\n\/\/ PHP 7.x\/8.x\n$notArray = null;\n\/\/ E_WARNING \u304c\u767a\u751f\u3057\u3001$notArray\u306f\u4f9d\u7136\u3068\u3057\u3066null\narray_push($notArray, \"\u5024\");\nvar_dump($notArray);  \/\/ \u7d50\u679c: NULL\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-49\">2. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584<\/h4>\n\n\n\n<p>PHP 7.0\u4ee5\u964d\u3001\u5185\u90e8\u5b9f\u88c5\u304c\u6700\u9069\u5316\u3055\u308c\u3001\u914d\u5217\u64cd\u4f5c\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5168\u4f53\u7684\u306b\u5411\u4e0a\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f<code>array_push()<\/code>\u306b\u3082\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\uff08PHP 5.6 vs PHP 7.4\u306e\u4f8b\uff09\n$iterations = 1000000;\n$array = [];\n\n$start = microtime(true);\nfor ($i = 0; $i &lt; $iterations; $i++) {\n    array_push($array, $i);\n}\n$time = microtime(true) - $start;\necho \"\u5b9f\u884c\u6642\u9593: \" . $time . \" \u79d2\\n\";\n\n\/\/ PHP 5.6: \u7d040.6\u301c0.8\u79d2\n\/\/ PHP 7.4: \u7d040.2\u301c0.3\u79d2\uff08\u7d042.5\u301c3\u500d\u9ad8\u901f\uff09\n\/\/ PHP 8.0: \u3055\u3089\u306b\u9ad8\u901f\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-50\">3. \u623b\u308a\u5024\u306e\u578b\u5ba3\u8a00<\/h4>\n\n\n\n<p>PHP 7.0\u3067\u5c0e\u5165\u3055\u308c\u305f\u623b\u308a\u5024\u306e\u578b\u5ba3\u8a00\u306f\u3001PHP 7.4\u4ee5\u964d\u3067\u3088\u308a\u4e00\u8cab\u6027\u304c\u5411\u4e0a\u3057\u307e\u3057\u305f\u3002<code>array_push()<\/code>\u306f\u5e38\u306b\u6574\u6570\uff08\u8ffd\u52a0\u5f8c\u306e\u914d\u5217\u306e\u8981\u7d20\u6570\uff09\u3092\u8fd4\u3057\u307e\u3059\u304c\u3001PHP 8.0\u4ee5\u964d\u3067\u306f\u3053\u306e\u578b\u306e\u4e00\u8cab\u6027\u304c\u3055\u3089\u306b\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ PHP 8.0\u4ee5\u964d\u3067\u3088\u308a\u4e00\u8cab\u3057\u305f\u578b\u3092\u8fd4\u3059\n$array = [];\n$result = array_push($array, \"\u8981\u7d201\", \"\u8981\u7d202\");\nvar_dump($result);  \/\/ int(2) - \u3059\u3079\u3066\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u540c\u3058\n\n\/\/ \u3057\u304b\u3057\u3001PHP 8.0\u4ee5\u964d\u3067\u306f\u3001\u95a2\u6570\u306e\u578b\u5ba3\u8a00\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u5834\u5408\u306e\u6319\u52d5\u304c\u3088\u308a\u4e88\u6e2c\u53ef\u80fd\nfunction addItemsAndGetCount(array &amp;$items, ...$newItems): int {\n    return array_push($items, ...$newItems);\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-51\">4. \u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\u3068\u306e\u4e92\u63db\u6027<\/h4>\n\n\n\n<p>PHP 7.4\u3067\u5c0e\u5165\u3055\u308c\u305f\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\uff08<code>...<\/code>\uff09\u306f\u3001<code>array_push()<\/code>\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u7279\u306b\u6709\u7528\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5225\u306e\u914d\u5217\u306e\u5168\u8981\u7d20\u3092\u65e2\u5b58\u306e\u914d\u5217\u306b\u5bb9\u6613\u306b\u8ffd\u52a0\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ PHP 5.6\u3067\u306f\u4f7f\u7528\u3067\u304d\u306a\u3044\n\/\/ PHP 7.4\u4ee5\u964d\u3067\u4f7f\u7528\u53ef\u80fd\n$array1 = [1, 2, 3];\n$array2 = [4, 5, 6];\n\n\/\/ PHP 7.4\u4ee5\u964d\narray_push($array1, ...$array2);\nprint_r($array1);  \/\/ Array ( [0] =&gt; 1 [1] =&gt; 2 [2] =&gt; 3 [3] =&gt; 4 [4] =&gt; 5 [5] =&gt; 6 )\n\n\/\/ PHP 5.6\u304b\u30897.3\u307e\u3067\u306e\u65b9\u6cd5\n$array1 = [1, 2, 3];\n$array2 = [4, 5, 6];\ncall_user_func_array('array_push', array_merge([&amp;$array1], $array2));\nprint_r($array1);  \/\/ Array ( [0] =&gt; 1 [1] =&gt; 2 [2] =&gt; 3 [3] =&gt; 4 [4] =&gt; 5 [5] =&gt; 6 )\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-52\">5. \u53b3\u683c\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u30bf\u30a4\u30d7\u30c1\u30a7\u30c3\u30af<\/h4>\n\n\n\n<p>PHP 8.0\u3067\u306f\u578b\u30b7\u30b9\u30c6\u30e0\u304c\u5168\u4f53\u7684\u306b\u5f37\u5316\u3055\u308c\u3001\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u578b\u30c1\u30a7\u30c3\u30af\u304c\u3088\u308a\u53b3\u683c\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001<code>array_push()<\/code>\u3078\u306e\u7121\u52b9\u306a\u5f15\u6570\u306e\u6e21\u3057\u65b9\u306b\u5bfe\u3059\u308b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u3088\u308a\u660e\u78ba\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ PHP 8.0\u4ee5\u964d\u3067\u3088\u308a\u8a73\u7d30\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\n$notArray = \"\u6587\u5b57\u5217\";\narray_push($notArray, \"\u5024\");\n\/\/ PHP 7.x: Warning: array_push() expects parameter 1 to be array, string given\n\/\/ PHP 8.0+: Warning: array_push(): Argument #1 ($array) must be of type array, string given\n?&gt;\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-53\">PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u6642\u306e\u6f5c\u5728\u7684\u306a\u554f\u984c\u3068\u5bfe\u7b56<\/h3>\n\n\n\n<p>PHP\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u969b\u3001\u7279\u306b\u53e4\u3044\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3067\u306f<code>array_push()<\/code>\u306e\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4e3b\u306a\u554f\u984c\u3068\u305d\u306e\u5bfe\u7b56\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-54\">1. \u578b\u95a2\u9023\u306e\u8b66\u544a\u3068\u30a8\u30e9\u30fc<\/h4>\n\n\n\n<p><strong>\u554f\u984c<\/strong>\uff1aPHP\u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u578b\u30c1\u30a7\u30c3\u30af\u304c\u53b3\u683c\u5316\u3055\u308c\u3066\u304a\u308a\u3001\u4ee5\u524d\u306f\u8b66\u544a\u3060\u3051\u3060\u3063\u305f\u554f\u984c\u304c\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5bfe\u7b56<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\n$maybeArray = getSomeValue();  \/\/ null\u3084\u914d\u5217\u4ee5\u5916\u306e\u5024\u304c\u8fd4\u3055\u308c\u308b\u53ef\u80fd\u6027\narray_push($maybeArray, \"\u65b0\u3057\u3044\u5024\");\n\n\/\/ \u6539\u5584\u3055\u308c\u305f\u30b3\u30fc\u30c9\n$maybeArray = getSomeValue();\nif (!is_array($maybeArray)) {\n    $maybeArray = [];  \/\/ \u914d\u5217\u3067\u306a\u3044\u5834\u5408\u306f\u521d\u671f\u5316\n}\narray_push($maybeArray, \"\u65b0\u3057\u3044\u5024\");\n\n\/\/ \u307e\u305f\u306f\u3055\u3089\u306b\u7c21\u6f54\u306b\n$maybeArray = (array)getSomeValue();  \/\/ \u914d\u5217\u306b\u578b\u5909\u63db\narray_push($maybeArray, \"\u65b0\u3057\u3044\u5024\");\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-55\">2. \u53c2\u7167\u6e21\u3057\u306e\u6319\u52d5\u306e\u5909\u5316<\/h4>\n\n\n\n<p><strong>\u554f\u984c<\/strong>\uff1a\u53c2\u7167\u6e21\u3057\u306e\u6319\u52d5\u304c\u3001\u7279\u306bPHP 7\u4ee5\u964d\u3067\u5909\u66f4\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5bfe\u7b56<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\uff08PHP 5.x\u3067\u306f\u52d5\u4f5c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\uff09\nfunction addItems($array, $items) {\n    array_push($array, ...$items);\n    return $array;\n}\n\n\/\/ \u6539\u5584\u3055\u308c\u305f\u30b3\u30fc\u30c9\nfunction addItems(array $array, array $items): array {\n    array_push($array, ...$items);  \/\/ PHP 7.4\u4ee5\u964d\n    \/\/ \u307e\u305f\u306f\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f:\n    \/\/ foreach ($items as $item) {\n    \/\/     $array[] = $item;\n    \/\/ }\n    return $array;\n}\n\n\/\/ \u53c2\u7167\u6e21\u3057\u3092\u660e\u793a\u7684\u306b\u4f7f\u7528\u3059\u308b\u5834\u5408\nfunction addItemsByRef(array &amp;$array, array $items): void {\n    array_push($array, ...$items);  \/\/ PHP 7.4\u4ee5\u964d\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-56\">3. \u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u306e\u8abf\u6574<\/h4>\n\n\n\n<p><strong>\u554f\u984c<\/strong>\uff1a\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u9593\u3067\u4e92\u63db\u6027\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5bfe\u7b56<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\n$result = array_reduce($data, function($carry, $item) {\n    array_push($carry, processItem($item));\n    return $carry;\n}, []);\n\n\/\/ \u6539\u5584\u3055\u308c\u305f\u30b3\u30fc\u30c9\uff08\u3059\u3079\u3066\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u52d5\u4f5c\uff09\n$result = array_reduce($data, function($carry, $item) {\n    $carry[] = processItem($item);  \/\/ array_push()\u306e\u4ee3\u308f\u308a\u306b\u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\n    return $carry;\n}, []);\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-57\">4. \u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\u3078\u306e\u79fb\u884c<\/h4>\n\n\n\n<p><strong>\u554f\u984c<\/strong>\uff1aPHP 7.4\u672a\u6e80\u3067\u306f\u3001\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\u304c\u4f7f\u7528\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u914d\u5217\u306e\u7d50\u5408\u306b\u7570\u306a\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5bfe\u7b56<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ PHP 7.4\u4ee5\u964d\u306e\u30b3\u30fc\u30c9\nfunction combineArrays(array $base, array ...$arrays): array {\n    foreach ($arrays as $array) {\n        array_push($base, ...$array);\n    }\n    return $base;\n}\n\n\/\/ PHP 7.3\u4ee5\u524d\u3068\u306e\u4e92\u63db\u6027\u3092\u6301\u305f\u305b\u305f\u30b3\u30fc\u30c9\nfunction combineArrays(array $base, array ...$arrays): array {\n    foreach ($arrays as $array) {\n        foreach ($array as $item) {\n            $base[] = $item;  \/\/ \u500b\u5225\u306b\u8ffd\u52a0\n        }\n    }\n    return $base;\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-58\">5. \u30d0\u30fc\u30b8\u30e7\u30f3\u691c\u51fa\u3068\u6761\u4ef6\u5206\u5c90<\/h4>\n\n\n\n<p><strong>\u554f\u984c<\/strong>\uff1a\u7570\u306a\u308bPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5927\u898f\u6a21\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3088\u3063\u3066\u52d5\u4f5c\u3092\u5909\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u5bfe\u7b56<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u57fa\u3065\u3044\u3066\u6700\u9069\u306a\u5b9f\u88c5\u3092\u9078\u629e\nfunction optimizedArrayPush(array &amp;$array, ...$values): int {\n    if (version_compare(PHP_VERSION, '7.4.0', '&gt;=')) {\n        \/\/ PHP 7.4\u4ee5\u964d\u3067\u306f\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\n        return array_push($array, ...$values);\n    } else {\n        \/\/ \u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u500b\u5225\u306b\u8ffd\u52a0\n        $count = count($array);\n        foreach ($values as $value) {\n            $array[] = $value;\n        }\n        return count($array);\n    }\n}\n?&gt;\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-59\">\u5c06\u6765\u7684\u306a\u5909\u66f4\u306e\u53ef\u80fd\u6027\u3068\u4e92\u63db\u6027\u306e\u8003\u616e<\/h3>\n\n\n\n<p>PHP\u306f\u7d99\u7d9a\u7684\u306b\u9032\u5316\u3057\u3066\u304a\u308a\u3001\u5c06\u6765\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3082<code>array_push()<\/code>\u3084\u95a2\u9023\u3059\u308b\u914d\u5217\u64cd\u4f5c\u306b\u5909\u66f4\u304c\u52a0\u3048\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u5c06\u6765\u306e\u5909\u66f4\u306b\u5099\u3048\u3066\u8003\u616e\u3059\u3079\u304d\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-60\">1. \u578b\u30b7\u30b9\u30c6\u30e0\u306e\u3055\u3089\u306a\u308b\u5f37\u5316<\/h4>\n\n\n\n<p>PHP 8.0\u3067\u5c0e\u5165\u3055\u308c\u305f\u578b\u30b7\u30b9\u30c6\u30e0\u306e\u5f37\u5316\u306f\u4eca\u5f8c\u3082\u7d99\u7d9a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e38\u306b\u660e\u793a\u7684\u306a\u578b\u5ba3\u8a00\u3092\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u95a2\u6570\u306e\u5f15\u6570\u3068\u623b\u308a\u5024\u306b\u578b\u5ba3\u8a00\u3092\u8ffd\u52a0\u3059\u308b<\/li>\n\n\n\n<li>PHPDoc\u30b3\u30e1\u30f3\u30c8\u3067\u578b\u60c5\u5831\u3092\u63d0\u4f9b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/**\n * \u914d\u5217\u306b\u8907\u6570\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3001\u8ffd\u52a0\u5f8c\u306e\u8981\u7d20\u6570\u3092\u8fd4\u3059\n *\n * @param array&lt;mixed&gt; &amp;$array \u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u914d\u5217\n * @param mixed ...$values \u8ffd\u52a0\u3059\u308b\u5024\n * @return int \u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u306e\u8981\u7d20\u6570\n *\/\nfunction safeArrayPush(array &amp;$array, ...$values): int {\n    return array_push($array, ...$values);\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-61\">2. JIT\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u3055\u3089\u306a\u308b\u6700\u9069\u5316<\/h4>\n\n\n\n<p>PHP 8.0\u3067\u5c0e\u5165\u3055\u308c\u305fJIT\u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u3001\u5c06\u6765\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3055\u3089\u306b\u6700\u9069\u5316\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001<code>array_push()<\/code>\u3068\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027\u304c\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30b3\u30fc\u30c9\u3067\u306f\u3001\u4e21\u65b9\u306e\u65b9\u6cd5\u3092\u7d99\u7d9a\u7684\u306b\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3059\u308b<\/li>\n\n\n\n<li>\u30de\u30a4\u30af\u30ed\u6700\u9069\u5316\u3088\u308a\u3082\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u512a\u5148\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-62\">3. \u65b0\u3057\u3044\u914d\u5217\u64cd\u4f5c\u30e1\u30bd\u30c3\u30c9\u306e\u5c0e\u5165<\/h4>\n\n\n\n<p>\u5c06\u6765\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u65b0\u3057\u3044\u914d\u5217\u64cd\u4f5c\u30e1\u30bd\u30c3\u30c9\u304c\u5c0e\u5165\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001<code>array_push()<\/code>\u306e\u4f7f\u7528\u983b\u5ea6\u304c\u6e1b\u5c11\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65b0\u6a5f\u80fd\u306e\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u3092\u5b9a\u671f\u7684\u306b\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u5834\u5408\u306f\u65b0\u3057\u3044\u30e1\u30bd\u30c3\u30c9\u306b\u79fb\u884c\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-63\">4. \u4e92\u63db\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n\n\n\n<p>\u5c06\u6765\u7684\u306a\u4e92\u63db\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u5f93\u3046\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u660e\u793a\u7684\u306a\u578b\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3046<\/strong>:<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nfunction processArray($data) {\n    if (!is_array($data)) {\n        $data = (array)$data; \/\/ \u914d\u5217\u306b\u5909\u63db\n    }\n    array_push($data, 'new_item');\n    return $data;\n}\n?&gt;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u306e\u691c\u67fb\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b<\/strong>:\n<ul class=\"wp-block-list\">\n<li>PHPStan\u3001Psalm\u3001PHPCS\u306a\u3069\u306e\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u6f5c\u5728\u7684\u306a\u554f\u984c\u3092\u691c\u51fa\u3059\u308b<\/li>\n\n\n\n<li>CI\/CD\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u9759\u7684\u89e3\u6790\u3092\u7d44\u307f\u8fbc\u3080<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30dd\u30ea\u30d5\u30a3\u30eb\u307e\u305f\u306f\u30b7\u30e0\u5c64\u3092\u7528\u610f\u3059\u308b<\/strong>: <\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ PHP 7.4\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7528\u306e\u30dd\u30ea\u30d5\u30a3\u30eb\nif (!function_exists('array_push_all')) {\n    function array_push_all(array &amp;$array, array $items): int {\n        $originalCount = count($array);\n        foreach ($items as $item) {\n            $array[] = $item;\n        }\n        return count($array);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$array = [1, 2, 3];\n$items = [4, 5, 6];\nif (version_compare(PHP_VERSION, '7.4.0', '&gt;=')) {\n    array_push($array, ...$items); \/\/ PHP 7.4\u4ee5\u964d\n} else {\n    array_push_all($array, $items); \/\/ \u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\n}\n?&gt;<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u3067\u30d0\u30fc\u30b8\u30e7\u30f3\u5dee\u7570\u3092\u30ab\u30d0\u30fc\u3059\u308b<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u7570\u306a\u308bPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306e\u30c6\u30b9\u30c8\u5b9f\u884c\u3092\u81ea\u52d5\u5316\u3059\u308b<\/li>\n\n\n\n<li>CI\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u8907\u6570\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5bfe\u8c61\u306b\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-64\">5. \u578b\u306e\u4e00\u8cab\u6027\u306e\u5f37\u5316<\/h4>\n\n\n\n<p>PHP 8.x\u4ee5\u964d\u3067\u306f\u3001\u578b\u306e\u4e00\u8cab\u6027\u304c\u3055\u3089\u306b\u5f37\u5316\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u306f\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ PHP 8.x\u3067\u306e\u63a8\u5968\u3055\u308c\u308b\u66f8\u304d\u65b9\nfunction addToCollection(array &amp;$collection, mixed ...$items): int {\n    return array_push($collection, ...$items);\n}\n\n\/\/ \u7a4d\u6975\u7684\u306a\u578b\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3046\u5834\u5408\nfunction addStringToCollection(array &amp;$collection, string ...$items): int {\n    return array_push($collection, ...$items);\n}\n?&gt;\n<\/pre>\n\n\n\n<p>\u5c06\u6765\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u969b\u306b\u306f\u3001\u5e38\u306b\u5909\u66f4\u70b9\u3092\u78ba\u8a8d\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u7279\u306b\u57fa\u672c\u7684\u306a\u95a2\u6570\u306e\u6319\u52d5\u306f\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u4f4e\u3044\u3067\u3059\u304c\u3001\u578b\u30b7\u30b9\u30c6\u30e0\u3084\u30a8\u30e9\u30fc\u51e6\u7406\u306a\u3069\u5468\u8fba\u306e\u6a5f\u80fd\u306f\u9032\u5316\u3057\u7d9a\u3051\u308b\u305f\u3081\u3001\u305d\u308c\u3089\u306b\u9069\u5fdc\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-65\">array_push\u3092\u4f7f\u3063\u305f\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<p><code>array_push()<\/code>\u95a2\u6570\u306f\u5358\u7d14\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3001\u4fdd\u5b88\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u5f79\u7acb\u3064<code>array_push()<\/code>\u3092\u6d3b\u7528\u3057\u305f\u30b3\u30fc\u30c9\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-66\">\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306b\u3088\u308b\u30b3\u30fc\u30c9\u306e\u6539\u5584\u4f8b<\/h3>\n\n\n\n<p>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u6700\u521d\u306b\u66f8\u3044\u305f\u30b3\u30fc\u30c9\u304c\u5fc5\u305a\u3057\u3082\u6700\u9069\u3067\u306f\u306a\u3044\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u3001\u914d\u5217\u64cd\u4f5c\u304c\u591a\u7528\u3055\u308c\u308b\u30b3\u30fc\u30c9\u3067\u306f\u3001\u9069\u5207\u306a\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u5927\u304d\u306a\u6539\u5584\u304c\u898b\u8fbc\u3081\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001<code>array_push()<\/code>\u3092\u4f7f\u3063\u305f\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-67\">\u4f8b1: \u8907\u96d1\u306a\u6761\u4ef6\u5206\u5c90\u3092\u6574\u7406\u3059\u308b<\/h4>\n\n\n\n<p><strong>\u6539\u5584\u524d<\/strong>:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u8907\u96d1\u306a\u6761\u4ef6\u5206\u5c90\u3092\u542b\u3080\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u53ce\u96c6\n$userData = [];\n\nif (!empty($_POST['name'])) {\n    $userData['name'] = htmlspecialchars($_POST['name']);\n}\n\nif (!empty($_POST['email'])) {\n    $userData['email'] = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);\n}\n\n\/\/ \u8208\u5473\u30ab\u30c6\u30b4\u30ea\u306e\u51e6\u7406 - \u8907\u96d1\u306a\u6761\u4ef6\u5206\u5c90\n$userData['interests'] = [];\nif (isset($_POST['interests']) &amp;&amp; is_array($_POST['interests'])) {\n    foreach ($_POST['interests'] as $interest) {\n        if (in_array($interest, ['technology', 'science', 'art', 'sports'])) {\n            $userData['interests'][] = $interest;\n        }\n    }\n}\n\n\/\/ \u30e6\u30fc\u30b6\u30fc\u30b9\u30ad\u30eb\u306e\u51e6\u7406 - \u4f3c\u305f\u3088\u3046\u306a\u91cd\u8907\u30b3\u30fc\u30c9\n$userData['skills'] = [];\nif (isset($_POST['skills']) &amp;&amp; is_array($_POST['skills'])) {\n    foreach ($_POST['skills'] as $skill) {\n        if (in_array($skill, ['php', 'javascript', 'html', 'css', 'mysql'])) {\n            $userData['skills'][] = $skill;\n        }\n    }\n}\n?&gt;\n<\/pre>\n\n\n\n<p><strong>\u6539\u5584\u5f8c<\/strong>:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u5f8c\u306e\u30b3\u30fc\u30c9 - \u51e6\u7406\u3092\u95a2\u6570\u5316\nfunction collectUserData() {\n    $userData = [\n        'name' =&gt; '',\n        'email' =&gt; '',\n        'interests' =&gt; [],\n        'skills' =&gt; []\n    ];\n    \n    \/\/ \u57fa\u672c\u60c5\u5831\u306e\u51e6\u7406\n    if (!empty($_POST['name'])) {\n        $userData['name'] = htmlspecialchars($_POST['name']);\n    }\n    \n    if (!empty($_POST['email'])) {\n        $userData['email'] = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);\n    }\n    \n    \/\/ \u914d\u5217\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3092\u6c4e\u7528\u5316\n    $arrayFields = [\n        'interests' =&gt; ['technology', 'science', 'art', 'sports'],\n        'skills' =&gt; ['php', 'javascript', 'html', 'css', 'mysql']\n    ];\n    \n    foreach ($arrayFields as $field =&gt; $allowedValues) {\n        if (isset($_POST[$field]) &amp;&amp; is_array($_POST[$field])) {\n            foreach ($_POST[$field] as $value) {\n                if (in_array($value, $allowedValues)) {\n                    array_push($userData[$field], $value);\n                }\n            }\n        }\n    }\n    \n    return $userData;\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$user = collectUserData();\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u6539\u5584\u3067\u306f\u3001\u985e\u4f3c\u3057\u305f\u51e6\u7406\u3092\u6c4e\u7528\u5316\u3057\u3001<code>array_push()<\/code>\u3092\u4f7f\u3063\u3066\u3088\u308a\u660e\u793a\u7684\u304b\u3064\u6574\u7406\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u914d\u5217\u3078\u306e\u30c7\u30fc\u30bf\u8ffd\u52a0\u304c\u660e\u78ba\u306b\u306a\u308a\u3001\u65b0\u3057\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u8ffd\u52a0\u3082\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-68\">\u4f8b2: \u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u69cb\u7bc9\u3092\u7c21\u7d20\u5316<\/h4>\n\n\n\n<p><strong>\u6539\u5584\u524d<\/strong>:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u8907\u96d1\u306a\u968e\u5c64\u69cb\u9020\u3092\u6301\u3064\u30c7\u30fc\u30bf\u306e\u69cb\u7bc9\n$reportData = [];\n$reportData['title'] = 'Monthly Sales Report';\n$reportData['date'] = date('Y-m-d');\n$reportData['departments'] = [];\n\n\/\/ \u5404\u90e8\u9580\u306e\u30c7\u30fc\u30bf\u3092\u500b\u5225\u306b\u51e6\u7406\n$deptSales = getDepartmentSales('electronics');\nif ($deptSales) {\n    $dept = [];\n    $dept['name'] = 'Electronics';\n    $dept['total'] = array_sum(array_column($deptSales, 'amount'));\n    $dept['sales'] = [];\n    foreach ($deptSales as $sale) {\n        $dept['sales'][] = [\n            'product' =&gt; $sale['product'],\n            'amount' =&gt; $sale['amount'],\n            'date' =&gt; $sale['date']\n        ];\n    }\n    $reportData['departments'][] = $dept;\n}\n\n\/\/ \u540c\u69d8\u306e\u51e6\u7406\u304c\u4ed6\u306e\u90e8\u9580\u3067\u3082\u7e70\u308a\u8fd4\u3055\u308c\u308b\n$deptSales = getDepartmentSales('clothing');\nif ($deptSales) {\n    $dept = [];\n    $dept['name'] = 'Clothing';\n    $dept['total'] = array_sum(array_column($deptSales, 'amount'));\n    $dept['sales'] = [];\n    foreach ($deptSales as $sale) {\n        $dept['sales'][] = [\n            'product' =&gt; $sale['product'],\n            'amount' =&gt; $sale['amount'],\n            'date' =&gt; $sale['date']\n        ];\n    }\n    $reportData['departments'][] = $dept;\n}\n\n\/\/ \u3055\u3089\u306b\u7e70\u308a\u8fd4\u3057...\n?&gt;\n<\/pre>\n\n\n\n<p><strong>\u6539\u5584\u5f8c<\/strong>:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u5f8c\u306e\u30b3\u30fc\u30c9 - \u30c7\u30fc\u30bf\u69cb\u7bc9\u3092\u95a2\u6570\u5316\nfunction generateSalesReport() {\n    $reportData = [\n        'title' =&gt; 'Monthly Sales Report',\n        'date' =&gt; date('Y-m-d'),\n        'departments' =&gt; []\n    ];\n    \n    \/\/ \u51e6\u7406\u3059\u308b\u90e8\u9580\u306e\u30ea\u30b9\u30c8\n    $departments = [\n        'electronics' =&gt; 'Electronics',\n        'clothing' =&gt; 'Clothing',\n        'food' =&gt; 'Food &amp; Groceries',\n        'books' =&gt; 'Books &amp; Media'\n    ];\n    \n    \/\/ \u5404\u90e8\u9580\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\n    foreach ($departments as $deptId =&gt; $deptName) {\n        $deptSales = getDepartmentSales($deptId);\n        if (!$deptSales) {\n            continue;\n        }\n        \n        \/\/ \u90e8\u9580\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u4f5c\u6210\n        $dept = [\n            'name' =&gt; $deptName,\n            'total' =&gt; array_sum(array_column($deptSales, 'amount')),\n            'sales' =&gt; []\n        ];\n        \n        \/\/ \u8ca9\u58f2\u30c7\u30fc\u30bf\u306e\u8ffd\u52a0\n        foreach ($deptSales as $sale) {\n            array_push($dept['sales'], [\n                'product' =&gt; $sale['product'],\n                'amount' =&gt; $sale['amount'],\n                'date' =&gt; $sale['date']\n            ]);\n        }\n        \n        \/\/ \u90e8\u9580\u30c7\u30fc\u30bf\u3092\u30ec\u30dd\u30fc\u30c8\u306b\u8ffd\u52a0\n        array_push($reportData['departments'], $dept);\n    }\n    \n    return $reportData;\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$report = generateSalesReport();\n?&gt;\n<\/pre>\n\n\n\n<p>\u3053\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u3001\u7e70\u308a\u8fd4\u3057\u30b3\u30fc\u30c9\u3092\u6392\u9664\u3057\u3001\u5404\u90e8\u9580\u306e\u51e6\u7406\u3092\u30eb\u30fc\u30d7\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<code>array_push()<\/code>\u306e\u4f7f\u7528\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u3078\u306e\u8ffd\u52a0\u304c\u660e\u793a\u7684\u306b\u306a\u308a\u3001\u30b3\u30fc\u30c9\u306e\u610f\u56f3\u304c\u660e\u78ba\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-69\">\u53ef\u8aad\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u305f\u3081\u306e\u30d2\u30f3\u30c8<\/h3>\n\n\n\n<p>\u30b3\u30fc\u30c9\u306e\u6700\u9069\u5316\u3067\u306f\u3001\u53ef\u8aad\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u3001<code>array_push()<\/code>\u3092\u4f7f\u3046\u969b\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u305f\u3081\u306e\u30d2\u30f3\u30c8\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-70\">1. \u4e00\u8cab\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b<\/h4>\n\n\n\n<p>\u30c1\u30fc\u30e0\u5185\u3067\u914d\u5217\u64cd\u4f5c\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u7d71\u4e00\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30b9\u30bf\u30a4\u30eb\u306e\u9078\u629e\u80a2\nfunction processItems($items) {\n    $result = [];\n    \n    \/\/ \u30b9\u30bf\u30a4\u30eb1: \u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u4e00\u8cab\u3057\u3066\u4f7f\u7528\n    foreach ($items as $item) {\n        if (validateItem($item)) {\n            $result[] = processItem($item);\n        }\n    }\n    \n    \/\/ \u30b9\u30bf\u30a4\u30eb2: array_push()\u3092\u4e00\u8cab\u3057\u3066\u4f7f\u7528\n    foreach ($items as $item) {\n        if (validateItem($item)) {\n            array_push($result, processItem($item));\n        }\n    }\n    \n    \/\/ \u30b9\u30bf\u30a4\u30eb3: \u6df7\u5408\u4f7f\u7528 - \u63a8\u5968\u3055\u308c\u306a\u3044\n    foreach ($items as $item) {\n        if (validateItem($item)) {\n            $result[] = processItem($item);  \/\/ \u3053\u3053\u3067\u306f\u62ec\u5f27\u6f14\u7b97\u5b50\n        } else {\n            array_push($result, createDefaultItem());  \/\/ \u3053\u3053\u3067\u306farray_push\n        }\n    }\n    \n    return $result;\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-71\">2. \u30b3\u30e1\u30f3\u30c8\u3067\u610f\u56f3\u3092\u660e\u78ba\u306b\u3059\u308b<\/h4>\n\n\n\n<p>\u7279\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306b\u7279\u5b9a\u306e\u65b9\u6cd5\u3092\u9078\u3093\u3060\u5834\u5408\u3001\u305d\u306e\u610f\u56f3\u3092\u30b3\u30e1\u30f3\u30c8\u3067\u660e\u8a18\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nfunction processLargeDataSet($data) {\n    $result = [];\n    \n    \/\/ \u5927\u91cf\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u4f7f\u7528\n    $batch = [];\n    $batchSize = 1000;\n    \n    foreach ($data as $index =&gt; $item) {\n        \/\/ \u30d0\u30c3\u30c1\u306b\u30a2\u30a4\u30c6\u30e0\u3092\u8ffd\u52a0\n        $batch[] = processItem($item);  \/\/ \u5358\u4e00\u8981\u7d20\u8ffd\u52a0\u306b\u306f\u62ec\u5f27\u6f14\u7b97\u5b50\u304c\u9ad8\u901f\n        \n        \/\/ \u30d0\u30c3\u30c1\u304c\u6e80\u676f\u306b\u306a\u3063\u305f\u304b\u3001\u6700\u5f8c\u306e\u30a2\u30a4\u30c6\u30e0\u306b\u9054\u3057\u305f\u3089\u51e6\u7406\n        if (count($batch) &gt;= $batchSize || $index === count($data) - 1) {\n            \/\/ \u4e00\u5ea6\u306b\u8907\u6570\u8981\u7d20\u3092\u8ffd\u52a0\uff08\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\uff09\n            array_push($result, ...$batch);\n            $batch = [];\n        }\n    }\n    \n    return $result;\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-72\">3. \u9069\u5207\u306a\u5834\u9762\u3067\u9069\u5207\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u9078\u3076<\/h4>\n\n\n\n<p>\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u6700\u9069\u306a\u65b9\u6cd5\u3092\u9078\u3076\u3053\u3068\u3067\u3001\u53ef\u8aad\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4e21\u65b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nfunction optimizedArrayOperations($data) {\n    \/\/ \u30b1\u30fc\u30b91: \u5358\u4e00\u8981\u7d20\u306e\u8ffd\u52a0 - \u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\n    $singleItems = [];\n    $singleItems[] = 'item1';  \/\/ \u6700\u3082\u7c21\u6f54\u3067\u9ad8\u901f\n    \n    \/\/ \u30b1\u30fc\u30b92: \u8907\u6570\u8981\u7d20\u306e\u4e00\u62ec\u8ffd\u52a0 - array_push\u3092\u4f7f\u7528\n    $multiItems = [];\n    array_push($multiItems, 'item1', 'item2', 'item3');  \/\/ \u610f\u56f3\u304c\u660e\u78ba\n    \n    \/\/ \u30b1\u30fc\u30b93: \u914d\u5217\u306e\u30de\u30fc\u30b8 - array_merge\u3092\u4f7f\u7528\n    $combined = array_merge($array1, $array2);  \/\/ \u65b0\u3057\u3044\u914d\u5217\u3092\u4f5c\u6210\n    \n    \/\/ \u30b1\u30fc\u30b94: \u6761\u4ef6\u4ed8\u304d\u8ffd\u52a0 - \u62ec\u5f27\u6f14\u7b97\u5b50\u304c\u9069\u5207\n    if ($condition) {\n        $conditionalItems[] = 'conditional_item';  \/\/ \u30b7\u30f3\u30d7\u30eb\u306a\u6761\u4ef6\u4ed8\u304d\u8ffd\u52a0\n    }\n    \n    \/\/ \u30b1\u30fc\u30b95: \u8907\u96d1\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u8ffd\u52a0 - array_push\u3067\u610f\u56f3\u3092\u660e\u78ba\u306b\n    array_push($complexObjects, [\n        'id' =&gt; generateId(),\n        'name' =&gt; 'Complex Object',\n        'properties' =&gt; [\n            'prop1' =&gt; 'value1',\n            'prop2' =&gt; 'value2'\n        ]\n    ]);\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-73\">4. \u30de\u30a4\u30af\u30ed\u6700\u9069\u5316\u306b\u56fa\u57f7\u3057\u306a\u3044<\/h4>\n\n\n\n<p>\u5c0f\u898f\u6a21\u306a\u6700\u9069\u5316\u306b\u6642\u9593\u3092\u304b\u3051\u3059\u304e\u308b\u3088\u308a\u3082\u3001\u5168\u4f53\u7684\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u6539\u5584\u306b\u6ce8\u529b\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u30de\u30a4\u30af\u30ed\u6700\u9069\u5316\u306e\u4f8b - \u3053\u306e\u7a0b\u5ea6\u306e\u9055\u3044\u306f\u901a\u5e38\u7121\u8996\u3067\u304d\u308b\nfunction microOptimizedFunction($items) {\n    $result = [];\n    \n    \/\/ \u30d0\u30fc\u30b8\u30e7\u30f31: array_push()\n    $start = microtime(true);\n    foreach ($items as $item) {\n        array_push($result, $item);\n    }\n    $time1 = microtime(true) - $start;\n    \n    \/\/ \u30d0\u30fc\u30b8\u30e7\u30f32: \u62ec\u5f27\u6f14\u7b97\u5b50\n    $result = [];\n    $start = microtime(true);\n    foreach ($items as $item) {\n        $result[] = $item;\n    }\n    $time2 = microtime(true) - $start;\n    \n    echo \"array_push(): \" . $time1 . \" \u79d2\\n\";\n    echo \"\u62ec\u5f27\u6f14\u7b97\u5b50: \" . $time2 . \" \u79d2\\n\";\n    echo \"\u5dee: \" . abs($time1 - $time2) . \" \u79d2\\n\";\n    \n    \/\/ \u3053\u306e\u30ec\u30d9\u30eb\u306e\u6700\u9069\u5316\u3088\u308a\u3082\u91cd\u8981\u306a\u306e\u306f\uff1a\n    \/\/ - \u9069\u5207\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u9078\u629e\n    \/\/ - \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30a8\u30ea\u306e\u6700\u9069\u5316\n    \/\/ - \u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528\n    \/\/ - \u975e\u52b9\u7387\u306a\u30eb\u30fc\u30d7\u306e\u524a\u6e1b\n}\n?&gt;\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-74\">\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-75\">1. \u578b\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u306e\u89e3\u6c7a<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nfunction safeArrayPush(&amp;$array, ...$values) {\n    \/\/ \u914d\u5217\u3067\u306a\u3044\u5834\u5408\u306f\u521d\u671f\u5316\n    if (!is_array($array)) {\n        $array = [];\n        \n        \/\/ \u30ed\u30b0\u307e\u305f\u306f\u8b66\u544a\u3092\u51fa\u529b\uff08\u958b\u767a\u74b0\u5883\u306e\u307f\uff09\n        if (defined('DEBUG') &amp;&amp; DEBUG) {\n            error_log('Warning: Non-array converted to array in safeArrayPush');\n        }\n    }\n    \n    \/\/ \u5024\u306e\u8ffd\u52a0\n    return array_push($array, ...$values);\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$data = null;  \/\/ \u672c\u6765\u306f\u914d\u5217\u3067\u3042\u308b\u3079\u304d\u3060\u304c\u3001null\u304c\u6e21\u3055\u308c\u305f\nsafeArrayPush($data, 'item1', 'item2');\nprint_r($data);  \/\/ Array ( [0] =&gt; item1 [1] =&gt; item2 )\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-76\">2. \u53c2\u7167\u3068\u5024\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\n\/\/ \u53c2\u7167\u306e\u554f\u984c\u3092\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u4f8b\nfunction debugArrayOperations() {\n    \/\/ \u914d\u5217\u3092\u4f5c\u6210\n    $original = [1, 2, 3];\n    \n    \/\/ \u53c2\u7167\u6e21\u3057\u3067\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\n    modifyArray($original);\n    \n    \/\/ \u5909\u66f4\u5f8c\u306e\u914d\u5217\u3092\u78ba\u8a8d\n    echo \"\u5909\u66f4\u5f8c\u306e\u914d\u5217:\\n\";\n    print_r($original);\n    \n    \/\/ \u5024\u6e21\u3057\u3068\u53c2\u7167\u6e21\u3057\u306e\u9055\u3044\u3092\u78ba\u8a8d\n    $array1 = [1, 2, 3];\n    $array2 = $array1;            \/\/ \u5024\u6e21\u3057\n    $array3 = &amp;$array1;          \/\/ \u53c2\u7167\u6e21\u3057\n    \n    array_push($array2, 4);      \/\/ $array1\u306b\u306f\u5f71\u97ff\u3057\u306a\u3044\n    array_push($array3, 5);      \/\/ $array1\u3082\u5909\u66f4\u3055\u308c\u308b\n    \n    echo \"array1: \";\n    print_r($array1);            \/\/ [1, 2, 3, 5]\n    \n    echo \"array2: \";\n    print_r($array2);            \/\/ [1, 2, 3, 4]\n    \n    echo \"array3: \";\n    print_r($array3);            \/\/ [1, 2, 3, 5]\n}\n\nfunction modifyArray(&amp;$array) {\n    \/\/ \u914d\u5217\u3092\u5909\u66f4\n    array_push($array, 4, 5, 6);\n    \n    \/\/ \u30c7\u30d0\u30c3\u30b0\u60c5\u5831\u3092\u51fa\u529b\n    echo \"\u95a2\u6570\u5185\u3067\u306e\u914d\u5217:\\n\";\n    print_r($array);\n}\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-77\">3. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306e\u7279\u5b9a<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nfunction identifyBottlenecks($items, $iterations = 1000) {\n    $methods = [\n        'array_push() \u5358\u4e00\u8981\u7d20' =&gt; function() use ($items) {\n            $result = [];\n            foreach ($items as $item) {\n                array_push($result, $item);\n            }\n            return $result;\n        },\n        '\u62ec\u5f27\u6f14\u7b97\u5b50[]' =&gt; function() use ($items) {\n            $result = [];\n            foreach ($items as $item) {\n                $result[] = $item;\n            }\n            return $result;\n        },\n        'array_push() \u8907\u6570\u8981\u7d20\u30d0\u30c3\u30c1' =&gt; function() use ($items) {\n            $result = [];\n            $batch = [];\n            $batchSize = 100;\n            \n            foreach ($items as $index =&gt; $item) {\n                $batch[] = $item;\n                \n                if (count($batch) &gt;= $batchSize || $index === count($items) - 1) {\n                    array_push($result, ...$batch);\n                    $batch = [];\n                }\n            }\n            return $result;\n        },\n        'array_merge()' =&gt; function() use ($items) {\n            $result = [];\n            $batch = [];\n            $batchSize = 100;\n            \n            foreach ($items as $index =&gt; $item) {\n                $batch[] = $item;\n                \n                if (count($batch) &gt;= $batchSize || $index === count($items) - 1) {\n                    $result = array_merge($result, $batch);\n                    $batch = [];\n                }\n            }\n            return $result;\n        }\n    ];\n    \n    $results = [];\n    \n    \/\/ \u5404\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u884c\u6642\u9593\u3092\u6e2c\u5b9a\n    foreach ($methods as $name =&gt; $method) {\n        $start = microtime(true);\n        \n        \/\/ \u8907\u6570\u56de\u7e70\u308a\u8fd4\u3057\u3066\u5e73\u5747\u3092\u53d6\u308b\n        for ($i = 0; $i &lt; $iterations; $i++) {\n            $method();\n        }\n        \n        $time = (microtime(true) - $start) \/ $iterations;\n        $results[$name] = $time;\n        \n        echo \"{$name}: \" . sprintf(\"%.6f\", $time) . \" \u79d2\\n\";\n    }\n    \n    \/\/ \u6700\u901f\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u7279\u5b9a\n    $fastest = array_keys($results, min($results))[0];\n    echo \"\\n\u6700\u901f\u306e\u30e1\u30bd\u30c3\u30c9: {$fastest}\\n\";\n    \n    \/\/ \u7d50\u679c\u3092\u8fd4\u3059\n    return $results;\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$testData = range(1, 1000);\nidentifyBottlenecks($testData, 100);\n?&gt;\n<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-78\">4. \u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u76e3\u8996<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nfunction monitorMemoryUsage() {\n    \/\/ \u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u76e3\u8996\u3092\u6709\u52b9\u5316\n    $initialMemory = memory_get_usage();\n    echo \"\u521d\u671f\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf: \" . formatBytes($initialMemory) . \"\\n\";\n    \n    \/\/ \u5c0f\u3055\u306a\u914d\u5217\u3092\u4f5c\u6210\n    $smallArray = [];\n    for ($i = 0; $i &lt; 1000; $i++) {\n        array_push($smallArray, str_repeat('x', 100));\n    }\n    \n    $afterSmall = memory_get_usage();\n    echo \"\u5c0f\u3055\u306a\u914d\u5217\u4f5c\u6210\u5f8c: \" . formatBytes($afterSmall) . \"\\n\";\n    echo \"\u5dee\u5206: \" . formatBytes($afterSmall - $initialMemory) . \"\\n\\n\";\n    \n    \/\/ \u5927\u304d\u306a\u914d\u5217\u3092\u4f5c\u6210\n    $largeArray = [];\n    for ($i = 0; $i &lt; 10000; $i++) {\n        array_push($largeArray, str_repeat('x', 1000));\n    }\n    \n    $afterLarge = memory_get_usage();\n    echo \"\u5927\u304d\u306a\u914d\u5217\u4f5c\u6210\u5f8c: \" . formatBytes($afterLarge) . \"\\n\";\n    echo \"\u5dee\u5206: \" . formatBytes($afterLarge - $afterSmall) . \"\\n\\n\";\n    \n    \/\/ \u914d\u5217\u3092\u30af\u30ea\u30a2\n    unset($smallArray);\n    unset($largeArray);\n    \n    $afterClear = memory_get_usage();\n    echo \"\u914d\u5217\u30af\u30ea\u30a2\u5f8c: \" . formatBytes($afterClear) . \"\\n\";\n    echo \"\u5dee\u5206: \" . formatBytes($afterClear - $initialMemory) . \"\\n\";\n    \n    \/\/ \u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u5f37\u5236\n    gc_collect_cycles();\n    \n    $afterGC = memory_get_usage();\n    echo \"GC\u5f8c: \" . formatBytes($afterGC) . \"\\n\";\n    echo \"\u5dee\u5206: \" . formatBytes($afterGC - $initialMemory) . \"\\n\";\n}\n\n\/\/ \u30d0\u30a4\u30c8\u6570\u3092\u4eba\u9593\u304c\u8aad\u307f\u3084\u3059\u3044\u5f62\u5f0f\u306b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\nfunction formatBytes($bytes, $precision = 2) {\n    $units = ['B', 'KB', 'MB', 'GB', 'TB'];\n    \n    $bytes = max($bytes, 0);\n    $pow = floor(($bytes ? log($bytes) : 0) \/ log(1024));\n    $pow = min($pow, count($units) - 1);\n    \n    $bytes \/= pow(1024, $pow);\n    \n    return round($bytes, $precision) . ' ' . $units[$pow];\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nmonitorMemoryUsage();\n?&gt;\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-79\">\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u6700\u9069\u5316\u306e\u7dcf\u62ec<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u95a2\u6570\u3092\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u5b9f\u8df5\u7684\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9069\u5207\u306a\u5834\u9762\u3067\u306e\u4f7f\u7528<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u5358\u4e00\u8981\u7d20\u306e\u8ffd\u52a0\u306b\u306f\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code><\/li>\n\n\n\n<li>\u8907\u6570\u8981\u7d20\u306e\u8ffd\u52a0\u306b\u306f<code>array_push()<\/code><\/li>\n\n\n\n<li>\u8907\u6570\u914d\u5217\u306e\u30de\u30fc\u30b8\u306b\u306f<code>array_merge()<\/code>\u307e\u305f\u306f<code>array_push(...$array)<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3092\u512a\u5148<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u4e00\u8cab\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u3092\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u610f\u56f3\u3092\u660e\u78ba\u306b\u3059\u308b\u30b3\u30e1\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b<\/li>\n\n\n\n<li>\u81ea\u5df1\u6587\u66f8\u5316\u30b3\u30fc\u30c9\u3092\u5fc3\u304c\u3051\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30d1\u30b9\u3067\u306f\u6700\u9069\u306a\u65b9\u6cd5\u3092\u9078\u629e<\/li>\n\n\n\n<li>\u30d0\u30c3\u30c1\u51e6\u7406\u3067\u52b9\u7387\u3092\u5411\u4e0a<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u6ce8\u610f<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30a8\u30e9\u30fc\u51e6\u7406\u3068\u30c7\u30d0\u30c3\u30b0<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u578b\u306e\u30c1\u30a7\u30c3\u30af\u3068\u5b89\u5168\u306a\u95a2\u6570\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7279\u5b9a<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u76e3\u8996<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4fdd\u5b88\u6027\u306e\u5411\u4e0a<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u91cd\u8907\u30b3\u30fc\u30c9\u3092\u6392\u9664<\/li>\n\n\n\n<li>\u95a2\u9023\u3059\u308b\u51e6\u7406\u3092\u30b0\u30eb\u30fc\u30d7\u5316<\/li>\n\n\n\n<li>\u6c4e\u7528\u7684\u306a\u95a2\u6570\u3092\u4f5c\u6210<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5b9f\u8df5\u3059\u308b\u3053\u3068\u3067\u3001<code>array_push()<\/code>\u3092\u542b\u3080PHP\u306e\u914d\u5217\u64cd\u4f5c\u3092\u3088\u308a\u52b9\u7387\u7684\u304b\u3064\u4fdd\u5b88\u3057\u3084\u3059\u3044\u30b3\u30fc\u30c9\u306b\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u5185\u5bb9\u3092\u7dcf\u62ec\u3057\u3001PHP\u3067\u306e<code>array_push<\/code>\u6d3b\u7528\u306e\u307e\u3068\u3081\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-80\">\u307e\u3068\u3081\uff1aPHP\u3067\u306earray_push\u6d3b\u7528\u306e\u7dcf\u62ec\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001PHP\u306e<code>array_push()<\/code>\u95a2\u6570\u306b\u3064\u3044\u3066\u5fb9\u5e95\u7684\u306b\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u5b9f\u52d9\u3067\u306e\u5fdc\u7528\u4f8b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u307e\u3067\u3001<code>array_push()<\/code>\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u305f\u3081\u306e\u77e5\u8b58\u3092\u7db2\u7f85\u3057\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u5185\u5bb9\u3092\u7dcf\u62ec\u3057\u3001\u3055\u3089\u306b\u5b66\u7fd2\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u3064\u3044\u3066\u63d0\u6848\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-81\">\u672c\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u30ad\u30fc\u30dd\u30a4\u30f3\u30c8\u306e\u518d\u78ba\u8a8d<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-82\">1. array_push\u306e\u57fa\u672c<\/h4>\n\n\n\n<p><code>array_push()<\/code>\u306f\u3001\u914d\u5217\u306e\u672b\u5c3e\u306b\u4e00\u3064\u4ee5\u4e0a\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308bPHP\u306e\u7d44\u307f\u8fbc\u307f\u95a2\u6570\u3067\u3059\u3002\u305d\u306e\u57fa\u672c\u69cb\u6587\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int array_push(array &amp;$array, mixed ...$values): int\n<\/pre>\n\n\n\n<p>\u3053\u306e\u95a2\u6570\u306f\u5143\u306e\u914d\u5217\u3092\u53c2\u7167\u6e21\u3057\u3067\u5909\u66f4\u3057\u3001\u64cd\u4f5c\u5f8c\u306e\u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-83\">2. \u62ec\u5f27\u6f14\u7b97\u5b50\u3068\u306e\u4f7f\u3044\u5206\u3051<\/h4>\n\n\n\n<p><code>array_push()<\/code>\u3068\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u306f\u4f3c\u305f\u6a5f\u80fd\u3092\u6301\u3061\u307e\u3059\u304c\u3001\u4f7f\u3044\u5206\u3051\u308b\u30dd\u30a4\u30f3\u30c8\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5358\u4e00\u8981\u7d20\u306e\u8ffd\u52a0<\/strong>: \u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u304c\u9ad8\u901f\u3067\u30b7\u30f3\u30d7\u30eb<\/li>\n\n\n\n<li><strong>\u8907\u6570\u8981\u7d20\u306e\u4e00\u62ec\u8ffd\u52a0<\/strong>: <code>array_push()<\/code>\u304c\u660e\u793a\u7684\u3067\u610f\u56f3\u304c\u660e\u78ba<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>: \u62ec\u5f27\u6f14\u7b97\u5b50\u304c\u4e00\u822c\u7684\u306b\u9ad8\u901f\u3060\u304c\u3001\u8907\u6570\u8981\u7d20\u8ffd\u52a0\u3067\u306f<code>array_push()<\/code>\u3082\u52b9\u7387\u7684<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-84\">3. \u8907\u6570\u8981\u7d20\u306e\u8ffd\u52a0\u30c6\u30af\u30cb\u30c3\u30af<\/h4>\n\n\n\n<p>\u8907\u6570\u306e\u8981\u7d20\u3092\u52b9\u7387\u7684\u306b\u8ffd\u52a0\u3059\u308b\u306b\u306f\u4ee5\u4e0b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8907\u6570\u5f15\u6570<\/strong>: <code>array_push($array, $value1, $value2, $value3)<\/code><\/li>\n\n\n\n<li><strong>\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50<\/strong>: <code>array_push($array, ...$otherArray)<\/code> (PHP 7.4\u4ee5\u964d)<\/li>\n\n\n\n<li><strong>\u30d0\u30c3\u30c1\u51e6\u7406<\/strong>: \u5927\u91cf\u30c7\u30fc\u30bf\u306e\u5834\u5408\u3001\u5c0f\u3055\u306a\u30d0\u30c3\u30c1\u306b\u5206\u3051\u3066\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-85\">4. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h4>\n\n\n\n<p><code>array_push()<\/code>\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30eb\u30fc\u30d7\u5185\u3067\u306e\u5358\u4e00\u8981\u7d20\u8ffd\u52a0\u306b\u306f\u62ec\u5f27\u6f14\u7b97\u5b50\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u5927\u91cf\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u306f\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u691c\u8a0e<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306b\u6ce8\u610f\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-86\">5. \u5b9f\u52d9\u3067\u306e\u5fdc\u7528\u4f8b<\/h4>\n\n\n\n<p><code>array_push()<\/code>\u306f\u69d8\u3005\u306a\u5b9f\u52d9\u30b7\u30ca\u30ea\u30aa\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a9\u30fc\u30e0\u30c7\u30fc\u30bf\u306e\u691c\u8a3c\u3068\u53ce\u96c6<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7d50\u679c\u30bb\u30c3\u30c8\u306e\u62e1\u5f35<\/li>\n\n\n\n<li>JSON\u30c7\u30fc\u30bf\u306e\u69cb\u7bc9\u3068\u64cd\u4f5c<\/li>\n\n\n\n<li>\u591a\u6b21\u5143\u914d\u5217\u306e\u7ba1\u7406<\/li>\n\n\n\n<li>CSV\u30d5\u30a1\u30a4\u30eb\u306e\u51e6\u7406<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30ed\u30b0\u30c7\u30fc\u30bf\u306e\u53ce\u96c6\u3068\u5206\u6790<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-87\">6. \u95a2\u9023\u95a2\u6570\u3068\u306e\u9023\u643a<\/h4>\n\n\n\n<p><code>array_push()<\/code>\u3068\u95a2\u9023\u3059\u308b\u914d\u5217\u64cd\u4f5c\u95a2\u6570\uff08<code>array_pop()<\/code>, <code>array_shift()<\/code>, <code>array_unshift()<\/code>, <code>array_merge()<\/code>\u306a\u3069\uff09\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-88\">7. PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u9593\u306e\u4e92\u63db\u6027<\/h4>\n\n\n\n<p>\u7570\u306a\u308bPHP\u30d0\u30fc\u30b8\u30e7\u30f3\uff085.x, 7.x, 8.x\uff09\u3067<code>array_push()<\/code>\u306e\u6319\u52d5\u306b\u9055\u3044\u304c\u3042\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u4e92\u63db\u6027\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u7279\u306b\u578b\u30c1\u30a7\u30c3\u30af\u306e\u53b3\u683c\u3055\u3084\u30b9\u30d7\u30ec\u30c3\u30c9\u6f14\u7b97\u5b50\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-89\">8. \u30b3\u30fc\u30c9\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h4>\n\n\n\n<p><code>array_push()<\/code>\u3092\u4f7f\u7528\u3057\u305f\u30b3\u30fc\u30c9\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u306b\u3088\u308b\u91cd\u8907\u30b3\u30fc\u30c9\u306e\u524a\u6e1b<\/li>\n\n\n\n<li>\u4e00\u8cab\u3057\u305f\u30b9\u30bf\u30a4\u30eb\u306e\u63a1\u7528<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30b3\u30e1\u30f3\u30c8\u306b\u3088\u308b\u610f\u56f3\u306e\u660e\u78ba\u5316<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-90\">array_push\u30de\u30b9\u30bf\u30fc\u306e\u305f\u3081\u306e\u5b9f\u8df5\u8ab2\u984c<\/h3>\n\n\n\n<p><code>array_push()<\/code>\u306e\u7406\u89e3\u3092\u3055\u3089\u306b\u6df1\u3081\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u5b9f\u8df5\u8ab2\u984c\u306b\u6311\u6226\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-91\">\u8ab2\u984c1: \u30c7\u30fc\u30bf\u53ce\u96c6\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<p>\u30a6\u30a7\u30d6\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u691c\u8a3c\u3057\u3001\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4ee5\u4e0b\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u9808\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u30aa\u30d7\u30b7\u30e7\u30f3\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>\u7121\u52b9\u306a\u30c7\u30fc\u30bf\u306e\u691c\u51fa\u3068\u9069\u5207\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8868\u793a<\/li>\n\n\n\n<li>\u8907\u6570\u9078\u629e\u30d5\u30a3\u30fc\u30eb\u30c9\uff08\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u3001\u30de\u30eb\u30c1\u30bb\u30ec\u30af\u30c8\uff09\u306e\u51e6\u7406<\/li>\n\n\n\n<li>\u691c\u8a3c\u6e08\u307f\u30c7\u30fc\u30bf\u306e\u69cb\u9020\u5316\u3068\u4fdd\u5b58<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-92\">\u8ab2\u984c2: \u30c7\u30fc\u30bf\u5909\u63db\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u306e\u4f5c\u6210<\/h4>\n\n\n\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u3092JSON\u306b\u5909\u63db\u3059\u308b\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4ee5\u4e0b\u306e\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CSV\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3068\u89e3\u6790<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u691c\u8a3c\u3068\u578b\u5909\u63db<\/li>\n\n\n\n<li>JSON\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u69cb\u7bc9<\/li>\n\n\n\n<li>\u7d50\u679c\u306eJSON\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u51fa\u529b<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u3068\u30ed\u30b0\u8a18\u9332<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-93\">\u8ab2\u984c3: \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af<\/h4>\n\n\n\n<p>\u7570\u306a\u308b\u914d\u5217\u64cd\u4f5c\u65b9\u6cd5\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3059\u308b\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>array_push()<\/code>\u3068\u62ec\u5f27\u6f14\u7b97\u5b50<code>[]<\/code>\u306e\u6bd4\u8f03<\/li>\n\n\n\n<li>\u69d8\u3005\u306a\u30b5\u30a4\u30ba\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306e\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u69d8\u3005\u306aPHP\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306e\u6bd4\u8f03<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u6e2c\u5b9a<\/li>\n\n\n\n<li>\u7d50\u679c\u306e\u8996\u899a\u5316\u3068\u5206\u6790<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-94\">\u8ab2\u984c4: \u30c7\u30fc\u30bf\u51e6\u7406\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<p>\u8907\u6570\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u30b9\u30c6\u30c3\u30d7\u3092\u6301\u3064\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5165\u529b\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3068\u691c\u8a3c<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u5909\u63db\u3068\u6b63\u898f\u5316<\/li>\n\n\n\n<li>\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3068\u96c6\u7d04<\/li>\n\n\n\n<li>\u7d50\u679c\u306e\u51fa\u529b\u3068\u4fdd\u5b58<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u51e6\u7406\u3068\u518d\u8a66\u884c\u30e1\u30ab\u30cb\u30ba\u30e0<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8ab2\u984c\u306b\u53d6\u308a\u7d44\u3080\u3053\u3068\u3067\u3001<code>array_push()<\/code>\u3092\u542b\u3080PHP\u306e\u914d\u5217\u64cd\u4f5c\u306e\u5b9f\u8df5\u7684\u306a\u7406\u89e3\u3092\u6df1\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-95\">\u3055\u3089\u306b\u5b66\u7fd2\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u63a8\u5968\u66f8\u7c4d\u30fb\u30b5\u30a4\u30c8<\/h3>\n\n\n\n<p>PHP\u306e\u914d\u5217\u64cd\u4f5c\u3068<code>array_push()<\/code>\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u5b66\u7fd2\u3092\u6df1\u3081\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-96\">\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.php.net\/manual\/ja\/function.array-push.php\">PHP\u516c\u5f0f\u30de\u30cb\u30e5\u30a2\u30eb: array_push<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.php.net\/manual\/ja\/ref.array.php\">PHP\u516c\u5f0f\u30de\u30cb\u30e5\u30a2\u30eb: \u914d\u5217\u95a2\u6570<\/a><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-97\">\u66f8\u7c4d<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u300eModern PHP: New Features and Good Practices\u300fby Josh Lockhart<\/li>\n\n\n\n<li>\u300ePHP 7 \u5b9f\u8df5\u30de\u30b9\u30bf\u30fc\u300fby \u67cf\u5ca1\u79c0\u7537<\/li>\n\n\n\n<li>\u300ePHP Performance Optimization\u300fby Ilia Alshanetsky<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-98\">\u30aa\u30f3\u30e9\u30a4\u30f3\u30ea\u30bd\u30fc\u30b9<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/phptherightway.com\/\">PHP: The Right Way<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/laracasts.com\/\">Laracasts<\/a>\uff08PHP\u3068Laravel\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\uff09<\/li>\n\n\n\n<li><a href=\"https:\/\/www.phpweekly.com\/\">PHP Weekly<\/a>\uff08PHP\u306b\u95a2\u3059\u308b\u6700\u65b0\u60c5\u5831\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-99\">\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u30b5\u30a4\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.codecademy.com\/learn\/learn-php\">Codecademy PHP \u30b3\u30fc\u30b9<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.w3schools.com\/php\/\">W3Schools PHP \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phpschool.io\/\">PHPSchool<\/a><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-100\">\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3068\u30d5\u30a9\u30fc\u30e9\u30e0<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/stackoverflow.com\/questions\/tagged\/php\">Stack Overflow \u2013 PHP<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phpdev.org\/\">PHP Developers Network<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.reddit.com\/r\/PHP\/\">Reddit \u2013 r\/PHP<\/a><\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001PHP\u306e\u914d\u5217\u64cd\u4f5c\u306b\u95a2\u3059\u308b\u77e5\u8b58\u3092\u3055\u3089\u306b\u6df1\u3081\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u80fd\u529b\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-101\">\u7d42\u308f\u308a\u306b<\/h3>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001<code>array_push()<\/code>\u95a2\u6570\u306e\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067\u3001\u5e45\u5e83\u304f\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002PHP\u306e\u914d\u5217\u64cd\u4f5c\u306f\u3001\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u9069\u5207\u306a\u914d\u5217\u64cd\u4f5c\u95a2\u6570\u3092\u9078\u629e\u3057\u3001\u52b9\u7387\u7684\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u901f\u3067\u4fdd\u5b88\u3057\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><code>array_push()<\/code>\u306f\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u95a2\u6570\u3067\u3059\u304c\u3001\u305d\u306e\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3001\u95a2\u9023\u3059\u308b\u95a2\u6570\u3084\u4ee3\u66ff\u624b\u6bb5\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u52b9\u7387\u7684\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u3066\u3001\u3088\u308a\u826f\u3044PHP\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>PHP\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u65c5\u306f\u7d9a\u304d\u307e\u3059\u3002\u5e38\u306b\u65b0\u3057\u3044\u77e5\u8b58\u3092\u5438\u53ce\u3057\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u53d6\u308a\u5165\u308c\u306a\u304c\u3089\u3001\u30b9\u30ad\u30eb\u3092\u5411\u4e0a\u3055\u305b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; 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