{"id":3367,"date":"2025-03-24T08:46:21","date_gmt":"2025-03-23T23:46:21","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=3367"},"modified":"2025-03-24T08:46:52","modified_gmt":"2025-03-23T23:46:52","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%e3%80%91composer%e3%81%a7%e3%83%91%e3%83%83%e3%82%b1%e3%83%bc%e3%82%b8%e3%82%92%e5%ae%89%e5%85%a8%e3%81%ab%e3%82%a2%e3%83%b3%e3%82%a4%e3%83%b3","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=3367","title":{"rendered":"\u3010\u5b8c\u5168\u30ac\u30a4\u30c9\u3011Composer\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5b89\u5168\u306b\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b7\u3064\u306e\u65b9\u6cd5"},"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\">Composer \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981\u306a\u7406\u7531<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u30af\u30ea\u30fc\u30f3\u306b\u8003\u616e\u3059\u308b\u91cd\u8981\u6027<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u4e0d\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u53ca\u307c\u3059\u6f5c\u5728\u7684\u306a\u5f71\u97ff<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">Composer \u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u57fa\u672c\u7684\u306a\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">composer \u524a\u9664\u30b3\u30de\u30f3\u30c9\u306e\u6b63\u3057\u3044\u4f7f\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-5\">composer.json \u304b\u3089\u306e\u4f9d\u5b58\u95a2\u4fc2\u306e\u524a\u9664\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-6\">\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5b89\u5168\u306a\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-7\">\u30b9\u30c6\u30c3\u30d7 1\uff1a\u4f9d\u5b58\u95a2\u4fc2\u306e\u78ba\u8a8d<\/a>      <\/li>      <li>        <a href=\"#i-8\">\u30b9\u30c6\u30c3\u30d7 2\uff1a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u4f5c\u6210<\/a>      <\/li>      <li>        <a href=\"#i-9\">\u30b9\u30c6\u30c3\u30d7 3\uff1a\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u306e\u691c\u8a3c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-10\">\u30b9\u30c6\u30c3\u30d7 4\uff1a\u672c\u756a\u74b0\u5883\u3067\u306e\u5b9f\u884c<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-11\">\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306e\u6ce8\u610f\u70b9\u3068\u554f\u984c\u3092\u56de\u907f\u3059\u308b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-12\">\u4f9d\u5b58\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u9023\u9396\u7684\u306a\u5f71\u97ff\u3092\u9632\u3050\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-13\">\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306e\u52d5\u4f5c\u78ba\u8a8d\u306e\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-14\">\u8907\u6570\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4e00\u62ec\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-15\">\u52b9\u7387\u7684\u306a\u4e00\u62ec\u524a\u9664\u306e\u624b\u9806<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-16\">\u4e00\u62ec\u524a\u9664\u6642\u306e\u30ea\u30b9\u30af\u7ba1\u7406<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-17\">\u958b\u767a\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u3067\u306e\u9055\u3044\u306b\u6ce8\u610f<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-18\">\u74b0\u5883\u3054\u3068\u306e\u8003\u616e\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u74b0\u5883\u5225\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6226\u7565<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-20\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-21\">\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-22\">\u4f9d\u5b58\u95a2\u4fc2\u306e\u89e3\u6c7a\u624b\u6cd5<\/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\">Composer \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981\u306a\u7406\u7531<\/h2>\n\n\n\n<p>PHP\u306e\u958b\u767a\u306b\u304a\u3044\u3066\u3001Composer\u306f\u4f9d\u5b58\u95a2\u4fc2\u7ba1\u7406\u306e\u6a19\u6e96\u30c4\u30fc\u30eb\u3068\u3057\u3066\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u9032\u884c\u3068\u3068\u3082\u306b\u4e0d\u8981\u306b\u306a\u3063\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u9069\u5207\u306b\u7ba1\u7406\u3059\u308b\u3053\u3068\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5065\u5168\u6027\u3092\u4fdd\u3064\u4e0a\u3067\u91cd\u8981\u306a\u8ab2\u984c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u30af\u30ea\u30fc\u30f3\u306b\u8003\u616e\u3059\u308b\u91cd\u8981\u6027<\/h3>\n\n\n\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u9069\u5207\u306b\u7ba1\u7406\u3059\u308b\u3053\u3068\u306f\u3001\u4ee5\u4e0b\u306e\u7406\u7531\u304b\u3089\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306e\u4f4e\u6e1b<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u6f5c\u5728\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30db\u30fc\u30eb\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u8106\u5f31\u6027\u3092\u542b\u3093\u3067\u3044\u308b\u5834\u5408\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5168\u4f53\u304c\u5371\u967a\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3001\u30aa\u30fc\u30c8\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u51e6\u7406\u6642\u9593\u3092\u5897\u52a0\u3055\u305b\u307e\u3059<\/li>\n\n\n\n<li><code>composer install<\/code> \u3084 <code>composer update<\/code> \u306e\u5b9f\u884c\u6642\u9593\u304c\u9577\u304f\u306a\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8d77\u52d5\u6642\u9593\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306e\u5411\u4e0a<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f9d\u5b58\u95a2\u4fc2\u304c\u5c11\u306a\u3044\u307b\u3069\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u7406\u89e3\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u66f4\u65b0\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30c3\u30c1\u306e\u9069\u7528\u304c\u7c21\u5358\u306b\u306a\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30c1\u30fc\u30e0\u5185\u3067\u306e\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u304c\u52b9\u7387\u5316\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u4e0d\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u53ca\u307c\u3059\u6f5c\u5728\u7684\u306a\u5f71\u97ff<\/h3>\n\n\n\n<p>\u4e0d\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6b8b\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f9d\u5b58\u95a2\u4fc2\u306e\u7af6\u5408<\/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=\"\">\/\/ \u4f8b\uff1a\u7570\u306a\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u540c\u3058\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7570\u306a\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\n\/\/ package-a requires symfony\/console:^4.0\n\/\/ package-b requires symfony\/console:^5.0\n\/\/ \u3053\u308c\u306b\u3088\u308a\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u89e3\u6c7a\u304c\u8907\u96d1\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u306e\u7121\u99c4\u9063\u3044<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>vendor<\/code> \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30b5\u30a4\u30ba\u304c\u4e0d\u5fc5\u8981\u306b\u5927\u304d\u304f\u306a\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u6642\u9593\u306e\u5897\u52a0\u306b\u3064\u306a\u304c\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3084\u30ea\u30b9\u30c8\u30a2\u306e\u51e6\u7406\u6642\u9593\u304c\u9577\u304f\u306a\u308a\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u306e\u8907\u96d1\u6027\u5897\u52a0<\/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=\"\">\/\/ \u4f8b\uff1a\u4e0d\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u63d0\u4f9b\u3059\u308b\u6a5f\u80fd\u3068\u91cd\u8907\u3059\u308b\u5b9f\u88c5\nuse Unused\\Package\\Validator;  \/\/ \u53e4\u3044\u5b9f\u88c5\nuse NewProject\\Validation\\Validator;  \/\/ \u65b0\u3057\u3044\u5b9f\u88c5\n\n\/\/ \u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u5185\u3067\u6df7\u5728\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\n$oldValidator = new Unused\\Package\\Validator();\n$newValidator = new NewProject\\Validation\\Validator();<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u4e88\u671f\u305b\u306c\u526f\u4f5c\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u72b6\u614b\u3084\u8a2d\u5b9a\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u30d1\u30c3\u30b1\u30fc\u30b8<\/li>\n\n\n\n<li>\u30aa\u30fc\u30c8\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u9806\u5e8f\u306b\u4f9d\u5b58\u3059\u308b\u554f\u984c<\/li>\n\n\n\n<li>\u540d\u524d\u7a7a\u9593\u306e\u885d\u7a81<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u554f\u984c\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u5b9a\u671f\u7684\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u898b\u76f4\u3057\u3068\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u304c\u91cd\u8981\u3067\u3059\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u6700\u5c0f\u9650\u306b\u4fdd\u3064\u3053\u3068\u3067\u3001\u958b\u767a\u52b9\u7387\u306e\u5411\u4e0a\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">Composer \u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u57fa\u672c\u7684\u306a\u65b9\u6cd5<\/h2>\n\n\n\n<p>Composer\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u306b\u306f\u3001\u4e3b\u306b2\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3068\u3001composer.json\u3092\u76f4\u63a5\u7de8\u96c6\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u3068\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">composer \u524a\u9664\u30b3\u30de\u30f3\u30c9\u306e\u6b63\u3057\u3044\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p><code>composer remove<\/code> \u30b3\u30de\u30f3\u30c9\u306f\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5b89\u5168\u306b\u524a\u9664\u3059\u308b\u305f\u3081\u306e\u63a8\u5968\u3055\u308c\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u4ee5\u4e0b\u306e\u51e6\u7406\u3092\u81ea\u52d5\u7684\u306b\u884c\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/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=\"\"># \u5358\u4e00\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u524a\u9664\ncomposer remove vendor\/package-name\n\n# \u958b\u767a\u74b0\u5883\u306e\u307f\u3067\u4f7f\u7528\u3057\u3066\u3044\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u524a\u9664\ncomposer remove --dev vendor\/package-name\n\n# \u8907\u6570\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u540c\u6642\u306b\u524a\u9664\ncomposer remove vendor\/package1 vendor\/package2<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6d3b\u7528<\/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=\"\"># \u4f9d\u5b58\u95a2\u4fc2\u306e\u66f4\u65b0\u3092\u30b9\u30ad\u30c3\u30d7\ncomposer remove --no-update vendor\/package-name\n\n# \u53b3\u5bc6\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3046\ncomposer remove --strict vendor\/package-name\n\n# \u524a\u9664\u51e6\u7406\u306e\u8a73\u7d30\u3092\u8868\u793a\ncomposer remove -v vendor\/package-name<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u81ea\u52d5\u7684\u306b\u5b9f\u884c\u3055\u308c\u308b\u51e6\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>composer.json\u304b\u3089\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u8a18\u8ff0\u3092\u524a\u9664<\/li>\n\n\n\n<li>composer.lock\u306e\u66f4\u65b0<\/li>\n\n\n\n<li>vendor \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304b\u3089\u30d1\u30c3\u30b1\u30fc\u30b8\u30d5\u30a1\u30a4\u30eb\u306e\u524a\u9664<\/li>\n\n\n\n<li>\u4f9d\u5b58\u95a2\u4fc2\u306e\u518d\u8a08\u7b97\u3068\u66f4\u65b0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">composer.json \u304b\u3089\u306e\u4f9d\u5b58\u95a2\u4fc2\u306e\u524a\u9664\u65b9\u6cd5<\/h3>\n\n\n\n<p>composer.json\u3092\u76f4\u63a5\u7de8\u96c6\u3057\u3066\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u6709\u7528\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>composer.json\u306e\u69cb\u9020<\/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=\"\">{\n    \"require\": {\n        \"php\": \"&gt;=7.4\",\n        \"vendor\/package-to-remove\": \"^2.0\",\n        \"vendor\/required-package\": \"^1.0\"\n    },\n    \"require-dev\": {\n        \"vendor\/dev-package-to-remove\": \"^1.0\"\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u624b\u52d5\u524a\u9664\u306e\u624b\u9806<\/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=\"\"># 1. composer.json\u304b\u3089\u8a72\u5f53\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u884c\u3092\u524a\u9664\n# 2. \u4f9d\u5b58\u95a2\u4fc2\u3092\u66f4\u65b0\ncomposer update\n\n# \u307e\u305f\u306f\u3001\u30ed\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u3082\u542b\u3081\u3066\u5b8c\u5168\u306b\u30ea\u30d5\u30ec\u30c3\u30b7\u30e5\ncomposer update --prefer-dist<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u3053\u306e\u65b9\u6cd5\u3092\u9078\u3076\u72b6\u6cc1<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u5909\u66f4\u3092\u660e\u78ba\u306b\u8ffd\u8de1\u3057\u305f\u3044\u5834\u5408<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4e00\u62ec\u3067\u6574\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408<\/li>\n\n\n\n<li>CI\/CD\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u306e\u81ea\u52d5\u5316\u51e6\u7406\u306e\u4e00\u90e8\u3068\u3057\u3066\u5b9f\u884c\u3059\u308b\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u6ce8\u610f\u70b9<\/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=\"\">\/\/ \u524a\u9664\u524d\u306b\u4ee5\u4e0b\u306e\u70b9\u3092\u78ba\u8a8d\nif (class_exists('Vendor\\Package\\SomeClass')) {\n    \/\/ \u3053\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u5185\u306b\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\n    $instance = new \\Vendor\\Package\\SomeClass();\n}\n\n\/\/ \u4ee3\u66ff\u5b9f\u88c5\u306e\u6e96\u5099\n\/\/ \u524a\u9664\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u7b87\u6240\u3092\u7279\u5b9a\u3057\u3001\n\/\/ \u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ee3\u66ff\u5b9f\u88c5\u3092\u7528\u610f\u3059\u308b<\/pre>\n\n\n\n<p>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u306e\u524a\u9664\u3068\u624b\u52d5\u524a\u9664\u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u306f\u3001\u4ee5\u4e0b\u306e\u8981\u56e0\u306b\u57fa\u3065\u3044\u3066\u5224\u65ad\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u898f\u6a21<\/li>\n\n\n\n<li>\u30c1\u30fc\u30e0\u306e\u958b\u767a\u30d5\u30ed\u30fc<\/li>\n\n\n\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u306e\u8981\u4ef6<\/li>\n\n\n\n<li>\u81ea\u52d5\u5316\u306e\u5fc5\u8981\u6027<\/li>\n<\/ul>\n\n\n\n<p>\u3069\u3061\u3089\u306e\u65b9\u6cd5\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u524a\u9664\u5f8c\u306f\u5fc5\u305a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u78ba\u8a8d\u3092\u884c\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u3001\u524a\u9664\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u4ed6\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u306a\u3044\u304b\u3092\u4e8b\u524d\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u4e88\u671f\u305b\u306c\u554f\u984c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-6\">\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5b89\u5168\u306a\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806<\/h2>\n\n\n\n<p>\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5b89\u5b9a\u6027\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u91cd\u8981\u306a\u64cd\u4f5c\u3067\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001\u5b89\u5168\u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u305f\u3081\u306e\u8a73\u7d30\u306a\u624b\u9806\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30b9\u30c6\u30c3\u30d7 1\uff1a\u4f9d\u5b58\u95a2\u4fc2\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p>\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u524d\u306e\u4f9d\u5b58\u95a2\u4fc2\u30c1\u30a7\u30c3\u30af\u306f\u3001\u6700\u3082\u91cd\u8981\u306a\u6e96\u5099\u4f5c\u696d\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u76f4\u63a5\u7684\u306a\u4f9d\u5b58\u95a2\u4fc2\u306e\u78ba\u8a8d<\/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=\"\"># \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u8868\u793a\ncomposer depends vendor\/package-name\n\n# \u8a73\u7d30\u306a\u4f9d\u5b58\u95a2\u4fc2\u30c4\u30ea\u30fc\u3092\u8868\u793a\ncomposer depends -t vendor\/package-name\n\n# \u306a\u305c\u305d\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5fc5\u8981\u3068\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\ncomposer why vendor\/package-name<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u9593\u63a5\u7684\u306a\u4f9d\u5b58\u95a2\u4fc2\u306e\u5206\u6790<\/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=\"\">\/\/ \u4f9d\u5b58\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u63d0\u4f9b\u3057\u3066\u3044\u308b\u6a5f\u80fd\u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u78ba\u8a8d\n\/\/ \u4f8b\uff1a\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u305f\u4f7f\u7528\u7b87\u6240\u306e\u7279\u5b9a\n$finder = PhpCsFixer\\Finder::create()\n    -&gt;in(__DIR__)\n    -&gt;name('*.php')\n    -&gt;contains('use Vendor\\Package');<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u30b9\u30c6\u30c3\u30d7 2\uff1a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u4f5c\u6210<\/h3>\n\n\n\n<p>\u5b89\u5168\u306a\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u6210\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u91cd\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/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=\"\"># \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e3b\u8981\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\ncp composer.json composer.json.backup\ncp composer.lock composer.lock.backup\n\n# vendor\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\uff08\u5fc5\u8981\u306b\u5fdc\u3058\u3066\uff09\ntar -czf vendor_backup.tar.gz vendor\/<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff08\u5fc5\u8981\u306a\u5834\u5408\uff09<\/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=\"\"># MySQL\u306e\u5834\u5408\nmysqldump -u username -p database_name &gt; backup.sql\n\n# PostgreSQL\u306e\u5834\u5408\npg_dump database_name &gt; backup.sql<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30b9\u30c6\u30c3\u30d7 3\uff1a\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u306e\u691c\u8a3c<\/h3>\n\n\n\n<p>\u672c\u756a\u74b0\u5883\u3067\u306e\u5b9f\u884c\u524d\u306b\u3001\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u4ee5\u4e0b\u306e\u691c\u8a3c\u3092\u884c\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c6\u30b9\u30c8\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/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=\"\"># \u30c6\u30b9\u30c8\u74b0\u5883\u306e\u30af\u30ed\u30fc\u30f3\u3092\u4f5c\u6210\ngit clone project-repository test-environment\ncd test-environment\n\n# \u4f9d\u5b58\u95a2\u4fc2\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\ncomposer install\n\n# \u30c6\u30b9\u30c8\u7528\u306e\u8a2d\u5b9a\u3092\u9069\u7528\ncp .env.testing .env<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u306e\u5b9f\u884c<\/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=\"\"># \u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u306e\u5b9f\u884c\n.\/vendor\/bin\/phpunit\n\n# \u7d71\u5408\u30c6\u30b9\u30c8\u306e\u5b9f\u884c\n.\/vendor\/bin\/phpunit --testsuite integration\n\n# \u30b3\u30fc\u30c9\u30b9\u30bf\u30a4\u30eb\u30c1\u30a7\u30c3\u30af\n.\/vendor\/bin\/php-cs-fixer fix --dry-run --diff<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u30b9\u30c6\u30c3\u30d7 4\uff1a\u672c\u756a\u74b0\u5883\u3067\u306e\u5b9f\u884c<\/h3>\n\n\n\n<p>\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u306e\u691c\u8a3c\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u672c\u756a\u74b0\u5883\u3067\u306e\u5b9f\u884c\u306b\u79fb\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30d7\u30ed\u30a4\u524d\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30e2\u30fc\u30c9\u306e\u6709\u52b9\u5316<\/li>\n\n\n\n<li>\u73fe\u5728\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u7d42\u4e86\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u306e\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b9f\u884c\u624b\u9806<\/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=\"\"># \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30e2\u30fc\u30c9\u3092\u6709\u52b9\u5316\nphp artisan down  # Laravel\u306e\u5834\u5408\n\n# \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\ncomposer remove vendor\/package-name\n\n# \u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2\ncomposer dump-autoload\nphp artisan cache:clear  # Laravel\u306e\u5834\u5408\n\n# \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30e2\u30fc\u30c9\u3092\u89e3\u9664\nphp artisan up  # Laravel\u306e\u5834\u5408<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30c7\u30d7\u30ed\u30a4\u5f8c\u306e\u78ba\u8a8d\u4e8b\u9805<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6b63\u5e38\u52d5\u4f5c\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u76e3\u8996<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e1\u30c8\u30ea\u30af\u30b9\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30e6\u30fc\u30b6\u30fc\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u5fa9\u5e30\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u78ba\u8a8d\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u72b6\u614b\u3092\u691c\u8a3c\u3057\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=\"\">\/\/ \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5065\u5168\u6027\u30c1\u30a7\u30c3\u30af\ntry {\n    \/\/ \u91cd\u8981\u306a\u6a5f\u80fd\u306e\u30c6\u30b9\u30c8\n    $result = App\\Services\\CriticalService::check();\n\n    \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u8a8d\n    $db = DB::connection()-&gt;getPdo();\n\n    \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30b7\u30b9\u30c6\u30e0\u306e\u78ba\u8a8d\n    Cache::put('test_key', 'test_value', 300);\n    $cached = Cache::get('test_key');\n\n    \/\/ \u30e1\u30fc\u30eb\u9001\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u78ba\u8a8d\n    Mail::raw('Test email', function($message) {\n        $message-&gt;to('admin@example.com')\n                -&gt;subject('System Check');\n    });\n\n    echo \"All systems operational\";\n} catch (\\Exception $e) {\n    \/\/ \u30a8\u30e9\u30fc\u30ed\u30b0\u306b\u8a18\u9332\n    Log::error('Post-deployment check failed: ' . $e-&gt;getMessage());\n\n    \/\/ \u7ba1\u7406\u8005\u306b\u901a\u77e5\n    NotificationService::alert('Deployment issue detected');\n}<\/pre>\n\n\n\n<p>\u5404\u30b9\u30c6\u30c3\u30d7\u3092\u614e\u91cd\u306b\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u4f34\u3046\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u672c\u756a\u74b0\u5883\u3067\u306e\u5b9f\u884c\u6642\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u76e3\u8996\u3068\u8fc5\u901f\u306a\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u624b\u9806\u306e\u6e96\u5099\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306e\u6ce8\u610f\u70b9\u3068\u554f\u984c\u3092\u56de\u907f\u3059\u308b<\/h2>\n\n\n\n<p>Composer\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u5358\u7d14\u306a\u64cd\u4f5c\u306b\u898b\u3048\u3066\u610f\u5916\u306a\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4e3b\u306a\u6ce8\u610f\u70b9\u3068\u554f\u984c\u306e\u56de\u907f\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u4f9d\u5b58\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u9023\u9396\u7684\u306a\u5f71\u97ff\u3092\u9632\u3050\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f9d\u5b58\u95a2\u4fc2\u306e\u5206\u6790\u3068\u5f71\u97ff\u7bc4\u56f2\u306e\u7279\u5b9a<\/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=\"\">\/\/ \u4f9d\u5b58\u95a2\u4fc2\u30c1\u30a7\u30c3\u30af\u306e\u4f8b\nuse Composer\\Factory;\nuse Composer\\IO\\NullIO;\n\n$composer = Factory::create(new NullIO());\n$repository = $composer-&gt;getRepositoryManager()-&gt;getLocalRepository();\n\n\/\/ \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u53d6\u5f97\n$dependencies = $repository-&gt;getDependencies();\n\n\/\/ \u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u7279\u5b9a\nforeach ($dependencies as $dependency) {\n    if ($dependency-&gt;getTarget() === 'vendor\/package-to-remove') {\n        \/\/ \u4f9d\u5b58\u3057\u3066\u3044\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u7279\u5b9a\n        $affectedPackages[] = $dependency-&gt;getSource();\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u4ee3\u66ff\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u691c\u8a0e<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-129fa6d8-cf27-4a99-b3e6-53070096688e\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u524a\u9664\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8<\/th><th>\u4ee3\u66ff\u5019\u88dc<\/th><th>\u79fb\u884c\u306e\u5bb9\u6613\u3055<\/th><th>\u6ce8\u610f\u70b9<\/th><\/tr><\/thead><tbody><tr><td>monolog\/monolog<\/td><td>psr\/log\u5b9f\u88c5<\/td><td>\u5bb9\u6613<\/td><td>PSR-3\u4e92\u63db\u306e\u78ba\u8a8d\u304c\u5fc5\u8981<\/td><\/tr><tr><td>symfony\/console<\/td><td>climate\/cli<\/td><td>\u4e2d\u7a0b\u5ea6<\/td><td>\u30b3\u30de\u30f3\u30c9\u69cb\u9020\u306e\u518d\u8a2d\u8a08\u304c\u5fc5\u8981<\/td><\/tr><tr><td>twig\/twig<\/td><td>blade<\/td><td>\u3084\u3084\u56f0\u96e3<\/td><td>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u6587\u6cd5\u306e\u5b8c\u5168\u306a\u66f8\u304d\u63db\u3048\u304c\u5fc5\u8981<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u6bb5\u968e\u7684\u306a\u79fb\u884c\u6226\u7565<\/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=\"\">\/\/ \u53e4\u3044\u30d1\u30c3\u30b1\u30fc\u30b8\u3068\u65b0\u3057\u3044\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5171\u5b58\u671f\u9593\u3092\u8a2d\u3051\u308b\nif (class_exists('OldPackage\\Logger')) {\n    \/\/ \u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u7528\n    $logger = new OldPackage\\Logger();\n} else {\n    \/\/ \u65b0\u3057\u3044\u5b9f\u88c5\n    $logger = new NewPackage\\Logger();\n}\n\n\/\/ \u975e\u63a8\u5968\u8b66\u544a\u3092\u5b9f\u88c5\nclass OldLogger {\n    public function __construct() {\n        trigger_error(\n            'OldLogger is deprecated, use NewLogger instead',\n            E_USER_DEPRECATED\n        );\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306e\u52d5\u4f5c\u78ba\u8a8d\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6a5f\u80fd\u30c6\u30b9\u30c8\u306e\u5b9f\u65bd<\/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=\"\">class PackageRemovalTest extends TestCase\n{\n    public function testCriticalFunctionality()\n    {\n        \/\/ \u91cd\u8981\u306a\u6a5f\u80fd\u306e\u30c6\u30b9\u30c8\n        $this-&gt;assertTrue(\n            ClassLoader::classExists('YourApp\\CoreClass'),\n            'Core functionality should remain intact'\n        );\n\n        \/\/ \u4f9d\u5b58\u3057\u3066\u3044\u305f\u6a5f\u80fd\u306e\u4ee3\u66ff\u5b9f\u88c5\u306e\u30c6\u30b9\u30c8\n        $this-&gt;assertInstanceOf(\n            'NewPackage\\Logger',\n            app()-&gt;make('logger'),\n            'Logger service should use new implementation'\n        );\n    }\n\n    public function testPerformanceImpact()\n    {\n        $startTime = microtime(true);\n        \/\/ \u4e3b\u8981\u306a\u51e6\u7406\u306e\u5b9f\u884c\n        $processingTime = microtime(true) - $startTime;\n\n        $this-&gt;assertLessThan(\n            0.1,\n            $processingTime,\n            'Processing time should not exceed threshold'\n        );\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u5065\u5168\u6027\u30c1\u30a7\u30c3\u30af<\/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=\"\">class SystemHealthCheck\n{\n    private $checks = [\n        'database' =&gt; DatabaseCheck::class,\n        'cache' =&gt; CacheCheck::class,\n        'filesystem' =&gt; FilesystemCheck::class,\n        'session' =&gt; SessionCheck::class\n    ];\n\n    public function runAllChecks(): array\n    {\n        $results = [];\n\n        foreach ($this-&gt;checks as $name =&gt; $checker) {\n            try {\n                $checker = new $checker();\n                $results[$name] = $checker-&gt;check();\n            } catch (\\Exception $e) {\n                $results[$name] = [\n                    'status' =&gt; 'error',\n                    'message' =&gt; $e-&gt;getMessage()\n                ];\n            }\n        }\n\n        return $results;\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-792b9288-a039-486c-aa17-d4ce49e20625\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u76e3\u8996\u9805\u76ee<\/th><th>\u78ba\u8a8d\u65b9\u6cd5<\/th><th>\u8b66\u544a\u95be\u5024<\/th><th>\u91cd\u8981\u5ea6<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/td><td>memory_get_usage()<\/td><td>128MB\u4ee5\u4e0a<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u30ed\u30fc\u30c9\u6642\u9593<\/td><td>\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0<\/td><td>2\u79d2\u4ee5\u4e0a<\/td><td>\u9ad8<\/td><\/tr><tr><td>DB\u30af\u30a8\u30ea\u6570<\/td><td>\u30af\u30a8\u30ea\u30ed\u30b0\u89e3\u6790<\/td><td>1\u30ea\u30af\u30a8\u30b9\u30c8\u3042\u305f\u308a50\u4ee5\u4e0a<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387<\/td><td>\u30ad\u30e3\u30c3\u30b7\u30e5\u30ed\u30b0\u89e3\u6790<\/td><td>80%\u4ee5\u4e0b<\/td><td>\u4e2d<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u76e3\u8996\u3068\u30ed\u30b0\u5206\u6790<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u5f37\u5316\nset_error_handler(function($errno, $errstr, $errfile, $errline) {\n    $logger = new ErrorLogger();\n    $logger-&gt;log([\n        'type' =&gt; $errno,\n        'message' =&gt; $errstr,\n        'file' =&gt; $errfile,\n        'line' =&gt; $errline,\n        'context' =&gt; [\n            'memory_usage' =&gt; memory_get_usage(true),\n            'peak_memory' =&gt; memory_get_peak_usage(true)\n        ]\n    ]);\n\n    \/\/ \u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30a8\u30e9\u30fc\u306e\u5834\u5408\u306f\u901a\u77e5\n    if ($errno === E_ERROR || $errno === E_USER_ERROR) {\n        NotificationService::alert('Critical error detected');\n    }\n\n    return true;\n});<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6ce8\u610f\u70b9\u3068\u78ba\u8a8d\u4e8b\u9805\u3092\u614e\u91cd\u306b\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u3088\u308b\u4e88\u671f\u305b\u306c\u554f\u984c\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u672c\u756a\u74b0\u5883\u3067\u306e\u4f5c\u696d\u6642\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u76e3\u8996\u4f53\u5236\u3092\u5f37\u5316\u3057\u3001\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u8fc5\u901f\u306a\u5bfe\u5fdc\u304c\u53ef\u80fd\u306a\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-14\">\u8907\u6570\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4e00\u62ec\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u5927\u898f\u6a21\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u3001\u8907\u6570\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u540c\u6642\u306b\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u52b9\u7387\u7684\u304b\u3064\u5b89\u5168\u306a\u4e00\u62ec\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u52b9\u7387\u7684\u306a\u4e00\u62ec\u524a\u9664\u306e\u624b\u9806<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5206\u985e\u3068\u512a\u5148\u9806\u4f4d\u4ed8\u3051<\/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=\"\">\/\/ \u30d1\u30c3\u30b1\u30fc\u30b8\u4f9d\u5b58\u95a2\u4fc2\u306e\u5206\u6790\u30c4\u30fc\u30eb\u306e\u4f8b\nclass PackageAnalyzer\n{\n    private $packages;\n    private $dependencies;\n\n    public function analyzeDependencies(): array\n    {\n        $groups = [\n            'safe_to_remove' =&gt; [], \/\/ \u4f9d\u5b58\u3055\u308c\u3066\u3044\u306a\u3044\u30d1\u30c3\u30b1\u30fc\u30b8\n            'needs_review' =&gt; [],   \/\/ \u4ed6\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304b\u3089\u4f9d\u5b58\u3055\u308c\u3066\u3044\u308b\u3082\u306e\n            'critical' =&gt; []        \/\/ \u30b3\u30a2\u30b7\u30b9\u30c6\u30e0\u306b\u95a2\u308f\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\n        ];\n\n        foreach ($this-&gt;packages as $package) {\n            if ($this-&gt;isIndependent($package)) {\n                $groups['safe_to_remove'][] = $package;\n            } elseif ($this-&gt;isCritical($package)) {\n                $groups['critical'][] = $package;\n            } else {\n                $groups['needs_review'][] = $package;\n            }\n        }\n\n        return $groups;\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u4e00\u62ec\u524a\u9664\u306e\u30a2\u30d7\u30ed\u30fc\u30c1<\/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=\"\"># \u65b9\u6cd51: composer remove\u3092\u4f7f\u7528\u3057\u305f\u4e00\u62ec\u524a\u9664\ncomposer remove package1 package2 package3\n\n# \u65b9\u6cd52: composer.json\u306e\u76f4\u63a5\u7de8\u96c6\u5f8c\u306e\u66f4\u65b0\n# (composer.json\u304b\u3089\u4e0d\u8981\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u524a\u9664\u5f8c)\ncomposer update --no-dev\n\n# \u65b9\u6cd53: \u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u305f\u6bb5\u968e\u7684\u306a\u524a\u9664\nphp remove-packages.php --group=safe<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u81ea\u52d5\u5316\u30b9\u30af\u30ea\u30d7\u30c8\u306e\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=\"\">#!\/usr\/bin\/env php\n&lt;?php\nrequire 'vendor\/autoload.php';\n\nclass PackageRemover\n{\n    private $composerJson;\n    private $backupPath;\n\n    public function __construct()\n    {\n        $this-&gt;composerJson = json_decode(\n            file_get_contents('composer.json'),\n            true\n        );\n        $this-&gt;backupPath = 'composer.json.' . date('Y-m-d-His') . '.bak';\n    }\n\n    public function removePackages(array $packages): void\n    {\n        \/\/ \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u6210\n        file_put_contents(\n            $this-&gt;backupPath,\n            json_encode($this-&gt;composerJson, JSON_PRETTY_PRINT)\n        );\n\n        \/\/ \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u524a\u9664\n        foreach ($packages as $package) {\n            unset($this-&gt;composerJson['require'][$package]);\n            unset($this-&gt;composerJson['require-dev'][$package]);\n        }\n\n        \/\/ \u66f4\u65b0\u3057\u305fcomposer.json\u3092\u4fdd\u5b58\n        file_put_contents(\n            'composer.json',\n            json_encode($this-&gt;composerJson, JSON_PRETTY_PRINT)\n        );\n\n        \/\/ composer update\u3092\u5b9f\u884c\n        exec('composer update');\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u4e00\u62ec\u524a\u9664\u6642\u306e\u30ea\u30b9\u30af\u7ba1\u7406<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e8b\u524d\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-b80642cf-60db-43fc-ab50-9123f8f790c1\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/th><th>\u78ba\u8a8d\u65b9\u6cd5<\/th><th>\u91cd\u8981\u5ea6<\/th><\/tr><\/thead><tbody><tr><td>\u4f9d\u5b58\u95a2\u4fc2\u306e\u78ba\u8a8d<\/td><td><code>composer depends<\/code><\/td><td>\u9ad8<\/td><\/tr><tr><td>\u4f7f\u7528\u7b87\u6240\u306e\u7279\u5b9a<\/td><td>\u30b3\u30fc\u30c9\u30b9\u30ad\u30e3\u30f3<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8<\/td><td>PHPUnit\u5b9f\u884c<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u78ba\u8a8d<\/td><td>\u30d5\u30a1\u30a4\u30eb\u691c\u8a3c<\/td><td>\u9ad8<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6bb5\u968e\u7684\u306a\u524a\u9664\u30d7\u30ed\u30bb\u30b9<\/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=\"\">class StagedRemoval\n{\n    private $stages = [\n        'preparation' =&gt; [\n            'backup_creation',\n            'dependency_check',\n            'usage_analysis'\n        ],\n        'testing' =&gt; [\n            'remove_in_test',\n            'run_tests',\n            'performance_check'\n        ],\n        'production' =&gt; [\n            'maintenance_mode',\n            'remove_packages',\n            'verify_system',\n            'restore_service'\n        ]\n    ];\n\n    public function executeStage(string $stage): bool\n    {\n        foreach ($this-&gt;stages[$stage] as $step) {\n            try {\n                $this-&gt;$step();\n            } catch (\\Exception $e) {\n                $this-&gt;rollback($stage);\n                return false;\n            }\n        }\n        return true;\n    }\n\n    private function rollback(string $stage): void\n    {\n        \/\/ \u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u51e6\u7406\u306e\u5b9f\u88c5\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u76e3\u8996\u3068\u30ea\u30ab\u30d0\u30ea\u30fc\u4f53\u5236<\/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=\"\">class RemovalMonitor\n{\n    private $metrics = [];\n    private $thresholds = [\n        'memory_usage' =&gt; 128 * 1024 * 1024, \/\/ 128MB\n        'response_time' =&gt; 2.0,              \/\/ 2\u79d2\n        'error_rate' =&gt; 0.01                 \/\/ 1%\n    ];\n\n    public function monitor(): void\n    {\n        while ($this-&gt;isRemovalInProgress()) {\n            $this-&gt;collectMetrics();\n            $this-&gt;analyzeMetrics();\n\n            if ($this-&gt;shouldTriggerRollback()) {\n                $this-&gt;initiateRollback();\n                break;\n            }\n\n            sleep(5); \/\/ 5\u79d2\u9593\u9694\u3067\u30c1\u30a7\u30c3\u30af\n        }\n    }\n\n    private function shouldTriggerRollback(): bool\n    {\n        foreach ($this-&gt;thresholds as $metric =&gt; $threshold) {\n            if ($this-&gt;metrics[$metric] &gt; $threshold) {\n                return true;\n            }\n        }\n        return false;\n    }\n}<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30ac\u30a4\u30c9<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-87772601-f1ba-4282-9116-3f461d81da01\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u554f\u984c<\/th><th>\u75c7\u72b6<\/th><th>\u5bfe\u51e6\u65b9\u6cd5<\/th><th>\u4e88\u9632\u7b56<\/th><\/tr><\/thead><tbody><tr><td>\u4f9d\u5b58\u89e3\u6c7a\u306e\u5931\u6557<\/td><td>composer update\u30a8\u30e9\u30fc<\/td><td>\u4f9d\u5b58\u95a2\u4fc2\u306e\u624b\u52d5\u89e3\u6c7a<\/td><td>\u4e8b\u524d\u306e\u4f9d\u5b58\u95a2\u4fc2\u5206\u6790<\/td><\/tr><tr><td>\u30e1\u30e2\u30ea\u4e0d\u8db3<\/td><td>OOM\u30a8\u30e9\u30fc<\/td><td>\u30e1\u30e2\u30ea\u5236\u9650\u306e\u5f15\u304d\u4e0a\u3052<\/td><td>\u30ea\u30bd\u30fc\u30b9\u76e3\u8996\u306e\u8a2d\u5b9a<\/td><\/tr><tr><td>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b<\/td><td>\u30ec\u30b9\u30dd\u30f3\u30b9\u9045\u5ef6<\/td><td>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u518d\u69cb\u7bc9<\/td><td>\u6bb5\u968e\u7684\u306a\u524a\u9664<\/td><\/tr><tr><td>\u6a5f\u80fd\u306e\u505c\u6b62<\/td><td>\u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u5897\u52a0<\/td><td>\u7dca\u6025\u30ed\u30fc\u30eb\u30d0\u30c3\u30af<\/td><td>\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u306e\u691c\u8a3c<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u8907\u6570\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4e00\u62ec\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u614e\u91cd\u306b\u8a08\u753b\u3057\u3001\u6bb5\u968e\u7684\u306b\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u672c\u756a\u74b0\u5883\u3067\u306e\u4f5c\u696d\u6642\u306f\u3001\u5fc5\u305a\u4e8b\u524d\u306e\u30c6\u30b9\u30c8\u3068\u7dca\u6025\u6642\u306e\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u624b\u9806\u3092\u6e96\u5099\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-17\">\u958b\u767a\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u3067\u306e\u9055\u3044\u306b\u6ce8\u610f<\/h2>\n\n\n\n<p>Composer\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u958b\u767a\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u3067\u7570\u306a\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u74b0\u5883\u7279\u6027\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306a\u6226\u7565\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u74b0\u5883\u3054\u3068\u306e\u8003\u616e\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u958b\u767a\u74b0\u5883\u7279\u6709\u306e\u8003\u616e\u4e8b\u9805<\/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=\"\">\/\/ \u958b\u767a\u74b0\u5883\u3067\u306e\u8a2d\u5b9a\u4f8b\nclass DevelopmentConfig\n{\n    public static function setupForPackageRemoval(): array\n    {\n        return [\n            'debug' =&gt; true,\n            'error_reporting' =&gt; E_ALL,\n            'display_errors' =&gt; 1,\n            'composer_options' =&gt; [\n                '--dev' =&gt; true,\n                '--verbose' =&gt; true,\n                '--no-scripts' =&gt; false\n            ],\n            'backup_required' =&gt; false,\n            'allow_unsafe_operations' =&gt; true\n        ];\n    }\n}\n\n\/\/ \u958b\u767a\u74b0\u5883\u3067\u306e\u4f9d\u5b58\u95a2\u4fc2\u30c1\u30a7\u30c3\u30af\n$checker = new DependencyChecker([\n    'ignore_dev_dependencies' =&gt; false,\n    'strict_version_check' =&gt; false,\n    'allow_breaks' =&gt; true\n]);<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u672c\u756a\u74b0\u5883\u7279\u6709\u306e\u8003\u616e\u4e8b\u9805<\/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=\"\">\/\/ \u672c\u756a\u74b0\u5883\u3067\u306e\u8a2d\u5b9a\u4f8b\nclass ProductionConfig\n{\n    public static function setupForPackageRemoval(): array\n    {\n        return [\n            'debug' =&gt; false,\n            'error_reporting' =&gt; E_ERROR | E_WARNING | E_PARSE,\n            'display_errors' =&gt; 0,\n            'composer_options' =&gt; [\n                '--no-dev' =&gt; true,\n                '--optimize-autoloader' =&gt; true,\n                '--no-scripts' =&gt; true\n            ],\n            'backup_required' =&gt; true,\n            'allow_unsafe_operations' =&gt; false\n        ];\n    }\n\n    public static function getMaintenanceMode(): array\n    {\n        return [\n            'enabled' =&gt; true,\n            'allowed_ips' =&gt; ['10.0.0.1', '10.0.0.2'],\n            'retry_after' =&gt; 300,\n            'secret' =&gt; env('MAINTENANCE_SECRET')\n        ];\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u74b0\u5883\u5dee\u7570\u306e\u6bd4\u8f03\u8868<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-ca42fa92-eb8f-4572-918d-e38e143ae689\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>\u958b\u767a\u74b0\u5883<\/th><th>\u672c\u756a\u74b0\u5883<\/th><th>\u7406\u7531<\/th><\/tr><\/thead><tbody><tr><td>\u30a8\u30e9\u30fc\u8868\u793a<\/td><td>\u8a73\u7d30\u8868\u793a<\/td><td>\u30ed\u30b0\u306e\u307f<\/td><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6<\/td><\/tr><tr><td>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/td><td>\u4efb\u610f<\/td><td>\u5fc5\u9808<\/td><td>\u30c7\u30fc\u30bf\u4fdd\u8b77<\/td><\/tr><tr><td>\u4f9d\u5b58\u30c1\u30a7\u30c3\u30af<\/td><td>\u7de9\u548c\u53ef<\/td><td>\u53b3\u683c<\/td><td>\u5b89\u5b9a\u6027\u78ba\u4fdd<\/td><\/tr><tr><td>\u5b9f\u884c\u30bf\u30a4\u30df\u30f3\u30b0<\/td><td>\u968f\u6642\u53ef<\/td><td>\u8a08\u753b\u5b9f\u884c<\/td><td>\u30b5\u30fc\u30d3\u30b9\u7d99\u7d9a\u6027<\/td><\/tr><tr><td>\u30aa\u30fc\u30c8\u30ed\u30fc\u30c0\u30fc\u6700\u9069\u5316<\/td><td>\u4e0d\u8981<\/td><td>\u5fc5\u9808<\/td><td>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u74b0\u5883\u5225\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6226\u7565<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u958b\u767a\u74b0\u5883\u3067\u306e\u6226\u7565<\/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=\"\">\/\/ \u958b\u767a\u74b0\u5883\u7528\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\nclass DevPackageUninstaller\n{\n    public function uninstall(array $packages): void\n    {\n        \/\/ \u958b\u767a\u74b0\u5883\u7279\u6709\u306e\u7de9\u548c\u3055\u308c\u305f\u5236\u7d04\n        ini_set('memory_limit', '-1');\n        set_time_limit(0);\n\n        foreach ($packages as $package) {\n            try {\n                $this-&gt;removePackage($package);\n            } catch (\\Exception $e) {\n                \/\/ \u958b\u767a\u74b0\u5883\u3067\u306f\u4f8b\u5916\u3092\u8868\u793a\n                echo \"Error removing $package: \" . $e-&gt;getMessage() . \"\\n\";\n                \/\/ \u7d9a\u884c\u3092\u8a31\u53ef\n                continue;\n            }\n        }\n\n        \/\/ \u958b\u767a\u74b0\u5883\u3067\u306e\u5f8c\u51e6\u7406\n        $this-&gt;regenerateAutoloader();\n        $this-&gt;clearDevCache();\n    }\n\n    private function clearDevCache(): void\n    {\n        \/\/ \u958b\u767a\u74b0\u5883\u7528\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30af\u30ea\u30a2\u51e6\u7406\n        if (file_exists(__DIR__ . '\/bootstrap\/cache')) {\n            array_map('unlink', glob(__DIR__ . '\/bootstrap\/cache\/*'));\n        }\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u672c\u756a\u74b0\u5883\u3067\u306e\u6226\u7565<\/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=\"\">\/\/ \u672c\u756a\u74b0\u5883\u7528\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\nclass ProductionPackageUninstaller\n{\n    private $backupManager;\n    private $monitoringService;\n\n    public function uninstall(array $packages): void\n    {\n        \/\/ \u672c\u756a\u74b0\u5883\u7528\u306e\u5b89\u5168\u7b56\n        $this-&gt;enableMaintenanceMode();\n        $this-&gt;createBackup();\n        $this-&gt;startMonitoring();\n\n        try {\n            foreach ($packages as $package) {\n                $this-&gt;validateRemoval($package);\n                $this-&gt;removePackage($package);\n                $this-&gt;verifySystemStability();\n            }\n\n            $this-&gt;optimizeAutoloader();\n            $this-&gt;warmupCache();\n\n        } catch (\\Exception $e) {\n            \/\/ \u672c\u756a\u74b0\u5883\u3067\u306f\u5373\u5ea7\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\n            $this-&gt;rollback();\n            $this-&gt;notifyAdmins($e);\n            throw $e;\n        } finally {\n            $this-&gt;disableMaintenanceMode();\n            $this-&gt;stopMonitoring();\n        }\n    }\n\n    private function validateRemoval(string $package): void\n    {\n        if ($this-&gt;isBusinessHours() &amp;&amp; !$this-&gt;isEmergency()) {\n            throw new \\Exception('Package removal not allowed during business hours');\n        }\n\n        if (!$this-&gt;hasRedundancy($package)) {\n            throw new \\Exception('No redundancy for critical package');\n        }\n    }\n\n    private function verifySystemStability(): void\n    {\n        $metrics = $this-&gt;monitoringService-&gt;getMetrics();\n\n        if ($metrics['error_rate'] &gt; 0.001 ||\n            $metrics['response_time'] &gt; 1000 ||\n            $metrics['memory_usage'] &gt; 0.8) {\n            throw new \\Exception('System instability detected');\n        }\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u74b0\u5883\u56fa\u6709\u306e\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9<\/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=\"\">\/\/ \u74b0\u5883\u306b\u5fdc\u3058\u305f\u691c\u8a3c\u51e6\u7406\nclass EnvironmentSpecificValidator\n{\n    private $environment;\n\n    public function __construct(string $environment)\n    {\n        $this-&gt;environment = $environment;\n    }\n\n    public function validatePreRemoval(): array\n    {\n        $checks = [\n            'basic' =&gt; $this-&gt;runBasicChecks(),\n            'dependencies' =&gt; $this-&gt;checkDependencies(),\n            'resources' =&gt; $this-&gt;checkResources()\n        ];\n\n        if ($this-&gt;environment === 'production') {\n            $checks['redundancy'] = $this-&gt;checkRedundancy();\n            $checks['backup'] = $this-&gt;verifyBackup();\n            $checks['loadBalancer'] = $this-&gt;checkLoadBalancer();\n        }\n\n        return $checks;\n    }\n\n    private function checkLoadBalancer(): bool\n    {\n        \/\/ \u672c\u756a\u74b0\u5883\u7279\u6709\u306e\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u30c1\u30a7\u30c3\u30af\n        if ($this-&gt;environment === 'production') {\n            return (new LoadBalancerCheck())-&gt;verify();\n        }\n        return true;\n    }\n}<\/pre>\n\n\n\n<p>\u7570\u306a\u308b\u74b0\u5883\u3067\u306e\u9069\u5207\u306a\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6226\u7565\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u958b\u767a\u306e\u52b9\u7387\u6027\u3068\u672c\u756a\u74b0\u5883\u306e\u5b89\u5b9a\u6027\u306e\u4e21\u65b9\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u672c\u756a\u74b0\u5883\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3068\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u6700\u512a\u5148\u306b\u8003\u616e\u3057\u305f\u614e\u91cd\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n\n\n\n<p>Composer\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\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<h3 class=\"wp-block-heading\" id=\"i-21\">\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f9d\u5b58\u95a2\u4fc2\u306e\u7af6\u5408\u30a8\u30e9\u30fc<\/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=\"\"># \u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\nProblem 1\n    - Root composer.json requires vendor\/package-a ^2.0\n    - vendor\/package-b 3.0 requires vendor\/package-a ^1.0<\/pre>\n\n\n\n<p>\u89e3\u6c7a\u7b56\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=\"\">\/\/ \u4f9d\u5b58\u95a2\u4fc2\u89e3\u6c7a\u306e\u305f\u3081\u306e\u30d8\u30eb\u30d1\u30fc\u30af\u30e9\u30b9\nclass DependencyResolver\n{\n    public function resolveConflict(string $package): array\n    {\n        $solution = [];\n\n        \/\/ \u7af6\u5408\u3059\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u7279\u5b9a\n        $conflicts = $this-&gt;findConflictingVersions($package);\n\n        foreach ($conflicts as $conflict) {\n            \/\/ \u4e92\u63db\u6027\u306e\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u691c\u7d22\n            $compatibleVersion = $this-&gt;findCompatibleVersion($conflict);\n\n            if ($compatibleVersion) {\n                $solution[$conflict['package']] = $compatibleVersion;\n            } else {\n                \/\/ \u4ee3\u66ff\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u63d0\u6848\n                $solution[$conflict['package']] = $this-&gt;suggestAlternative($conflict);\n            }\n        }\n\n        return $solution;\n    }\n\n    private function findCompatibleVersion(array $conflict): ?string\n    {\n        \/\/ \u30d0\u30fc\u30b8\u30e7\u30f3\u5236\u7d04\u306e\u89e3\u6790\n        $constraints = array_map(\n            fn($req) =&gt; $req['version_constraint'],\n            $conflict['requirements']\n        );\n\n        \/\/ \u5171\u901a\u3057\u3066\u6e80\u305f\u3059\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u691c\u7d22\n        return $this-&gt;findVersionSatisfyingAll($constraints);\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u7834\u640d\u3057\u305fautoload.php\u306e\u4fee\u5fa9<\/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=\"\">\/\/ autoload.php\u306e\u518d\u751f\u6210\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\nclass AutoloadRepairTool\n{\n    public function repair(): void\n    {\n        try {\n            \/\/ \u73fe\u5728\u306eautoload.php\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\n            $this-&gt;backupCurrentAutoload();\n\n            \/\/ composer dump-autoload\u3092\u5b9f\u884c\n            exec('composer dump-autoload --optimize', $output, $returnVar);\n\n            if ($returnVar !== 0) {\n                throw new \\RuntimeException(\n                    'Failed to regenerate autoload files'\n                );\n            }\n\n            \/\/ \u30af\u30e9\u30b9\u30ed\u30fc\u30c0\u30fc\u306e\u30c6\u30b9\u30c8\n            $this-&gt;verifyAutoloader();\n\n        } catch (\\Exception $e) {\n            \/\/ \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304b\u3089\u5fa9\u5143\n            $this-&gt;restoreFromBackup();\n            throw $e;\n        }\n    }\n\n    private function verifyAutoloader(): void\n    {\n        \/\/ \u4e3b\u8981\u306a\u30af\u30e9\u30b9\u306e\u30ed\u30fc\u30c9\u3092\u30c6\u30b9\u30c8\n        $testClasses = $this-&gt;getTestClasses();\n        foreach ($testClasses as $class) {\n            if (!class_exists($class)) {\n                throw new \\RuntimeException(\n                    \"Failed to load class: $class\"\n                );\n            }\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u4f9d\u5b58\u95a2\u4fc2\u306e\u89e3\u6c7a\u624b\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5faa\u74b0\u4f9d\u5b58\u306e\u691c\u51fa\u3068\u89e3\u6c7a<\/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=\"\">class CircularDependencyDetector\n{\n    private $dependencies = [];\n    private $visited = [];\n    private $recursionStack = [];\n\n    public function detect(): array\n    {\n        $cycles = [];\n\n        foreach ($this-&gt;dependencies as $package =&gt; $deps) {\n            if ($this-&gt;detectCycle($package, $cycles)) {\n                \/\/ \u5faa\u74b0\u4f9d\u5b58\u3092\u767a\u898b\n                $this-&gt;analyzeCycle($cycles);\n            }\n        }\n\n        return $cycles;\n    }\n\n    private function analyzeCycle(array $cycle): array\n    {\n        $solutions = [];\n\n        foreach ($cycle as $package) {\n            \/\/ \u4ee3\u66ff\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u63d0\u6848\n            $alternatives = $this-&gt;findAlternatives($package);\n\n            \/\/ \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u62bd\u51fa\u3092\u63d0\u6848\n            $interfaces = $this-&gt;suggestInterfaces($package);\n\n            $solutions[$package] = [\n                'alternatives' =&gt; $alternatives,\n                'interfaces' =&gt; $interfaces\n            ];\n        }\n\n        return $solutions;\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u5171\u901a\u306e\u30c8\u30e9\u30d6\u30eb\u3068\u89e3\u6c7a\u7b56<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-b78b49cf-9c2f-4756-8871-a1c1f780b4f7\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30a8\u30e9\u30fc\u7a2e\u5225<\/th><th>\u75c7\u72b6<\/th><th>\u539f\u56e0<\/th><th>\u89e3\u6c7a\u7b56<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30e2\u30ea\u4e0d\u8db3<\/td><td><code>Allowed memory size exhausted<\/code><\/td><td>\u5927\u91cf\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u51e6\u7406<\/td><td>\u30e1\u30e2\u30ea\u5236\u9650\u306e\u5f15\u304d\u4e0a\u3052\u3001<code>--no-dev<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u4f7f\u7528<\/td><\/tr><tr><td>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/td><td><code>Maximum execution time exceeded<\/code><\/td><td>\u8907\u96d1\u306a\u4f9d\u5b58\u89e3\u6c7a<\/td><td>\u30b9\u30af\u30ea\u30d7\u30c8\u5b9f\u884c\u6642\u9593\u306e\u5ef6\u9577\u3001\u6bb5\u968e\u7684\u306a\u524a\u9664<\/td><\/tr><tr><td>\u6a29\u9650\u30a8\u30e9\u30fc<\/td><td><code>Permission denied<\/code><\/td><td>\u30d5\u30a1\u30a4\u30eb\u6a29\u9650\u306e\u554f\u984c<\/td><td>\u9069\u5207\u306a\u6a29\u9650\u8a2d\u5b9a\u3001<code>sudo<\/code> \u306e\u4f7f\u7528<\/td><\/tr><tr><td>\u30ed\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u7af6\u5408<\/td><td><code>The lock file is not up to date<\/code><\/td><td>\u4e26\u884c\u66f4\u65b0<\/td><td>\u30ed\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u306e\u66f4\u65b0\u3001\u30c1\u30fc\u30e0\u9593\u306e\u540c\u671f<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30d5\u30ed\u30fc<\/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=\"\">class TroubleshootingFlow\n{\n    public function diagnose(): array\n    {\n        $issues = [];\n\n        \/\/ \u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u306e\u78ba\u8a8d\n        $issues['system'] = $this-&gt;checkSystemRequirements();\n\n        \/\/ Composer\u306e\u72b6\u614b\u78ba\u8a8d\n        $issues['composer'] = $this-&gt;checkComposerState();\n\n        \/\/ \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u6574\u5408\u6027\u78ba\u8a8d\n        $issues['packages'] = $this-&gt;checkPackageIntegrity();\n\n        \/\/ \u81ea\u52d5\u4fee\u5fa9\u306e\u8a66\u884c\n        foreach ($issues as $type =&gt; $problems) {\n            if (!empty($problems)) {\n                $this-&gt;attemptAutoRepair($type, $problems);\n            }\n        }\n\n        return $issues;\n    }\n\n    private function checkComposerState(): array\n    {\n        $issues = [];\n\n        \/\/ composer.json\u306e\u691c\u8a3c\n        if (!$this-&gt;isValidJson('composer.json')) {\n            $issues[] = 'Invalid composer.json format';\n        }\n\n        \/\/ composer.lock\u306e\u691c\u8a3c\n        if (!$this-&gt;isLockFileSynced()) {\n            $issues[] = 'Lock file not synchronized';\n        }\n\n        \/\/ Composer\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u78ba\u8a8d\n        if ($this-&gt;isCacheCorrupted()) {\n            $issues[] = 'Corrupted Composer cache';\n        }\n\n        return $issues;\n    }\n\n    private function attemptAutoRepair(string $type, array $problems): void\n    {\n        switch ($type) {\n            case 'composer':\n                $this-&gt;repairComposerIssues($problems);\n                break;\n            case 'packages':\n                $this-&gt;repairPackageIssues($problems);\n                break;\n            case 'system':\n                $this-&gt;repairSystemIssues($problems);\n                break;\n        }\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306b\u767a\u751f\u3059\u308b\u554f\u984c\u306b\u52b9\u679c\u7684\u306b\u5bfe\u51e6\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u614c\u3066\u305a\u306b\u3001\u30b7\u30b9\u30c6\u30de\u30c6\u30a3\u30c3\u30af\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3001\u9069\u5207\u306a\u89e3\u6c7a\u7b56\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/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; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,12],"tags":[],"class_list":{"0":"post-3367","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-php-composer","7":"category-php","8":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/3367","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3367"}],"version-history":[{"count":2,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/3367\/revisions"}],"predecessor-version":[{"id":3369,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/3367\/revisions\/3369"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}