{"id":3855,"date":"2026-11-14T17:09:36","date_gmt":"2026-11-14T08:09:36","guid":{"rendered":"https:\/\/qol-kk.com\/wp2\/?p=3855"},"modified":"2026-11-14T17:09:36","modified_gmt":"2026-11-14T08:09:36","slug":"20261024-00mvllso","status":"publish","type":"post","link":"https:\/\/qol-kk.com\/wp2\/blog\/2026\/11\/14\/20261024-00mvllso\/","title":{"rendered":"fakerphp\/faker\u3067\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3068\u30b7\u30fc\u30c0\u30fc\u3092\u52b9\u7387\u5316\u3059\u308b"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>\u958b\u767a\u3084\u30c6\u30b9\u30c8\u3067\u300c\u305d\u308c\u3063\u307d\u3044\u30c0\u30df\u30fc\u30c7\u30fc\u30bf\u300d\u3092\u5927\u91cf\u306b\u7528\u610f\u3057\u305f\u3044\u5834\u9762\u306f\u591a\u3044\u3002\u624b\u3067\u30ec\u30b3\u30fc\u30c9\u3092\u6253\u3061\u8fbc\u3080\u306e\u306f\u975e\u52b9\u7387\u3067\u3001\u672c\u756a\u30c7\u30fc\u30bf\u3092\u30b3\u30d4\u30fc\u3057\u3066\u4f7f\u3046\u3068\u500b\u4eba\u60c5\u5831\u306e\u6df7\u5165\u4e8b\u6545\u306b\u3082\u3064\u306a\u304c\u308b\u3002<\/p>\n<p>fakerphp\/faker\uff08https:\/\/fakerphp.org\/\uff09\u306f\u3001\u6c0f\u540d\u30fb\u4f4f\u6240\u30fb\u30e1\u30fc\u30eb\u30fb\u65e5\u4ed8\u306a\u3069\u306e\u64ec\u4f3c\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308bPHP\u30e9\u30a4\u30d6\u30e9\u30ea\u3002\u65e7 fzaninotto\/faker \u306e\u5f8c\u7d99\u3068\u3057\u3066\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304c\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3057\u3066\u304a\u308a\u3001Laravel \u3092\u306f\u3058\u3081\u591a\u304f\u306e\u74b0\u5883\u3067\u6a19\u6e96\u7684\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304b\u3089\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3001\u30b7\u30fc\u30c0\u30fc\u30fb\u30d5\u30a1\u30af\u30c8\u30ea\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u3001<code>unique()<\/code> \/ <code>optional()<\/code> \u306a\u3069\u306e\u5b9f\u7528\u7684\u306a\u4fee\u98fe\u5b50\u3001\u518d\u73fe\u6027\u306e\u78ba\u4fdd\u307e\u3067\u3092\u30cf\u30f3\u30ba\u30aa\u30f3\u5f62\u5f0f\u3067\u307e\u3068\u3081\u308b\u3002<\/p>\n<h2>\u74b0\u5883<\/h2>\n<ul>\n<li>PHP 8.1 \u4ee5\u4e0a<\/li>\n<li>Composer<\/li>\n<li>fakerphp\/faker\uff08\u672c\u8a18\u4e8b\u57f7\u7b46\u6642\u70b9\u306e\u6700\u65b0\u7cfb\uff09<\/li>\n<li>Laravel 10 \u4ee5\u964d\uff08\u30b7\u30fc\u30c0\u30fc\u30fb\u30d5\u30a1\u30af\u30c8\u30ea\u4f8b\u3067\u4f7f\u7528\uff09<\/li>\n<\/ul>\n<h2>\u767a\u751f\u3057\u305f\u554f\u984c<\/h2>\n<p>\u30c0\u30df\u30fc\u30c7\u30fc\u30bf\u6574\u5099\u3067\u3088\u304f\u3042\u308b\u56f0\u308a\u3054\u3068\u306f\u6b21\u306e\u3042\u305f\u308a\u3060\u3002<\/p>\n<ul>\n<li>\u624b\u52d5\u3067\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u4f5c\u3063\u3066\u304a\u308a\u3001\u91cf\u3092\u5897\u3084\u3059\u306e\u304c\u9762\u5012<\/li>\n<li>\u672c\u756a\u30c7\u30fc\u30bf\u3092\u30b3\u30d4\u30fc\u3057\u3066\u958b\u767a\u74b0\u5883\u306b\u6d41\u7528\u3057\u3001\u500b\u4eba\u60c5\u5831\u304c\u6df7\u5165\u3059\u308b<\/li>\n<li>\u30c6\u30b9\u30c8\u304c\u5b9f\u884c\u3054\u3068\u306b\u9055\u3046\u30c7\u30fc\u30bf\u3092\u4f7f\u3044\u3001\u5931\u6557\u306e\u518d\u73fe\u304c\u3067\u304d\u306a\u3044<\/li>\n<li>\u65e5\u672c\u8a9e\u74b0\u5883\u306a\u306e\u306b\u82f1\u8a9e\u306e\u540d\u524d\u30fb\u4f4f\u6240\u306b\u306a\u3063\u3066\u3057\u307e\u3046<\/li>\n<\/ul>\n<h2>\u539f\u56e0<\/h2>\n<p>\u3053\u308c\u3089\u306f\u300c\u30c0\u30df\u30fc\u30c7\u30fc\u30bf\u751f\u6210\u3092\u4ed5\u7d44\u307f\u5316\u3057\u3066\u3044\u306a\u3044\u300d\u3053\u3068\u306b\u8d77\u56e0\u3059\u308b\u3002\u751f\u6210\u30ed\u30b8\u30c3\u30af\u3092\u624b\u7d9a\u304d\u7684\u306b\u66f8\u304d\u6563\u3089\u3059\u3068\u3001\u91cf\u30fb\u30ed\u30b1\u30fc\u30eb\u30fb\u518d\u73fe\u6027\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u304c\u3059\u3079\u3066\u500b\u5225\u5bfe\u5fdc\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002Faker \u3092\u4ecb\u3057\u3066\u751f\u6210\u30eb\u30fc\u30eb\u3092\u4e00\u7b87\u6240\u306b\u5bc4\u305b\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u308b\u3002<\/p>\n<h2>\u5bfe\u5fdc\u65b9\u6cd5<\/h2>\n<h3>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<p>\u958b\u767a\u30fb\u30c6\u30b9\u30c8\u5c02\u7528\u306a\u306e\u3067 <code>--dev<\/code> \u3067\u5165\u308c\u308b\u3002<\/p>\n<pre class=\"lang:default decode:true\">composer require --dev fakerphp\/faker<\/pre>\n<h3>\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h3>\n<p><code>Factory::create()<\/code> \u3067\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u751f\u6210\u3057\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u30a2\u30af\u30bb\u30b9\u3067\u30c7\u30fc\u30bf\u3092\u5f97\u308b\u3002<\/p>\n<pre class=\"lang:default decode:true\">&lt;?php\n\nrequire 'vendor\/autoload.php';\n\n$faker = \\Faker\\Factory::create();\n\necho $faker-&gt;name;         \/\/ \"John Doe\"\necho $faker-&gt;email;        \/\/ \"jdoe@example.org\"\necho $faker-&gt;address;      \/\/ \u4f4f\u6240\necho $faker-&gt;text(100);    \/\/ \u30e9\u30f3\u30c0\u30e0\u306a\u6587\u7ae0<\/pre>\n<h3>\u65e5\u672c\u8a9e\u30ed\u30b1\u30fc\u30eb<\/h3>\n<p>\u30ed\u30b1\u30fc\u30eb\u3092 <code>ja_JP<\/code> \u3067\u751f\u6210\u3059\u308b\u3068\u3001\u65e5\u672c\u8a9e\u306e\u6c0f\u540d\u30fb\u30ab\u30ca\u30fb\u4f4f\u6240\u30fb\u96fb\u8a71\u756a\u53f7\u304c\u51fa\u308b\u3002<\/p>\n<pre class=\"lang:default decode:true\">$faker = \\Faker\\Factory::create('ja_JP');\n\necho $faker-&gt;name;          \/\/ \"\u4f50\u85e4 \u82b1\u5b50\"\necho $faker-&gt;kanaName;      \/\/ \"\u30b5\u30c8\u30a6 \u30cf\u30ca\u30b3\"\necho $faker-&gt;company;       \/\/ \"\u682a\u5f0f\u4f1a\u793e\u3007\u3007\"\necho $faker-&gt;prefecture;    \/\/ \"\u6771\u4eac\u90fd\"\necho $faker-&gt;phoneNumber;   \/\/ \"090-1234-5678\"<\/pre>\n<h3>\u3088\u304f\u4f7f\u3046\u30d5\u30a9\u30fc\u30de\u30c3\u30bf<\/h3>\n<pre class=\"lang:default decode:true\">\/\/ \u6570\u5024\n$faker-&gt;numberBetween(1, 100);     \/\/ \u7bc4\u56f2\u6307\u5b9a\n$faker-&gt;randomNumber(5);           \/\/ \u6841\u6570\u6307\u5b9a\n$faker-&gt;randomFloat(2, 0, 1000);   \/\/ \u5c0f\u6570\u70b9\u4ee5\u4e0b2\u6841\n\n\/\/ \u9078\u629e\n$faker-&gt;randomElement(['A', 'B', 'C']);        \/\/ 1\u3064\u9078\u3076\n$faker-&gt;randomElements(['A', 'B', 'C'], 2);    \/\/ \u8907\u6570\u9078\u3076\n\n\/\/ \u65e5\u4ed8\n$faker-&gt;dateTimeBetween('-1 year', 'now');     \/\/ \u671f\u9593\u5185\u306eDateTime\n$faker-&gt;dateTimeThisMonth();\n\n\/\/ \u771f\u507d\u30fb\u305d\u306e\u4ed6\n$faker-&gt;boolean(70);               \/\/ 70%\u306e\u78ba\u7387\u3067true\n$faker-&gt;uuid;\n$faker-&gt;url;<\/pre>\n<h3>unique() \u2014 \u91cd\u8907\u3057\u306a\u3044\u5024<\/h3>\n<p>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u3088\u3046\u306b UNIQUE \u5236\u7d04\u304c\u3042\u308b\u30ab\u30e9\u30e0\u3067\u306f <code>unique()<\/code> \u3092\u631f\u3080\u3002\u751f\u6210\u4e0d\u80fd\u306b\u306a\u308b\u3068 <code>OverflowException<\/code> \u3092\u6295\u3052\u308b\u306e\u3067\u6bcd\u6570\u306b\u306f\u6ce8\u610f\u3059\u308b\u3002<\/p>\n<pre class=\"lang:default decode:true\">$faker = \\Faker\\Factory::create('ja_JP');\n\n$emails = [];\nfor ($i = 0; $i &lt; 100; $i++) {\n    $emails[] = $faker-&gt;unique()-&gt;safeEmail;\n}\n\/\/ \u3059\u3079\u3066\u91cd\u8907\u306a\u3057<\/pre>\n<h3>optional() \u2014 \u3068\u304d\u3069\u304dnull<\/h3>\n<p>NULL \u3092\u8a31\u5bb9\u3059\u308b\u30ab\u30e9\u30e0\u306e\u30c6\u30b9\u30c8\u306b\u4f7f\u3046\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306f50%\u306e\u78ba\u7387\u3067 <code>null<\/code>\u3002<\/p>\n<pre class=\"lang:default decode:true\">$faker-&gt;optional()-&gt;text;          \/\/ 50%\u3067null\n$faker-&gt;optional(0.9)-&gt;text;       \/\/ 10%\u3067null\uff080.9\u306e\u78ba\u7387\u3067\u5024\uff09\n$faker-&gt;optional(default: '\u672a\u8a2d\u5b9a')-&gt;text; \/\/ null\u306e\u4ee3\u308f\u308a\u306b\u65e2\u5b9a\u5024<\/pre>\n<h3>\u518d\u73fe\u6027 \u2014 seed()<\/h3>\n<p>\u30c6\u30b9\u30c8\u3067\u300c\u540c\u3058\u30c7\u30fc\u30bf\u304c\u6bce\u56de\u51fa\u308b\u300d\u3088\u3046\u306b\u3059\u308b\u306b\u306f seed \u3092\u56fa\u5b9a\u3059\u308b\u3002\u5931\u6557\u306e\u518d\u73fe\u306b\u52b9\u304f\u3002<\/p>\n<pre class=\"lang:default decode:true\">$faker = \\Faker\\Factory::create('ja_JP');\n$faker-&gt;seed(1234);\n\necho $faker-&gt;name; \/\/ seed\u304c\u540c\u3058\u306a\u3089\u5e38\u306b\u540c\u3058\u7d50\u679c<\/pre>\n<h2>\u5b9f\u88c5\u4f8b<\/h2>\n<h3>Laravel \u306e\u30d5\u30a1\u30af\u30c8\u30ea\u3067\u4f7f\u3046<\/h3>\n<p>Laravel \u3067\u306f\u30e2\u30c7\u30eb\u30d5\u30a1\u30af\u30c8\u30ea\u5185\u3067 <code>fake()<\/code> \u30d8\u30eb\u30d1\uff08\u5185\u90e8\u7684\u306b Faker\uff09\u3092\u4f7f\u3046\u3002<\/p>\n<pre class=\"lang:default decode:true\">&lt;?php\n\nnamespace Database\\Factories;\n\nuse Illuminate\\Database\\Eloquent\\Factories\\Factory;\n\nclass UserFactory extends Factory\n{\n    public function definition(): array\n    {\n        return [\n            'name'              =&gt; fake()-&gt;name(),\n            'email'             =&gt; fake()-&gt;unique()-&gt;safeEmail(),\n            'email_verified_at' =&gt; now(),\n            'profile'           =&gt; fake()-&gt;optional()-&gt;realText(100),\n            'created_at'        =&gt; fake()-&gt;dateTimeBetween('-1 year', 'now'),\n        ];\n    }\n\n    \/\/ \u72b6\u614b\uff08state\uff09\u3067\u5c5e\u6027\u3092\u4e0a\u66f8\u304d\n    public function unverified(): static\n    {\n        return $this-&gt;state(fn () =&gt; ['email_verified_at' =&gt; null]);\n    }\n}<\/pre>\n<p>\u30ed\u30b1\u30fc\u30eb\u3092 <code>ja_JP<\/code> \u306b\u56fa\u5b9a\u3057\u305f\u3044\u5834\u5408\u306f <code>config\/app.php<\/code> \u306e <code>faker_locale<\/code> \u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/p>\n<pre class=\"lang:default decode:true\">'faker_locale' =&gt; 'ja_JP',<\/pre>\n<h3>\u30b7\u30fc\u30c0\u30fc\u3067\u4e00\u62ec\u6295\u5165<\/h3>\n<pre class=\"lang:default decode:true\">&lt;?php\n\nnamespace Database\\Seeders;\n\nuse App\\Models\\User;\nuse Illuminate\\Database\\Seeder;\n\nclass UserSeeder extends Seeder\n{\n    public function run(): void\n    {\n        \/\/ 50\u4ef6\u4f5c\u6210\n        User::factory()-&gt;count(50)-&gt;create();\n\n        \/\/ \u672a\u8a8d\u8a3c\u30e6\u30fc\u30b6\u30fc\u309210\u4ef6\n        User::factory()-&gt;count(10)-&gt;unverified()-&gt;create();\n    }\n}<\/pre>\n<pre class=\"lang:default decode:true\">php artisan db:seed --class=UserSeeder<\/pre>\n<h3>\u7d20\u306ePHP\uff0fPHPUnit\u3067\u4f7f\u3046<\/h3>\n<p>Laravel \u3067\u306a\u304f\u3066\u3082\u540c\u3058\u3002PHPUnit \u306e\u30c6\u30b9\u30c8\u3067\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u3092\u7528\u610f\u3057\u3066\u304a\u304f\u3068\u3001\u30d5\u30a3\u30af\u30b9\u30c1\u30e3\u751f\u6210\u304c\u3059\u3063\u304d\u308a\u3059\u308b\u3002<\/p>\n<pre class=\"lang:default decode:true\">&lt;?php\n\nuse PHPUnit\\Framework\\TestCase;\n\nclass OrderTest extends TestCase\n{\n    private \\Faker\\Generator $faker;\n\n    protected function setUp(): void\n    {\n        $this-&gt;faker = \\Faker\\Factory::create('ja_JP');\n        $this-&gt;faker-&gt;seed(42); \/\/ \u30c6\u30b9\u30c8\u306e\u518d\u73fe\u6027\u3092\u62c5\u4fdd\n    }\n\n    public function test_\u5408\u8a08\u91d1\u984d\u306e\u8a08\u7b97(): void\n    {\n        $price    = $this-&gt;faker-&gt;numberBetween(100, 10000);\n        $quantity = $this-&gt;faker-&gt;numberBetween(1, 10);\n\n        \/\/ ... \u691c\u8a3c\n    }\n}<\/pre>\n<h3>\u30ab\u30b9\u30bf\u30e0\u30d7\u30ed\u30d0\u30a4\u30c0\u3067\u72ec\u81ea\u30c7\u30fc\u30bf<\/h3>\n<p>\u30c9\u30e1\u30a4\u30f3\u56fa\u6709\u306e\u5024\uff08\u4f8b\uff1a\u81ea\u793e\u306e\u5546\u54c1\u30b3\u30fc\u30c9\u5f62\u5f0f\uff09\u304c\u6b32\u3057\u3044\u3068\u304d\u306f\u30d7\u30ed\u30d0\u30a4\u30c0\u3092\u8db3\u305b\u308b\u3002<\/p>\n<pre class=\"lang:default decode:true\">&lt;?php\n\nuse Faker\\Provider\\Base;\n\nclass ProductCodeProvider extends Base\n{\n    public function productCode(): string\n    {\n        \/\/ \u4f8b: PRD-XXXX \u5f62\u5f0f\n        return 'PRD-' . $this-&gt;generator-&gt;numerify('####');\n    }\n}\n\n$faker = \\Faker\\Factory::create('ja_JP');\n$faker-&gt;addProvider(new ProductCodeProvider($faker));\n\necho $faker-&gt;productCode(); \/\/ \"PRD-0472\"<\/pre>\n<h2>\u78ba\u8a8d\u65b9\u6cd5<\/h2>\n<ul>\n<li><code>php artisan db:seed<\/code> \u5b9f\u884c\u5f8c\u3001\u5bfe\u8c61\u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u4ef6\u6570\u3068\u5185\u5bb9\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<li><code>unique()<\/code> \u3092\u4f7f\u3063\u305f\u7b87\u6240\u3067 UNIQUE \u5236\u7d04\u9055\u53cd\u304c\u51fa\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<li><code>seed()<\/code> \u3092\u56fa\u5b9a\u3057\u305f\u30c6\u30b9\u30c8\u30922\u56de\u5b9f\u884c\u3057\u3001\u540c\u3058\u5024\u304c\u5f97\u3089\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<li>\u30ed\u30b1\u30fc\u30eb\u3092 <code>ja_JP<\/code> \u306b\u3057\u3066\u3001\u6c0f\u540d\u30fb\u4f4f\u6240\u304c\u65e5\u672c\u8a9e\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ul>\n<h2>\u6ce8\u610f\u70b9<\/h2>\n<ul>\n<li><strong>\u672c\u756a\u74b0\u5883\u3067\u30b7\u30fc\u30c0\u30fc\u3092\u6d41\u3055\u306a\u3044<\/strong>\u3002\u30c6\u30b9\u30c8\u30fb\u958b\u767a\u7528\u306e\u30c7\u30fc\u30bf\u751f\u6210\u306b\u9650\u5b9a\u3059\u308b<\/li>\n<li><code>unique()<\/code> \u306f\u6bcd\u6570\u304c\u5c3d\u304d\u308b\u3068 <code>OverflowException<\/code> \u3092\u6295\u3052\u308b\u3002\u72ed\u3044\u7bc4\u56f2 \u00d7 \u5927\u91cf\u751f\u6210\u3092\u907f\u3051\u308b<\/li>\n<li><code>realText()<\/code> \u306f\u5b9f\u5728\u306e\u6587\u7ae0\u7247\u3092\u7d44\u307f\u66ff\u3048\u308b\u305f\u3081\u3001\u77ed\u3059\u304e\u308b\u9577\u3055\u6307\u5b9a\u3060\u3068\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u3042\u308b<\/li>\n<li>\u751f\u6210\u30c7\u30fc\u30bf\u306f\u3042\u304f\u307e\u3067\u64ec\u4f3c\u3002\u5b9f\u5728\u306e\u500b\u4eba\u3092\u6307\u3059\u53ef\u80fd\u6027\u306f\u30bc\u30ed\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u516c\u958b\u7269\u306b\u305d\u306e\u307e\u307e\u8cbc\u3089\u306a\u3044<\/li>\n<li>Laravel \u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f <code>$this-&gt;faker<\/code>\u3001\u65b0\u3057\u3081\u3067\u306f <code>fake()<\/code> \u30d8\u30eb\u30d1\u304c\u63a8\u5968\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u6163\u7fd2\u306b\u5408\u308f\u305b\u308b<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>fakerphp\/faker \u3092\u4f7f\u3046\u3068\u3001\u30c0\u30df\u30fc\u30c7\u30fc\u30bf\u751f\u6210\u3092\u300c\u4ed5\u7d44\u307f\u300d\u306b\u843d\u3068\u3057\u8fbc\u3081\u308b\u3002<\/p>\n<ul>\n<li><code>Factory::create('ja_JP')<\/code> \u3067\u65e5\u672c\u8a9e\u30c7\u30fc\u30bf<\/li>\n<li><code>unique()<\/code> \/ <code>optional()<\/code> \u3067\u5236\u7d04\u30fbNULL \u3092\u518d\u73fe<\/li>\n<li><code>seed()<\/code> \u3067\u30c6\u30b9\u30c8\u306e\u518d\u73fe\u6027\u3092\u78ba\u4fdd<\/li>\n<li>Laravel \u3067\u306f\u30d5\u30a1\u30af\u30c8\u30ea\uff0b\u30b7\u30fc\u30c0\u30fc\u3067\u4e00\u62ec\u6295\u5165<\/li>\n<\/ul>\n<p>\u624b\u4f5c\u696d\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u6574\u5099\u3084\u672c\u756a\u30c7\u30fc\u30bf\u6d41\u7528\u3092\u3084\u3081\u3001Faker \u306b\u5bc4\u305b\u308b\u3053\u3068\u3067\u3001\u500b\u4eba\u60c5\u5831\u6df7\u5165\u306e\u30ea\u30b9\u30af\u3082\u6e1b\u3089\u305b\u308b\u3002\u307e\u305a\u306f <code>composer require --dev fakerphp\/faker<\/code> 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