Add phpstan level 7(#544)

app/Providers/AppServiceProvider.php

@@ -26,15 +26,9 @@ public function boot(): void
         ResourceCollection::withoutWrapping();
 
         // facades
-        $this->app->bind('ssh', function () {
-            return new SSH;
-        });
-        $this->app->bind('notifier', function () {
-            return new Notifier;
-        });
-        $this->app->bind('ftp', function () {
-            return new FTP;
-        });
+        $this->app->bind('ssh', fn (): \App\Helpers\SSH => new SSH);
+        $this->app->bind('notifier', fn (): \App\Helpers\Notifier => new Notifier);
+        $this->app->bind('ftp', fn (): \App\Helpers\FTP => new FTP);
 
         Sanctum::usePersonalAccessTokenModel(PersonalAccessToken::class);
     }

app/Providers/DemoServiceProvider.php

@@ -11,22 +11,31 @@ class DemoServiceProvider extends ServiceProvider
 {
     protected string $error = 'Cannot modify on Demo!';
 
+    /**
+     * @var string[]
+     */
     protected array $canDelete = [
         //
     ];
 
+    /**
+     * @var string[]
+     */
     protected array $canUpdate = [
-        'App\Models\ServerLog',
-        'App\Models\Script',
-        'App\Models\ScriptExecution',
+        \App\Models\ServerLog::class,
+        \App\Models\Script::class,
+        \App\Models\ScriptExecution::class,
     ];
 
+    /**
+     * @var string[]
+     */
     protected array $canCreate = [
-        'App\Models\ServerLog',
-        'App\Models\Script',
-        'App\Models\ScriptExecution',
-        'App\Models\FirewallRule',
-        'App\Models\PersonalAccessToken',
+        \App\Models\ServerLog::class,
+        \App\Models\Script::class,
+        \App\Models\ScriptExecution::class,
+        \App\Models\FirewallRule::class,
+        \App\Models\PersonalAccessToken::class,
     ];
 
     public function register(): void
@@ -41,8 +50,9 @@ public function boot(): void
         }
 
         // get all classes inside App\Models namespace
-        $models = collect(scandir(app_path('Models')))
-            ->filter(fn ($file) => ! in_array($file, ['.', '..']))
+        $files = scandir(app_path('Models')) ?: [];
+        $models = collect($files)
+            ->filter(fn ($file): bool => ! in_array($file, ['.', '..']))
             ->map(fn ($file) => 'App\\Models\\'.str_replace('.php', '', $file));
 
         foreach ($models as $model) {
@@ -69,7 +79,7 @@ public function boot(): void
 
     private function preventUpdating(string $model): void
     {
-        $model::updating(function ($m) {
+        $model::updating(function ($m): void {
             $throw = true;
             if ($m instanceof User && ! $m->isDirty(['name', 'email', 'password', 'two_factor_secret', 'two_factor_recovery_codes'])) {
                 $throw = false;
@@ -82,14 +92,14 @@ private function preventUpdating(string $model): void
 
     private function preventDeletion(string $model): void
     {
-        $model::deleting(function ($m) {
+        $model::deleting(function ($m): void {
             abort(403, $this->error);
         });
     }
 
     private function preventCreating(string $model): void
     {
-        $model::creating(function ($m) {
+        $model::creating(function ($m): void {
             abort(403, $this->error);
         });
     }

app/Providers/RouteServiceProvider.php

@@ -31,8 +31,6 @@ public function boot(): void
      */
     protected function configureRateLimiting(): void
     {
-        RateLimiter::for('api', function (Request $request) {
-            return Limit::perMinute(60)->by($request->user()?->id ?: $request->ip());
-        });
+        RateLimiter::for('api', fn (Request $request) => Limit::perMinute(60)->by($request->user()?->id ?: $request->ip()));
     }
 }