{"id":2666,"date":"2025-03-24T08:46:49","date_gmt":"2025-03-23T23:46:49","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2666"},"modified":"2025-03-24T08:47:17","modified_gmt":"2025-03-23T23:47:17","slug":"%e3%80%90%e4%bf%9d%e5%ad%98%e7%89%88%e3%80%91laravel-%e3%83%a2%e3%83%87%e3%83%ab%e4%bd%9c%e6%88%90%e3%81%ae%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89-%e5%88%9d%e5%bf%83%e8%80%85%e3%81%a7%e3%82%82","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2666","title":{"rendered":"\u3010\u4fdd\u5b58\u7248\u3011Laravel \u30e2\u30c7\u30eb\u4f5c\u6210\u306e\u5b8c\u5168\u30ac\u30a4\u30c9 &#8211; \u521d\u5fc3\u8005\u3067\u3082\u8ff7\u308f\u306a\u30447\u3064\u306e\u5b9f\u8df5\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\">Laravel\u30e2\u30c7\u30eb\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">Eloquent\u30e2\u30c7\u30eb\u3068\u306f\u4f55\u304b\uff1f\u5b9f\u8df5\u7684\u306a\u89e3\u8aac<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u30e2\u30c7\u30eb\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3084\u308a\u53d6\u308a\u3059\u308b\u4ed5\u7d44\u307f<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">\u30e2\u30c7\u30eb\u4f5c\u6210\u306e\u57fa\u672c\u30b9\u30c6\u30c3\u30d7<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">artisan\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u30e2\u30c7\u30eb\u306e\u4f5c\u6210\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u306e\u540c\u6642\u751f\u6210\u306e\u30e1\u30ea\u30c3\u30c8<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u3068\u30b7\u30fc\u30c0\u30fc\u306e\u6d3b\u7528\u8853<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\u30e2\u30c7\u30eb\u306e\u5b9f\u8df5\u7684\u306a\u8a2d\u5b9a\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u30c6\u30fc\u30d6\u30eb\u540d\u3068\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/a>      <\/li>      <li>        <a href=\"#i-9\">\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u5236\u5fa1\u3068\u30bd\u30d5\u30c8\u30c7\u30ea\u30fc\u30c8<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-10\">\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u4ee3\u5165\u5236\u5fa1\uff08fillable\u3068guarded\uff09<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-11\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-12\">hasMany\u30fbbelongsTo\u306e\u9069\u5207\u306a\u4f7f\u3044\u5206\u3051<\/a>      <\/li>      <li>        <a href=\"#i-13\">\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u305f\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u95a2\u9023\u4ed8\u3051\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-15\">\u30e2\u30c7\u30eb\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u6d3b\u7528<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-16\">\u30a2\u30af\u30bb\u30b5\u3068\u30df\u30e5\u30fc\u30c6\u30bf\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-17\">\u30b9\u30b3\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u305f\u30af\u30a8\u30ea\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-18\">\u30a4\u30d9\u30f3\u30c8\u3068\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-19\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-20\">Eager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u305fN+1\u554f\u984c\u306e\u89e3\u6c7a<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-21\">\u30af\u30a8\u30ea\u30b9\u30b3\u30fc\u30d7\u3092\u6d3b\u7528\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-22\">\u3088\u304f\u3042\u308b\u30c8\u30e9\u30d6\u30eb\u3068\u89e3\u6c7a\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-23\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\u6642\u306e\u4e3b\u8981\u306a\u30a8\u30e9\u30fc\u3068\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-24\">\u5927\u91cf\u30c7\u30fc\u30bf\u51e6\u7406\u6642\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u30c6\u30af\u30cb\u30c3\u30af<\/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\">Laravel\u30e2\u30c7\u30eb\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">Eloquent\u30e2\u30c7\u30eb\u3068\u306f\u4f55\u304b\uff1f\u5b9f\u8df5\u7684\u306a\u89e3\u8aac<\/h3>\n\n\n\n<p>Eloquent\u30e2\u30c7\u30eb\u306f\u3001Laravel\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u306e\u4e2d\u6838\u3092\u62c5\u3046\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u76f4\u611f\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u65b9\u6cd5\u3067\u64cd\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u5f37\u529b\u306aORM\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e3b\u306a\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u30681\u5bfe1\u3067\u5bfe\u5fdc\u3059\u308bPHP\u30af\u30e9\u30b9<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u3092\u30b7\u30f3\u30d7\u30eb\u306a\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u3067\u5b9f\u73fe<\/li>\n\n\n\n<li>ActiveRecord\u30d1\u30bf\u30fc\u30f3\u3092\u63a1\u7528\u3057\u305f\u76f4\u611f\u7684\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/li>\n\n\n\n<li>\u8c4a\u5bcc\u306a\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u306b\u3088\u308b\u95a2\u9023\u30c7\u30fc\u30bf\u306e\u53d6\u5f97<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\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=\"\">\/\/ \u57fa\u672c\u7684\u306a\u30e2\u30c7\u30eb\u306e\u5b9a\u7fa9\nnamespace App\\Models;\n\nuse Illuminate\\Database\\Eloquent\\Model;\n\nclass User extends Model\n{\n    \/\/ \u30e2\u30c7\u30eb\u306e\u57fa\u672c\u8a2d\u5b9a\n    protected $table = 'users';      \/\/ \u30c6\u30fc\u30d6\u30eb\u540d\u306e\u6307\u5b9a\n    protected $primaryKey = 'id';    \/\/ \u4e3b\u30ad\u30fc\u306e\u6307\u5b9a\n\n    \/\/ \u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u81ea\u52d5\u8a2d\u5b9a\n    public $timestamps = true;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u30e2\u30c7\u30eb\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3084\u308a\u53d6\u308a\u3059\u308b\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>Eloquent\u30e2\u30c7\u30eb\u306f\u3001\u30af\u30a8\u30ea\u30d3\u30eb\u30c0\u3092\u901a\u3058\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u901a\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u904e\u7a0b\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u91cd\u8981\u306a\u51e6\u7406\u304c\u884c\u308f\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30af\u30a8\u30ea\u306e\u69cb\u7bc9<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e2\u30c7\u30eb\u3092\u901a\u3058\u305f\u30af\u30a8\u30ea\u306e\u4f8b\n$users = User::where('age', '&gt;', 20)\n            -&gt;orderBy('name')\n            -&gt;get();<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u306e\u5909\u63db\u51e6\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PHP\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u21d4 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ec\u30b3\u30fc\u30c9\u306e\u76f8\u4e92\u5909\u63db<\/li>\n\n\n\n<li>\u578b\u30ad\u30e3\u30b9\u30c8\u306b\u3088\u308b\u30c7\u30fc\u30bf\u578b\u306e\u81ea\u52d5\u5909\u63db<\/li>\n\n\n\n<li>\u30a2\u30af\u30bb\u30b5\u30fb\u30df\u30e5\u30fc\u30c6\u30bf\u306b\u3088\u308b\u5024\u306e\u52a0\u5de5<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30a4\u30d9\u30f3\u30c8\u306e\u767a\u706b<\/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=\"\">\/\/ \u30e2\u30c7\u30eb\u30a4\u30d9\u30f3\u30c8\u306e\u5229\u7528\u4f8b\nclass User extends Model\n{\n    protected static function booted()\n    {\n        static::created(function ($user) {\n            \/\/ \u30e6\u30fc\u30b6\u30fc\u4f5c\u6210\u6642\u306e\u51e6\u7406\n            Log::info('\u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u304c\u4f5c\u6210\u3055\u308c\u307e\u3057\u305f: ' . $user-&gt;name);\n        });\n    }\n}<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5229\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u4e3b\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u306e\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30ec\u30b3\u30fc\u30c9\u306e\u4f5c\u6210\n$user = new User;\n$user-&gt;name = '\u5c71\u7530\u592a\u90ce';\n$user-&gt;save();\n\n\/\/ \u30ec\u30b3\u30fc\u30c9\u306e\u53d6\u5f97\n$user = User::find(1);                 \/\/ \u4e3b\u30ad\u30fc\u3067\u53d6\u5f97\n$users = User::where('active', 1)-&gt;get(); \/\/ \u6761\u4ef6\u4ed8\u304d\u53d6\u5f97\n\n\/\/ \u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\n$user = User::find(1);\n$user-&gt;name = '\u5c71\u7530\u82b1\u5b50';\n$user-&gt;save();\n\n\/\/ \u30ec\u30b3\u30fc\u30c9\u306e\u524a\u9664\n$user = User::find(1);\n$user-&gt;delete();<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306aTips\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u540d\u524d\u7a7a\u9593\u306e\u9069\u5207\u306a\u5229\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30c7\u30eb\u306f<code>App\\Models<\/code>\u540d\u524d\u7a7a\u9593\u306b\u914d\u7f6e<\/li>\n\n\n\n<li>\u95a2\u9023\u3059\u308b\u30e2\u30c7\u30eb\u306f\u540c\u3058\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u914d\u7f6e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>PHPDoc\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=\"\">\/**\n * @property int $id\n * @property string $name\n * @property string $email\n * @property \\Carbon\\Carbon $created_at\n *\/\nclass User extends Model\n{\n    \/\/ \u30e2\u30c7\u30eb\u306e\u5b9f\u88c5\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u578b\u30d2\u30f3\u30c8\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=\"\">public function profile(): HasOne\n{\n    return $this-&gt;hasOne(Profile::class);\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001Eloquent\u30e2\u30c7\u30eb\u306f\u5358\u306a\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30af\u30bb\u30b9\u5c64\u3092\u8d85\u3048\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30c9\u30e1\u30a4\u30f3\u30ed\u30b8\u30c3\u30af\u3092\u8868\u73fe\u3059\u308b\u91cd\u8981\u306a\u5f79\u5272\u3092\u62c5\u3063\u3066\u3044\u307e\u3059\u3002\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u62e1\u5f35\u6027\u306e\u3042\u308b\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">\u30e2\u30c7\u30eb\u4f5c\u6210\u306e\u57fa\u672c\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">artisan\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u30e2\u30c7\u30eb\u306e\u4f5c\u6210\u65b9\u6cd5<\/h3>\n\n\n\n<p>Laravel\u306eartisan\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u3092\u52b9\u7387\u7684\u306b\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u30b3\u30de\u30f3\u30c9\u304b\u3089\u5fdc\u7528\u7684\u306a\u4f7f\u3044\u65b9\u307e\u3067\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u57fa\u672c\u7684\u306a\u30e2\u30c7\u30eb\u4f5c\u6210\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=\"\"># \u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u30e2\u30c7\u30eb\u4f5c\u6210\nphp artisan make:model Post\n\n# \u7279\u5b9a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\nphp artisan make:model Models\/Post\n\n# \u30e2\u30c7\u30eb\u540d\u306f\u5358\u6570\u5f62\u30fb\u30d1\u30b9\u30ab\u30eb\u30b1\u30fc\u30b9\u304c\u63a8\u5968\n# Good: User, BlogPost, OrderDetail\n# Bad: users, blog_posts, orderDetails<\/pre>\n\n\n\n<p>\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6d3b\u7528\u3057\u305f\u30e2\u30c7\u30eb\u4f5c\u6210\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=\"\"># -m: \u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u3082\u540c\u6642\u306b\u4f5c\u6210\nphp artisan make:model Post -m\n\n# -f: \u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u3082\u540c\u6642\u306b\u4f5c\u6210\nphp artisan make:model Post -f\n\n# -s: \u30b7\u30fc\u30c0\u30fc\u3082\u540c\u6642\u306b\u4f5c\u6210\nphp artisan make:model Post -s\n\n# \u5168\u90e8\u5165\u308a\u30aa\u30d7\u30b7\u30e7\u30f3\uff08\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\uff09\nphp artisan make:model Post -mfs\n\n# -a \u307e\u305f\u306f --all: \u95a2\u9023\u3059\u308b\u5168\u3066\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u4f5c\u6210\nphp artisan make:model Post -a\n# \u4ee5\u4e0b\u304c\u751f\u6210\u3055\u308c\u307e\u3059\uff1a\n# - \u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\n# - \u30d5\u30a1\u30af\u30c8\u30ea\u30fc\n# - \u30b7\u30fc\u30c0\u30fc\n# - \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\uff08\u30ea\u30bd\u30fc\u30b9\u30e1\u30bd\u30c3\u30c9\u4ed8\u304d\uff09\n# - \u30d5\u30a9\u30fc\u30e0\u30ea\u30af\u30a8\u30b9\u30c8<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u306e\u540c\u6642\u751f\u6210\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<p>\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u3092\u540c\u6642\u306b\u751f\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u306e\u4e00\u8cab\u6027\u7dad\u6301<\/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=\"\">\/\/ \u30e2\u30c7\u30eb\u3068\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u5bfe\u5fdc\u304c\u660e\u78ba\nclass Post extends Model\n{\n    protected $fillable = ['title', 'content', 'author_id'];\n}\n\n\/\/ \u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\npublic function up()\n{\n    Schema::create('posts', function (Blueprint $table) {\n        $table-&gt;id();\n        $table-&gt;string('title');\n        $table-&gt;text('content');\n        $table-&gt;foreignId('author_id')-&gt;constrained();\n        $table-&gt;timestamps();\n    });\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u958b\u767a\u52b9\u7387\u306e\u5411\u4e0a<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30c7\u30eb\u3068\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306e\u540c\u6642\u8a2d\u8a08\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u306e\u8a2d\u8a08\u304c\u30b9\u30e0\u30fc\u30ba<\/li>\n\n\n\n<li>\u30bf\u30a4\u30d7\u30df\u30b9\u306b\u3088\u308b\u30a8\u30e9\u30fc\u306e\u9632\u6b62<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u306e\u5bb9\u6613\u3055<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30c7\u30eb\u306e\u5909\u66f4\u3068\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306e\u5909\u66f4\u3092\u540c\u3058\u30b3\u30df\u30c3\u30c8\u3067\u7ba1\u7406<\/li>\n\n\n\n<li>\u30c1\u30fc\u30e0\u958b\u767a\u3067\u306e\u5909\u66f4\u306e\u8ffd\u8de1\u304c\u5bb9\u6613<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u3068\u30b7\u30fc\u30c0\u30fc\u306e\u6d3b\u7528\u8853<\/h3>\n\n\n\n<p>\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u751f\u6210\u3068\u7ba1\u7406\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u3068\u30b7\u30fc\u30c0\u30fc\u3092\u6d3b\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u306e\u5b9f\u88c5\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=\"\">\/\/ PostFactory.php\nnamespace Database\\Factories;\n\nuse App\\Models\\Post;\nuse Illuminate\\Database\\Eloquent\\Factories\\Factory;\n\nclass PostFactory extends Factory\n{\n    protected $model = Post::class;\n\n    public function definition()\n    {\n        return [\n            'title' =&gt; $this-&gt;faker-&gt;sentence,\n            'content' =&gt; $this-&gt;faker-&gt;paragraphs(3, true),\n            'author_id' =&gt; \\App\\Models\\User::factory(),\n            'published_at' =&gt; $this-&gt;faker-&gt;optional()-&gt;dateTime,\n        ];\n    }\n\n    \/\/ \u6295\u7a3f\u6e08\u307f\u72b6\u614b\u306e\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\n    public function published()\n    {\n        return $this-&gt;state(function (array $attributes) {\n            return [\n                'published_at' =&gt; now(),\n                'status' =&gt; 'published',\n            ];\n        });\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30b7\u30fc\u30c0\u30fc\u306e\u5b9f\u88c5\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=\"\">\/\/ PostSeeder.php\nnamespace Database\\Seeders;\n\nuse App\\Models\\Post;\nuse Illuminate\\Database\\Seeder;\n\nclass PostSeeder extends Seeder\n{\n    public function run()\n    {\n        \/\/ \u57fa\u672c\u7684\u306a\u30b7\u30fc\u30c7\u30a3\u30f3\u30b0\n        Post::factory()\n            -&gt;count(50)\n            -&gt;create();\n\n        \/\/ \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u4ed8\u304d\u306e\u30b7\u30fc\u30c7\u30a3\u30f3\u30b0\n        Post::factory()\n            -&gt;count(10)\n            -&gt;has(\\App\\Models\\Comment::factory()-&gt;count(3))\n            -&gt;create();\n\n        \/\/ \u7279\u5b9a\u306e\u72b6\u614b\u306e\u30c7\u30fc\u30bf\u4f5c\u6210\n        Post::factory()\n            -&gt;count(5)\n            -&gt;published()\n            -&gt;create();\n    }\n}<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306aTips\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u6e96\u5099<\/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\u30b1\u30fc\u30b9\u3067\u306e\u4f7f\u7528\u4f8b\npublic function test_post_creation()\n{\n    $post = Post::factory()-&gt;create();\n    $this-&gt;assertDatabaseHas('posts', [\n        'id' =&gt; $post-&gt;id,\n        'title' =&gt; $post-&gt;title\n    ]);\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u958b\u767a\u74b0\u5883\u306e\u30c7\u30fc\u30bf\u8a2d\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=\"\">\/\/ DatabaseSeeder.php\npublic function run()\n{\n    \/\/ \u958b\u767a\u306b\u5fc5\u8981\u306a\u6700\u5c0f\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\n    \\App\\Models\\User::factory()-&gt;create([\n        'email' =&gt; 'admin@example.com',\n    ]);\n\n    \/\/ \u305d\u306e\u4ed6\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\n    $this-&gt;call([\n        PostSeeder::class,\n        CommentSeeder::class,\n    ]);\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30d5\u30a1\u30af\u30c8\u30ea\u30fc\u30b9\u30c6\u30fc\u30c8\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=\"\">\/\/ \u8907\u6570\u306e\u72b6\u614b\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\nPost::factory()\n    -&gt;published()\n    -&gt;featured()\n    -&gt;create();<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u3092\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u958b\u767a\u3084\u30c6\u30b9\u30c8\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u5927\u5e45\u306b\u52b9\u7387\u5316\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u30c1\u30fc\u30e0\u958b\u767a\u306b\u304a\u3044\u3066\u306f\u3001\u4e00\u8cab\u3057\u305f\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u751f\u6210\u3068\u7ba1\u7406\u304c\u53ef\u80fd\u3068\u306a\u308a\u3001\u54c1\u8cea\u306e\u5411\u4e0a\u306b\u3082\u8ca2\u732e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">\u30e2\u30c7\u30eb\u306e\u5b9f\u8df5\u7684\u306a\u8a2d\u5b9a\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u30c6\u30fc\u30d6\u30eb\u540d\u3068\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/h3>\n\n\n\n<p>Laravel\u30e2\u30c7\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u3067\u3001\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u69cb\u9020\u3084\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8981\u4ef6\u306b\u67d4\u8edf\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c6\u30fc\u30d6\u30eb\u540d\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/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 CustomUser extends Model\n{\n    \/\/ \u30c6\u30fc\u30d6\u30eb\u540d\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\n    protected $table = 'custom_users';\n\n    \/\/ \u30c6\u30fc\u30d6\u30eb\u540d\u306e\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u6307\u5b9a\uff08\u30b0\u30ed\u30fc\u30d0\u30eb\u8a2d\u5b9a\u3082\u53ef\u80fd\uff09\n    protected $prefix = 'app_';\n\n    \/\/ \u63a5\u7d9a\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6307\u5b9a\n    protected $connection = 'mysql_readonly';\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u306e\u8a2d\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=\"\">class Product extends Model\n{\n    \/\/ \u6587\u5b57\u5217\u578b\u306e\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u3092\u4f7f\u7528\n    protected $keyType = 'string';\n    public $incrementing = false;\n\n    \/\/ \u30ab\u30b9\u30bf\u30e0\u30d7\u30e9\u30a4\u30de\u30ea\u30fc\u30ad\u30fc\u30ab\u30e9\u30e0\n    protected $primaryKey = 'product_code';\n\n    \/\/ \u8907\u5408\u30ad\u30fc\u306e\u5834\u5408\uff08Laravel 9\u4ee5\u964d\uff09\n    protected $primaryKey = ['category_id', 'product_id'];\n}<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\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=\"\">\/\/ UUID\u3092\u4f7f\u7528\u3059\u308b\u4f8b\nuse Illuminate\\Support\\Str;\n\nclass Document extends Model\n{\n    protected $keyType = 'string';\n    public $incrementing = false;\n\n    protected static function boot()\n    {\n        parent::boot();\n\n        static::creating(function ($model) {\n            if (empty($model-&gt;{$model-&gt;getKeyName()})) {\n                $model-&gt;{$model-&gt;getKeyName()} = Str::uuid()-&gt;toString();\n            }\n        });\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u5236\u5fa1\u3068\u30bd\u30d5\u30c8\u30c7\u30ea\u30fc\u30c8<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/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 Article extends Model\n{\n    \/\/ \u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u7121\u52b9\u5316\n    public $timestamps = false;\n\n    \/\/ \u30ab\u30b9\u30bf\u30e0\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u30ab\u30e9\u30e0\n    const CREATED_AT = 'creation_date';\n    const UPDATED_AT = 'last_modified';\n\n    \/\/ \u65e5\u4ed8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\n    protected $dateFormat = 'Y-m-d H:i:s.u';\n\n    \/\/ \u65e5\u4ed8\u3068\u3057\u3066\u6271\u3046\u30ab\u30e9\u30e0\u306e\u8ffd\u52a0\n    protected $dates = [\n        'published_at',\n        'reviewed_at',\n        'expired_at'\n    ];\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30bd\u30d5\u30c8\u30c7\u30ea\u30fc\u30c8\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">use Illuminate\\Database\\Eloquent\\SoftDeletes;\n\nclass Post extends Model\n{\n    use SoftDeletes;\n\n    \/\/ \u30bd\u30d5\u30c8\u30c7\u30ea\u30fc\u30c8\u306e\u30ab\u30e9\u30e0\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\n    const DELETED_AT = 'removed_at';\n\n    \/\/ \u30ab\u30b9\u30b1\u30fc\u30c9\u30bd\u30d5\u30c8\u30c7\u30ea\u30fc\u30c8\n    protected static function boot()\n    {\n        parent::boot();\n\n        static::deleting(function($post) {\n            $post-&gt;comments()-&gt;delete();\n            $post-&gt;attachments()-&gt;delete();\n        });\n    }\n}\n\n\/\/ \u30bd\u30d5\u30c8\u30c7\u30ea\u30fc\u30c8\u306e\u6d3b\u7528\u4f8b\n$post = Post::withTrashed()-&gt;find(1);    \/\/ \u524a\u9664\u6e08\u307f\u3082\u542b\u3081\u3066\u53d6\u5f97\n$post = Post::onlyTrashed()-&gt;get();      \/\/ \u524a\u9664\u6e08\u307f\u306e\u307f\u53d6\u5f97\n$post-&gt;restore();                        \/\/ \u5fa9\u5143\n$post-&gt;forceDelete();                    \/\/ \u5b8c\u5168\u524a\u9664<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u4ee3\u5165\u5236\u5fa1\uff08fillable\u3068guarded\uff09<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4ee3\u5165\u53ef\u80fd\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5236\u5fa1<\/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 User extends Model\n{\n    \/\/ \u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u65b9\u5f0f\uff08\u63a8\u5968\uff09\n    protected $fillable = [\n        'name',\n        'email',\n        'password',\n        'settings'\n    ];\n\n    \/\/ \u307e\u305f\u306f\u3001\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u65b9\u5f0f\n    protected $guarded = [\n        'id',\n        'remember_token',\n        'role'\n    ];\n\n    \/\/ \u914d\u5217\u30fbJSON\u3068\u3057\u3066\u6271\u3046\u30d5\u30a3\u30fc\u30eb\u30c9\n    protected $casts = [\n        'settings' =&gt; 'array',\n        'preferences' =&gt; 'json',\n        'is_active' =&gt; 'boolean',\n        'last_login' =&gt; 'datetime',\n        'meta' =&gt; 'collection'\n    ];\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u4e00\u62ec\u4ee3\u5165\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5b89\u5168\u306a\u4e00\u62ec\u4ee3\u5165\n$user = User::create([\n    'name' =&gt; $request-&gt;name,\n    'email' =&gt; $request-&gt;email,\n    'password' =&gt; Hash::make($request-&gt;password)\n]);\n\n\/\/ \u52d5\u7684\u306a$fillable\u306e\u8a2d\u5b9a\nclass DynamicModel extends Model\n{\n    public function setFillableFields(array $fields)\n    {\n        $this-&gt;fillable = $fields;\n        return $this;\n    }\n}\n\n\/\/ \u7279\u5b9a\u306e\u72b6\u6cc1\u3067\u306e$guarded\u306e\u4e00\u6642\u7684\u306a\u89e3\u9664\n$model-&gt;unguard();\ntry {\n    \/\/ \u5371\u967a\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\n    Model::create($unsafeData);\n} finally {\n    $model-&gt;reguard();\n}<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\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=\"\">class Payment extends Model\n{\n    \/\/ \u91cd\u8981\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u5fc5\u305aguarded\u306b\n    protected $guarded = [\n        'status',\n        'verified_at',\n        'transaction_id'\n    ];\n\n    \/\/ \u4ee3\u308f\u308a\u306b\u30e1\u30bd\u30c3\u30c9\u3067\u5236\u5fa1\n    public function markAsVerified()\n    {\n        $this-&gt;verified_at = now();\n        $this-&gt;status = 'verified';\n        $this-&gt;save();\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3068\u306e\u9023\u643a<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ FormRequest\u3067\u306e\u691c\u8a3c\nclass UserRequest extends FormRequest\n{\n    public function rules()\n    {\n        return [\n            'name' =&gt; 'required|string|max:255',\n            'email' =&gt; 'required|email|unique:users,email,'.$this-&gt;user-&gt;id,\n            'settings' =&gt; 'sometimes|array'\n        ];\n    }\n}\n\n\/\/ \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3067\u306e\u4f7f\u7528\npublic function update(UserRequest $request, User $user)\n{\n    $user-&gt;update($request-&gt;validated());\n    return response()-&gt;json($user);\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30e2\u30c7\u30eb\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001<code>$fillable<\/code>\u3068<code>$guarded<\/code>\u306e\u4f7f\u3044\u5206\u3051\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u305f\u3081\u3001\u614e\u91cd\u306b\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">hasMany\u30fbbelongsTo\u306e\u9069\u5207\u306a\u4f7f\u3044\u5206\u3051<\/h3>\n\n\n\n<p>Laravel\u306e\u57fa\u672c\u7684\u306a\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u3067\u3042\u308b<code>hasMany<\/code>\u3068<code>belongsTo<\/code>\u306e\u4f7f\u3044\u5206\u3051\u3092\u3001\u5b9f\u8df5\u7684\u306a\u4f8b\u3092\u901a\u3058\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u7684\u306a\u95a2\u4fc2\u306e\u5b9a\u7fa9<\/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=\"\">\/\/ User\u30e2\u30c7\u30eb\nclass User extends Model\n{\n    \/\/ 1\u5bfe\u591a\u306e\u95a2\u4fc2\uff08\u30e6\u30fc\u30b6\u30fc\u306f\u8907\u6570\u306e\u6295\u7a3f\u3092\u6301\u3064\uff09\n    public function posts()\n    {\n        return $this-&gt;hasMany(Post::class);\n    }\n\n    \/\/ 1\u5bfe1\u306e\u95a2\u4fc2\uff08\u30e6\u30fc\u30b6\u30fc\u306f1\u3064\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u3092\u6301\u3064\uff09\n    public function profile()\n    {\n        return $this-&gt;hasOne(Profile::class);\n    }\n}\n\n\/\/ Post\u30e2\u30c7\u30eb\nclass Post extends Model\n{\n    \/\/ \u9006\u306e\u95a2\u4fc2\uff08\u6295\u7a3f\u306f1\u4eba\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u5c5e\u3059\u308b\uff09\n    public function user()\n    {\n        return $this-&gt;belongsTo(User::class);\n    }\n\n    \/\/ \u5916\u90e8\u30ad\u30fc\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\n    public function author()\n    {\n        return $this-&gt;belongsTo(User::class, 'author_id');\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Eager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u6d3b\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u53d6\u5f97\n$users = User::with(['posts', 'profile'])-&gt;get();\n\n\/\/ \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u6761\u4ef6\u3092\u4f7f\u7528\u3057\u305f\u30af\u30a8\u30ea\n$users = User::has('posts', '&gt;=', 3)\n    -&gt;whereHas('profile', function ($query) {\n        $query-&gt;where('is_verified', true);\n    })\n    -&gt;get();\n\n\/\/ \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u30ab\u30a6\u30f3\u30c8\u53d6\u5f97\n$users = User::withCount('posts')\n    -&gt;having('posts_count', '&gt;', 5)\n    -&gt;get();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u305f\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a<\/h3>\n\n\n\n<p>\u591a\u5bfe\u591a\u306e\u95a2\u4fc2\u3092\u6271\u3046\u969b\u306e\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u7684\u306a\u591a\u5bfe\u591a\u306e\u95a2\u4fc2<\/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=\"\">\/\/ \u8a18\u4e8b\u3068\u30bf\u30b0\u306e\u591a\u5bfe\u591a\u95a2\u4fc2\nclass Post extends Model\n{\n    public function tags()\n    {\n        return $this-&gt;belongsToMany(Tag::class)\n            -&gt;withTimestamps()  \/\/ \u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\n            -&gt;withPivot(['order', 'added_by']); \/\/ \u8ffd\u52a0\u306e\u30d4\u30dc\u30c3\u30c8\u5c5e\u6027\n    }\n}\n\nclass Tag extends Model\n{\n    public function posts()\n    {\n        return $this-&gt;belongsToMany(Post::class);\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30ab\u30b9\u30bf\u30e0\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u30e2\u30c7\u30eb\u306e\u4f7f\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=\"\">\/\/ \u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u30e2\u30c7\u30eb\nclass Membership extends Pivot\n{\n    protected $table = 'team_user';\n\n    \/\/ \u8ffd\u52a0\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\n    public function activity()\n    {\n        return $this-&gt;hasMany(Activity::class);\n    }\n}\n\n\/\/ \u30c1\u30fc\u30e0\u30e2\u30c7\u30eb\nclass Team extends Model\n{\n    public function users()\n    {\n        return $this-&gt;belongsToMany(User::class)\n            -&gt;using(Membership::class)\n            -&gt;withPivot(['role', 'joined_at'])\n            -&gt;wherePivot('active', true);\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u306e\u6d3b\u7528\u4f8b<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\n$post-&gt;tags()-&gt;attach($tagId, ['order' =&gt; 1]);\n$post-&gt;tags()-&gt;detach($tagId);\n$post-&gt;tags()-&gt;sync([1 =&gt; ['order' =&gt; 1], 2 =&gt; ['order' =&gt; 2]]);\n$post-&gt;tags()-&gt;syncWithoutDetaching([1, 2, 3]);\n\n\/\/ \u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\n$post-&gt;tags-&gt;each(function ($tag) {\n    echo $tag-&gt;pivot-&gt;order;\n});<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u95a2\u9023\u4ed8\u3051\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u7684\u306a\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u95a2\u4fc2<\/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=\"\">\/\/ \u30b3\u30e1\u30f3\u30c8\u53ef\u80fd\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\ninterface Commentable\n{\n    public function comments();\n}\n\n\/\/ \u6295\u7a3f\u30e2\u30c7\u30eb\nclass Post extends Model implements Commentable\n{\n    public function comments()\n    {\n        return $this-&gt;morphMany(Comment::class, 'commentable');\n    }\n}\n\n\/\/ \u5546\u54c1\u30e2\u30c7\u30eb\nclass Product extends Model implements Commentable\n{\n    public function comments()\n    {\n        return $this-&gt;morphMany(Comment::class, 'commentable');\n    }\n}\n\n\/\/ \u30b3\u30e1\u30f3\u30c8\u30e2\u30c7\u30eb\nclass Comment extends Model\n{\n    public function commentable()\n    {\n        return $this-&gt;morphTo();\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30c3\u30af\u591a\u5bfe\u591a\u306e\u95a2\u4fc2<\/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=\"\">\/\/ \u30bf\u30b0\u4ed8\u3051\u53ef\u80fd\u306a\u5b9f\u88c5\nclass Tag extends Model\n{\n    public function posts()\n    {\n        return $this-&gt;morphedByMany(Post::class, 'taggable');\n    }\n\n    public function videos()\n    {\n        return $this-&gt;morphedByMany(Video::class, 'taggable');\n    }\n}\n\nclass Post extends Model\n{\n    public function tags()\n    {\n        return $this-&gt;morphToMany(Tag::class, 'taggable');\n    }\n}<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306aTips\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u8a2d\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=\"\">\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u4e26\u3073\u9806\u3092\u8a2d\u5b9a\npublic function comments()\n{\n    return $this-&gt;hasMany(Comment::class)\n        -&gt;latest()\n        -&gt;whereNull('parent_id');\n}\n\n\/\/ \u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\u306e\u6d3b\u7528\nprotected static function booted()\n{\n    static::addGlobalScope('active', function ($query) {\n        $query-&gt;where('active', true);\n    });\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6761\u4ef6\u4ed8\u304d\u30ea\u30ec\u30fc\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=\"\">\/\/ \u7279\u5b9a\u6761\u4ef6\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\npublic function latestComment()\n{\n    return $this-&gt;hasOne(Comment::class)-&gt;latest();\n}\n\npublic function activeSubscribers()\n{\n    return $this-&gt;belongsToMany(User::class, 'subscriptions')\n        -&gt;wherePivot('status', 'active')\n        -&gt;wherePivot('expires_at', '&gt;', now());\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u3068\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ N+1\u554f\u984c\u306e\u89e3\u6c7a\n$posts = Post::with(['user', 'comments.user'])\n    -&gt;withCount('comments')\n    -&gt;whereHas('tags', function ($query) {\n        $query-&gt;where('name', 'Laravel');\n    })\n    -&gt;paginate(20);<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u6a5f\u80fd\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3082\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305fEager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u6d3b\u7528\u3068\u3001\u9069\u5207\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u8a08\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-15\">\u30e2\u30c7\u30eb\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u6d3b\u7528<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u30a2\u30af\u30bb\u30b5\u3068\u30df\u30e5\u30fc\u30c6\u30bf\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u6cd5<\/h3>\n\n\n\n<p>\u30a2\u30af\u30bb\u30b5\u3068\u30df\u30e5\u30fc\u30c6\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u306e\u30c7\u30fc\u30bf\u53d6\u5f97\u30fb\u8a2d\u5b9a\u6642\u306e\u51e6\u7406\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u7684\u306a\u30a2\u30af\u30bb\u30b5\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class User extends Model\n{\n    \/\/ \u57fa\u672c\u7684\u306a\u30a2\u30af\u30bb\u30b5\n    public function getFullNameAttribute()\n    {\n        return \"{$this-&gt;first_name} {$this-&gt;last_name}\";\n    }\n\n    \/\/ \u6761\u4ef6\u4ed8\u304d\u30a2\u30af\u30bb\u30b5\n    public function getStatusLabelAttribute()\n    {\n        return match($this-&gt;status) {\n            'active' =&gt; '\u6709\u52b9',\n            'pending' =&gt; '\u4fdd\u7559\u4e2d',\n            'suspended' =&gt; '\u505c\u6b62\u4e2d',\n            default =&gt; '\u4e0d\u660e'\n        };\n    }\n\n    \/\/ \u914d\u5217\/JSON\u30c7\u30fc\u30bf\u306e\u30a2\u30af\u30bb\u30b5\n    protected $casts = [\n        'preferences' =&gt; 'array'\n    ];\n\n    public function getPreferenceAttribute($key)\n    {\n        return data_get($this-&gt;preferences, $key);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\n$user = User::first();\necho $user-&gt;full_name;  \/\/ \u30a2\u30af\u30bb\u30b5\u3092\u901a\u3058\u3066\u53d6\u5f97\necho $user-&gt;status_label;  \/\/ \u30b9\u30c6\u30fc\u30bf\u30b9\u30e9\u30d9\u30eb\u3092\u53d6\u5f97<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30df\u30e5\u30fc\u30c6\u30bf\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Post extends Model\n{\n    \/\/ \u57fa\u672c\u7684\u306a\u30df\u30e5\u30fc\u30c6\u30bf\n    public function setTitleAttribute($value)\n    {\n        $this-&gt;attributes['title'] = Str::title($value);\n        $this-&gt;attributes['slug'] = Str::slug($value);\n    }\n\n    \/\/ \u65e5\u4ed8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u30df\u30e5\u30fc\u30c6\u30bf\n    public function setPublishedAtAttribute($value)\n    {\n        $this-&gt;attributes['published_at'] = Carbon::parse($value);\n    }\n\n    \/\/ JSON\u30c7\u30fc\u30bf\u306e\u30df\u30e5\u30fc\u30c6\u30bf\n    public function setMetaDataAttribute($value)\n    {\n        $this-&gt;attributes['meta_data'] = is_array($value) \n            ? json_encode($value) \n            : $value;\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30a2\u30af\u30bb\u30b5\u3068\u30df\u30e5\u30fc\u30c6\u30bf\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\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=\"\">class Order extends Model\n{\n    protected $appends = ['total_amount', 'tax_amount'];\n\n    \/\/ \u8a08\u7b97\u6e08\u307f\u5c5e\u6027\n    public function getTotalAmountAttribute()\n    {\n        return $this-&gt;items-&gt;sum(function ($item) {\n            return $item-&gt;quantity * $item-&gt;price;\n        });\n    }\n\n    \/\/ \u7a0e\u984d\u8a08\u7b97\n    public function getTaxAmountAttribute()\n    {\n        return $this-&gt;total_amount * config('tax.rate');\n    }\n\n    \/\/ \u914d\u5217\u5909\u63db\u6642\u306e\u5c5e\u6027\u5236\u5fa1\n    protected $hidden = ['secret_key', 'internal_notes'];\n\n    \/\/ API\u30ec\u30b9\u30dd\u30f3\u30b9\u7528\u306e\u30ab\u30b9\u30bf\u30e0\u5c5e\u6027\n    public function toArray()\n    {\n        $array = parent::toArray();\n        $array['formatted_date'] = $this-&gt;created_at-&gt;format('Y\u5e74m\u6708d\u65e5');\n        return $array;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30b9\u30b3\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u305f\u30af\u30a8\u30ea\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba<\/h3>\n\n\n\n<p>\u30b9\u30b3\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5171\u901a\u306e\u30af\u30a8\u30ea\u6761\u4ef6\u3092\u518d\u5229\u7528\u53ef\u80fd\u306a\u5f62\u3067\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\u306e\u5b9f\u88c5<\/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=\"\">\/\/ \u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\u30af\u30e9\u30b9\nclass ActiveScope implements Scope\n{\n    public function apply(Builder $builder, Model $model)\n    {\n        $builder-&gt;where('is_active', true);\n    }\n}\n\nclass Post extends Model\n{\n    protected static function booted()\n    {\n        static::addGlobalScope(new ActiveScope);\n\n        \/\/ \u30af\u30ed\u30fc\u30b8\u30e3\u306b\u3088\u308b\u30b0\u30ed\u30fc\u30d0\u30eb\u30b9\u30b3\u30fc\u30d7\n        static::addGlobalScope('published', function (Builder $builder) {\n            $builder-&gt;whereNotNull('published_at')\n                   -&gt;where('published_at', '&lt;=', now());\n        });\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30ed\u30fc\u30ab\u30eb\u30b9\u30b3\u30fc\u30d7\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class User extends Model\n{\n    \/\/ \u57fa\u672c\u7684\u306a\u30b9\u30b3\u30fc\u30d7\n    public function scopeActive($query)\n    {\n        return $query-&gt;where('status', 'active');\n    }\n\n    \/\/ \u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u30b9\u30b3\u30fc\u30d7\n    public function scopeRole($query, $role)\n    {\n        return $query-&gt;where('role', $role);\n    }\n\n    \/\/ \u8907\u5408\u6761\u4ef6\u306e\u30b9\u30b3\u30fc\u30d7\n    public function scopeSubscribed($query)\n    {\n        return $query-&gt;whereHas('subscriptions', function ($q) {\n            $q-&gt;where('status', 'active')\n              -&gt;where('expires_at', '&gt;', now());\n        });\n    }\n}\n\n\/\/ \u30b9\u30b3\u30fc\u30d7\u306e\u4f7f\u7528\u4f8b\n$activeAdmins = User::active()-&gt;role('admin')-&gt;get();\n$activeSubscribers = User::subscribed()-&gt;get();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u30a4\u30d9\u30f3\u30c8\u3068\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30e2\u30c7\u30eb\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30a4\u30d9\u30f3\u30c8\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u69d8\u3005\u306a\u81ea\u52d5\u51e6\u7406\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e2\u30c7\u30eb\u30a4\u30d9\u30f3\u30c8\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Post extends Model\n{\n    protected static function booted()\n    {\n        \/\/ \u4f5c\u6210\u6642\u306e\u30a4\u30d9\u30f3\u30c8\n        static::creating(function ($post) {\n            $post-&gt;slug = Str::slug($post-&gt;title);\n            $post-&gt;author_id = auth()-&gt;id();\n        });\n\n        \/\/ \u66f4\u65b0\u6642\u306e\u30a4\u30d9\u30f3\u30c8\n        static::updating(function ($post) {\n            if ($post-&gt;isDirty('title')) {\n                $post-&gt;slug = Str::slug($post-&gt;title);\n            }\n        });\n\n        \/\/ \u524a\u9664\u6642\u306e\u30a4\u30d9\u30f3\u30c8\n        static::deleting(function ($post) {\n            $post-&gt;comments()-&gt;delete();\n            Storage::delete($post-&gt;thumbnail_path);\n        });\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u306e\u5b9f\u88c5<\/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=\"\">\/\/ \u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30af\u30e9\u30b9\nclass UserObserver\n{\n    public function created(User $user)\n    {\n        \/\/ \u30a6\u30a7\u30eb\u30ab\u30e0\u30e1\u30fc\u30eb\u9001\u4fe1\n        Mail::to($user)-&gt;send(new WelcomeEmail($user));\n\n        \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306e\u4f5c\u6210\n        $user-&gt;settings()-&gt;create([\n            'notifications_enabled' =&gt; true,\n            'theme' =&gt; 'light'\n        ]);\n    }\n\n    public function updated(User $user)\n    {\n        if ($user-&gt;wasChanged('email')) {\n            \/\/ \u30e1\u30fc\u30eb\u5909\u66f4\u306e\u691c\u8a3c\u51e6\u7406\n            $user-&gt;email_verified_at = null;\n            $user-&gt;sendEmailVerificationNotification();\n        }\n    }\n\n    public function deleting(User $user)\n    {\n        \/\/ \u95a2\u9023\u30c7\u30fc\u30bf\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\n        $user-&gt;posts()-&gt;delete();\n        $user-&gt;comments()-&gt;delete();\n        Storage::deleteDirectory(\"users\/{$user-&gt;id}\");\n    }\n}\n\n\/\/ \u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u306e\u767b\u9332\nclass AppServiceProvider extends ServiceProvider\n{\n    public function boot()\n    {\n        User::observe(UserObserver::class);\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\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=\"\">class Order extends Model\n{\n    protected $dispatchesEvents = [\n        'created' =&gt; OrderCreated::class,\n        'updated' =&gt; OrderStatusChanged::class,\n    ];\n\n    protected static function booted()\n    {\n        \/\/ \u6ce8\u6587\u78ba\u5b9a\u6642\u306e\u5728\u5eab\u30c1\u30a7\u30c3\u30af\n        static::creating(function ($order) {\n            foreach ($order-&gt;items as $item) {\n                if (! $item-&gt;product-&gt;hasEnoughStock($item-&gt;quantity)) {\n                    throw new InsufficientStockException($item-&gt;product);\n                }\n            }\n        });\n\n        \/\/ \u6ce8\u6587\u5b8c\u4e86\u6642\u306e\u51e6\u7406\n        static::created(function ($order) {\n            \/\/ \u5728\u5eab\u306e\u6e1b\u7b97\n            foreach ($order-&gt;items as $item) {\n                $item-&gt;product-&gt;decrementStock($item-&gt;quantity);\n            }\n\n            \/\/ \u6ce8\u6587\u78ba\u8a8d\u30e1\u30fc\u30eb\u306e\u9001\u4fe1\n            Mail::to($order-&gt;user)-&gt;send(new OrderConfirmation($order));\n        });\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u3046\u307e\u304f\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u305f\u30e2\u30c7\u30eb\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u30a4\u30d9\u30f3\u30c8\u3068\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u306e\u8cac\u52d9\u3092\u9069\u5207\u306b\u5206\u96e2\u3057\u3001\u30c6\u30b9\u30bf\u30d3\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-19\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">Eager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u305fN+1\u554f\u984c\u306e\u89e3\u6c7a<\/h3>\n\n\n\n<p>N+1\u554f\u984c\u306f\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u6301\u3064\u30e2\u30c7\u30eb\u3067\u3088\u304f\u767a\u751f\u3059\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u3067\u3059\u3002\u9069\u5207\u306aEager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u554f\u984c\u3092\u52b9\u679c\u7684\u306b\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>N+1\u554f\u984c\u306e\u7279\u5b9a\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=\"\">\/\/ N+1\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u30b3\u30fc\u30c9\n$posts = Post::all();  \/\/ 1\u56de\u76ee\u306e\u30af\u30a8\u30ea\nforeach ($posts as $post) {\n    echo $post-&gt;author-&gt;name;  \/\/ \u5404\u6295\u7a3f\u3054\u3068\u306b\u8ffd\u52a0\u30af\u30a8\u30ea\u304c\u767a\u751f\n}\n\n\/\/ Eager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3088\u308b\u89e3\u6c7a\n$posts = Post::with('author')-&gt;get();  \/\/ 2\u56de\u306e\u30af\u30a8\u30ea\u306e\u307f\nforeach ($posts as $post) {\n    echo $post-&gt;author-&gt;name;  \/\/ \u8ffd\u52a0\u30af\u30a8\u30ea\u306a\u3057\n}\n\n\/\/ \u8907\u6570\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306eEager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\n$posts = Post::with(['author', 'comments', 'tags'])-&gt;get();\n\n\/\/ \u30cd\u30b9\u30c8\u3055\u308c\u305f\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306eEager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\n$posts = Post::with([\n    'comments',\n    'comments.user',\n    'tags',\n    'author.profile'\n])-&gt;get();<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6761\u4ef6\u4ed8\u304dEager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u7279\u5b9a\u6761\u4ef6\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u307f\u8aad\u307f\u8fbc\u307f\n$posts = Post::with(['comments' =&gt; function ($query) {\n    $query-&gt;where('approved', true)\n          -&gt;latest();\n}])-&gt;get();\n\n\/\/ \u5fc5\u8981\u306a\u30ab\u30e9\u30e0\u306e\u307f\u53d6\u5f97\n$posts = Post::with(['author:id,name,email'])-&gt;get();\n\n\/\/ \u52d5\u7684\u306aEager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\n$posts = Post::query()\n    -&gt;when($request-&gt;includeTags, function ($query) {\n        $query-&gt;with('tags');\n    })\n    -&gt;when($request-&gt;includeComments, function ($query) {\n        $query-&gt;with(['comments' =&gt; function ($query) {\n            $query-&gt;latest()-&gt;limit(5);\n        }]);\n    })\n    -&gt;get();<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>LazyEager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3068Lazy\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ LazyEager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\n$posts = Post::all();\nif ($someCondition) {\n    $posts-&gt;load('comments');\n}\n\n\/\/ \u7279\u5b9a\u30e2\u30c7\u30eb\u306e\u307f\u8ffd\u52a0\u30ed\u30fc\u30c9\n$post = Post::find(1);\n$post-&gt;load(['comments' =&gt; function ($query) {\n    $query-&gt;where('approved', true);\n}]);\n\n\/\/ Lazy\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u4f7f\u7528\nPost::lazy()-&gt;each(function ($post) {\n    \/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u51e6\u7406\n});<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u30af\u30a8\u30ea\u30b9\u30b3\u30fc\u30d7\u3092\u6d3b\u7528\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584<\/h3>\n\n\n\n<p>\u30af\u30a8\u30ea\u30b9\u30b3\u30fc\u30d7\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3057\u3064\u3064\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8003\u616e\u3057\u305f\u30b9\u30b3\u30fc\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=\"\">class Post extends Model\n{\n    \/\/ \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6d3b\u7528\u3059\u308b\u30b9\u30b3\u30fc\u30d7\n    public function scopePublished($query)\n    {\n        return $query-&gt;whereNotNull('published_at')\n                    -&gt;where('published_at', '&lt;=', now())\n                    -&gt;where('status', 'published')\n                    -&gt;orderBy('published_at', 'desc');\n    }\n\n    \/\/ \u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6d3b\u7528\u3059\u308b\u30b9\u30b3\u30fc\u30d7\n    public function scopePopular($query)\n    {\n        return $query-&gt;where('views_count', '&gt;', 1000)\n                    -&gt;orderBy('views_count', 'desc')\n                    -&gt;orderBy('created_at', 'desc');\n    }\n}\n\n\/\/ \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5b9a\u7fa9\uff08\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\uff09\nSchema::table('posts', function (Blueprint $table) {\n    $table-&gt;index(['status', 'published_at']);\n    $table-&gt;index(['views_count', 'created_at']);\n});<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30af\u30a8\u30ea\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5fc5\u8981\u306a\u30ab\u30e9\u30e0\u306e\u307f\u53d6\u5f97\n$posts = Post::select(['id', 'title', 'published_at'])\n    -&gt;published()\n    -&gt;get();\n\n\/\/ \u30af\u30a8\u30ea\u306e\u30c1\u30e3\u30f3\u30af\u51e6\u7406\nPost::chunk(100, function ($posts) {\n    foreach ($posts as $post) {\n        \/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u4e00\u62ec\u51e6\u7406\n    }\n});\n\n\/\/ \u96c6\u8a08\u51e6\u7406\u306e\u6700\u9069\u5316\n$stats = Post::select('author_id')\n    -&gt;selectRaw('COUNT(*) as posts_count')\n    -&gt;selectRaw('AVG(views_count) as avg_views')\n    -&gt;groupBy('author_id')\n    -&gt;having('posts_count', '&gt;', 10)\n    -&gt;get();<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\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=\"\">class Post extends Model\n{\n    \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d3b\u7528\u3057\u305f\u30a2\u30af\u30bb\u30b5\n    public function getViewCountAttribute()\n    {\n        return Cache::remember(\n            \"post.{$this-&gt;id}.view_count\",\n            now()-&gt;addHours(24),\n            fn() =&gt; $this-&gt;views()-&gt;count()\n        );\n    }\n\n    \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d3b\u7528\u3057\u305f\u30af\u30a8\u30ea\u30b9\u30b3\u30fc\u30d7\n    public function scopeCachedPopular($query)\n    {\n        return Cache::remember('popular_posts', now()-&gt;addHours(1), function () use ($query) {\n            return $query-&gt;popular()-&gt;limit(10)-&gt;get();\n        });\n    }\n}\n\n\/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30bf\u30b0\u306e\u6d3b\u7528\n$posts = Cache::tags(['posts', 'featured'])-&gt;remember('featured_posts', now()-&gt;addHour(), function () {\n    return Post::featured()-&gt;with('author')-&gt;get();\n});<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306eTips\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u5b9f\u88c5<\/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=\"\">\/\/ \u30d0\u30c3\u30c1\u66f4\u65b0\u306e\u5b9f\u88c5\npublic function updateViewCounts()\n{\n    Post::where('needs_view_update', true)\n        -&gt;chunkById(1000, function ($posts) {\n            $updates = [];\n            foreach ($posts as $post) {\n                $updates[$post-&gt;id] = [\n                    'view_count' =&gt; DB::raw('view_count + tmp_view_count'),\n                    'tmp_view_count' =&gt; 0,\n                    'needs_view_update' =&gt; false\n                ];\n            }\n            Batch::update(new Post, $updates);\n        });\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30af\u30a8\u30ea\u30ed\u30b0\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u958b\u767a\u74b0\u5883\u3067\u306e\u30af\u30a8\u30ea\u30ed\u30b0\u8a2d\u5b9a\nDB::listen(function ($query) {\n    Log::info(sprintf(\n        'Query: %s; Bindings: %s; Time: %s ms',\n        $query-&gt;sql,\n        json_encode($query-&gt;bindings),\n        $query-&gt;time\n    ));\n});<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30c7\u30d0\u30c3\u30b0\u3068\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30af\u30a8\u30ea\u306e\u5b9f\u884c\u30d7\u30e9\u30f3\u78ba\u8a8d\n$explain = DB::select('EXPLAIN ' . $query-&gt;toSql(), $query-&gt;getBindings());\n\n\/\/ \u30af\u30a8\u30ea\u30ab\u30a6\u30f3\u30c8\u306e\u78ba\u8a8d\nDB::enableQueryLog();\n\/\/ \u30af\u30a8\u30ea\u5b9f\u884c\n$queryLog = DB::getQueryLog();<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5927\u5e45\u306b\u6539\u5584\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u306f\u3001Eager\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9069\u5207\u306a\u4f7f\u7528\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-22\">\u3088\u304f\u3042\u308b\u30c8\u30e9\u30d6\u30eb\u3068\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\u6642\u306e\u4e3b\u8981\u306a\u30a8\u30e9\u30fc\u3068\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\u6642\u306b\u3088\u304f\u767a\u751f\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5916\u90e8\u30ad\u30fc\u95a2\u9023\u306e\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\u554f\u984c\u30d1\u30bf\u30fc\u30f3\nclass Post extends Model\n{\n    \/\/ \u554f\u984c: \u5916\u90e8\u30ad\u30fc\u306e\u540d\u524d\u304c\u6163\u4f8b\u3068\u7570\u306a\u308b\n    public function author()\n    {\n        \/\/ \u30a8\u30e9\u30fc: unknown column 'posts.user_id'\n        return $this-&gt;belongsTo(User::class);\n    }\n}\n\n\/\/ \u89e3\u6c7a\u65b9\u6cd5: \u5916\u90e8\u30ad\u30fc\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\nclass Post extends Model\n{\n    public function author()\n    {\n        return $this-&gt;belongsTo(User::class, 'author_id');\n    }\n}\n\n\/\/ \u8907\u5408\u30ad\u30fc\u306e\u5834\u5408\u306e\u5bfe\u51e6\nclass OrderItem extends Model\n{\n    public function order()\n    {\n        return $this-&gt;belongsTo(Order::class)\n            -&gt;where('store_id', $this-&gt;store_id); \/\/ \u8ffd\u52a0\u306e\u5236\u7d04\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u5faa\u74b0\u53c2\u7167\u306e\u554f\u984c<\/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=\"\">\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\nclass Category extends Model\n{\n    public function parent()\n    {\n        return $this-&gt;belongsTo(Category::class, 'parent_id');\n    }\n\n    public function children()\n    {\n        return $this-&gt;hasMany(Category::class, 'parent_id');\n    }\n\n    \/\/ \u7121\u9650\u30eb\u30fc\u30d7\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u5b9f\u88c5\n    public function allChildren()\n    {\n        return $this-&gt;children()-&gt;with('allChildren');\n    }\n}\n\n\/\/ \u89e3\u6c7a\u65b9\u6cd5\uff1a\u518d\u5e30\u306e\u5236\u9650\u3092\u8a2d\u5b9a\nclass Category extends Model\n{\n    public function limitedChildren()\n    {\n        return $this-&gt;children()-&gt;with(['limitedChildren' =&gt; function ($query) {\n            $query-&gt;limit(100); \/\/ \u5236\u9650\u3092\u8a2d\u5b9a\n        }])-&gt;limit(10);\n    }\n\n    \/\/ \u307e\u305f\u306f\u6df1\u3055\u3092\u5236\u9650\n    public function childrenWithDepth($depth = 3)\n    {\n        $relation = $this-&gt;children();\n\n        for ($i = 1; $i &lt; $depth; $i++) {\n            $relation-&gt;with(['children' =&gt; function ($query) use ($depth) {\n                $query-&gt;limit(100);\n            }]);\n        }\n\n        return $relation;\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u5b58\u5728\u3057\u306a\u3044\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u5bfe\u51e6<\/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\u3092\u9632\u3050\u5b9f\u88c5\nclass Post extends Model\n{\n    public function getAuthorNameAttribute()\n    {\n        \/\/ \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306e\u30a8\u30e9\u30fc\u9632\u6b62\n        return $this-&gt;author-&gt;name ?? null;\n    }\n\n    \/\/ whenLoaded\u306e\u6d3b\u7528\n    public function toArray()\n    {\n        return [\n            'id' =&gt; $this-&gt;id,\n            'title' =&gt; $this-&gt;title,\n            \/\/ \u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306e\u307f\u542b\u3081\u308b\n            'author' =&gt; $this-&gt;whenLoaded('author'),\n            'comments_count' =&gt; $this-&gt;when(\n                $this-&gt;comments_count !== null,\n                $this-&gt;comments_count\n            ),\n        ];\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u5927\u91cf\u30c7\u30fc\u30bf\u51e6\u7406\u6642\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u969b\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u6700\u9069\u5316\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c1\u30e3\u30f3\u30af\u51e6\u7406\u306b\u3088\u308b\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6291\u3048\u305f\u51e6\u7406\nclass UserDataExporter\n{\n    public function export()\n    {\n        \/\/ \u30c1\u30e3\u30f3\u30af\u51e6\u7406\u306b\u3088\u308b\u5927\u91cf\u30c7\u30fc\u30bf\u306e\u6271\u3044\n        User::chunk(1000, function ($users) {\n            foreach ($users as $user) {\n                \/\/ \u51e6\u7406\n            }\n        });\n    }\n\n    \/\/ \u3088\u308a\u7d30\u304b\u3044\u5236\u5fa1\u304c\u5fc5\u8981\u306a\u5834\u5408\n    public function exportWithProgress()\n    {\n        $total = User::count();\n        $processed = 0;\n\n        User::chunk(1000, function ($users) use (&amp;$processed, $total) {\n            foreach ($users as $user) {\n                \/\/ \u51e6\u7406\n                $processed++;\n                \/\/ \u9032\u6357\u5831\u544a\n                $progress = ($processed \/ $total) * 100;\n                event(new ExportProgress($progress));\n            }\n        });\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u5b9f\u88c5<\/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 BatchProcessor\n{\n    \/\/ \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u305f\u4e00\u62ec\u51e6\u7406\n    public function processBatch($records)\n    {\n        DB::transaction(function () use ($records) {\n            foreach (array_chunk($records, 1000) as $chunk) {\n                DB::table('large_table')-&gt;insert($chunk);\n            }\n        });\n    }\n\n    \/\/ \u30ad\u30e5\u30fc\u3092\u4f7f\u7528\u3057\u305f\u975e\u540c\u671f\u51e6\u7406\n    public function processLargeDataset()\n    {\n        User::chunk(1000, function ($users) {\n            ProcessUserChunk::dispatch($users);\n        });\n    }\n}\n\n\/\/ \u30ad\u30e5\u30fc\u30b8\u30e7\u30d6\u306e\u5b9f\u88c5\nclass ProcessUserChunk implements ShouldQueue\n{\n    public function handle()\n    {\n        \/\/ \u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u76e3\u8996\u3057\u306a\u304c\u3089\u51e6\u7406\n        $memoryLimit = 100 * 1024 * 1024; \/\/ 100MB\n\n        foreach ($this-&gt;users as $user) {\n            \/\/ \u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u30c1\u30a7\u30c3\u30af\n            if (memory_get_usage(true) &gt; $memoryLimit) {\n                \/\/ \u65b0\u3057\u3044\u30b8\u30e7\u30d6\u306b\u5206\u5272\n                ProcessUserChunk::dispatch(\n                    $this-&gt;users-&gt;slice($this-&gt;users-&gt;search($user))\n                );\n                break;\n            }\n\n            \/\/ \u30e6\u30fc\u30b6\u30fc\u51e6\u7406\n        }\n    }\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30af\u30a8\u30ea\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class QueryOptimizer\n{\n    \/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u30af\u30a8\u30ea\n    public function optimizedQuery()\n    {\n        \/\/ \u5fc5\u8981\u306a\u30ab\u30e9\u30e0\u306e\u307f\u53d6\u5f97\n        return User::select(['id', 'name', 'email'])\n            -&gt;where('active', true)\n            -&gt;cursor() \/\/ \u30ab\u30fc\u30bd\u30eb\u3092\u4f7f\u7528\n            -&gt;filter(function ($user) {\n                return $user-&gt;isEligible();\n            });\n    }\n\n    \/\/ \u5927\u91cf\u30c7\u30fc\u30bf\u306e\u96c6\u8a08\n    public function aggregateData()\n    {\n        return DB::table('orders')\n            -&gt;select(\n                DB::raw('DATE(created_at) as date'),\n                DB::raw('COUNT(*) as total_orders'),\n                DB::raw('SUM(amount) as total_amount')\n            )\n            -&gt;groupBy('date')\n            -&gt;having('total_orders', '&gt;', 10)\n            -&gt;orderBy('date')\n            -&gt;get();\n    }\n}<\/pre>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306eTips\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30d0\u30c3\u30b0\u3068\u30ed\u30b0\u51fa\u529b<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Debugger\n{\n    public function debugQuery($query)\n    {\n        \/\/ \u30af\u30a8\u30ea\u306e\u30c7\u30d0\u30c3\u30b0\n        DB::enableQueryLog();\n        $result = $query-&gt;get();\n        $queries = DB::getQueryLog();\n\n        Log::debug('Query debug:', [\n            'sql' =&gt; $queries[0]['query'],\n            'bindings' =&gt; $queries[0]['bindings'],\n            'time' =&gt; $queries[0]['time'],\n        ]);\n\n        return $result;\n    }\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ErrorHandler\n{\n    public function safeRelationAccess($model, $relation)\n    {\n        try {\n            if ($model-&gt;relationLoaded($relation)) {\n                return $model-&gt;$relation;\n            }\n\n            return $model-&gt;$relation()-&gt;get();\n        } catch (\\Exception $e) {\n            Log::error('Relation access error', [\n                'model' =&gt; get_class($model),\n                'relation' =&gt; $relation,\n                'error' =&gt; $e-&gt;getMessage()\n            ]);\n\n            return collect();\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\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5b89\u5b9a\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u306f\u3001\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\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":[33,12],"tags":[],"class_list":{"0":"post-2666","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-php-laravel","7":"category-php","8":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2666","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=2666"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2666\/revisions"}],"predecessor-version":[{"id":2667,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2666\/revisions\/2667"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}