ミドルウェアやルーティング同様、惰性で使っていたサービスプロバイダについてめも。
Contents
サービスプロバイダとは
Laravelでは特定のサービス(例えばDBとの連携やフォームのビュー)を使うために、サービスプロバイダという機能を使います。
自作することもできますが初期段階では用意されたものを使うことが多いでしょう。
config/app.phpを見ると以下のようにサービスプロバイダが登録されているのがわかるかと思います。
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'providers' => [ /* * Laravel Framework Service Providers... */ Illuminate\Auth\AuthServiceProvider::class, Illuminate\Broadcasting\BroadcastServiceProvider::class, Illuminate\Bus\BusServiceProvider::class, Illuminate\Cache\CacheServiceProvider::class, Illuminate\Foundation\Providers\ConsoleSupportServiceProvider::class, Illuminate\Cookie\CookieServiceProvider::class, Illuminate\Database\DatabaseServiceProvider::class, Illuminate\Encryption\EncryptionServiceProvider::class, Illuminate\Filesystem\FilesystemServiceProvider::class, Illuminate\Foundation\Providers\FoundationServiceProvider::class, Illuminate\Hashing\HashServiceProvider::class, Illuminate\Mail\MailServiceProvider::class, Illuminate\Notifications\NotificationServiceProvider::class, Illuminate\Pagination\PaginationServiceProvider::class, Illuminate\Pipeline\PipelineServiceProvider::class, Illuminate\Queue\QueueServiceProvider::class, Illuminate\Redis\RedisServiceProvider::class, Illuminate\Auth\Passwords\PasswordResetServiceProvider::class, Illuminate\Session\SessionServiceProvider::class, Illuminate\Translation\TranslationServiceProvider::class, Illuminate\Validation\ValidationServiceProvider::class, Illuminate\View\ViewServiceProvider::class, Barryvdh\Debugbar\ServiceProvider::class, Collective\Html\HtmlServiceProvider::class, /* * Package Service Providers... */ Laravel\Tinker\TinkerServiceProvider::class, /* * Application Service Providers... */ App\Providers\AppServiceProvider::class, App\Providers\AuthServiceProvider::class, // App\Providers\BroadcastServiceProvider::class, App\Providers\EventServiceProvider::class, App\Providers\RouteServiceProvider::class, ], /* |-------------------------------------------------------------------------- | Class Aliases |-------------------------------------------------------------------------- | | This array of class aliases will be registered when this application | is started. However, feel free to register as many as you wish as | the aliases are "lazy" loaded so they don't hinder performance. | */ 'aliases' => [ 'App' => Illuminate\Support\Facades\App::class, 'Artisan' => Illuminate\Support\Facades\Artisan::class, 'Auth' => Illuminate\Support\Facades\Auth::class, 'Blade' => Illuminate\Support\Facades\Blade::class, 'Broadcast' => Illuminate\Support\Facades\Broadcast::class, 'Bus' => Illuminate\Support\Facades\Bus::class, 'Cache' => Illuminate\Support\Facades\Cache::class, 'Config' => Illuminate\Support\Facades\Config::class, 'Cookie' => Illuminate\Support\Facades\Cookie::class, 'Crypt' => Illuminate\Support\Facades\Crypt::class, 'DB' => Illuminate\Support\Facades\DB::class, 'Debugbar' => Barryvdh\Debugbar\Facade::class, 'Eloquent' => Illuminate\Database\Eloquent\Model::class, 'Event' => Illuminate\Support\Facades\Event::class, 'File' => Illuminate\Support\Facades\File::class, 'Form' => Collective\Html\FormFacade::class, 'Html' => Collective\Html\HtmlFacade::class, 'Gate' => Illuminate\Support\Facades\Gate::class, 'Hash' => Illuminate\Support\Facades\Hash::class, 'Lang' => Illuminate\Support\Facades\Lang::class, 'Log' => Illuminate\Support\Facades\Log::class, 'Mail' => Illuminate\Support\Facades\Mail::class, 'Notification' => Illuminate\Support\Facades\Notification::class, 'Password' => Illuminate\Support\Facades\Password::class, 'Queue' => Illuminate\Support\Facades\Queue::class, 'Redirect' => Illuminate\Support\Facades\Redirect::class, 'Redis' => Illuminate\Support\Facades\Redis::class, 'Request' => Illuminate\Support\Facades\Request::class, 'Response' => Illuminate\Support\Facades\Response::class, 'Route' => Illuminate\Support\Facades\Route::class, 'Schema' => Illuminate\Support\Facades\Schema::class, 'Session' => Illuminate\Support\Facades\Session::class, 'Storage' => Illuminate\Support\Facades\Storage::class, 'URL' => Illuminate\Support\Facades\URL::class, 'Validator' => Illuminate\Support\Facades\Validator::class, 'View' => Illuminate\Support\Facades\View::class, ] |
providersが実際に登録されているサービスプロバイダで、aliasというのはその名の通り、別名です。名前空間を省略してアクセスしやすいようにしています。
参考リンク・参考文献
PHP Laravelフレームワーク入門 P108〜
Laravelのフォームヘルパーなど フォームヘルパーなど
