1 Laravel return FALSE if field is NOT NULL (eloquent, whereNotNull) 2 If request is not null statement in Eloquent 5 Checking if column is null Laravel 0 With relation if not null 2 Laravel How to check if value exist and it is equal to 0 0 How can check variables is null...
Using Laravel eloquent to search if a value in a database column appears in search string 0 How to check if string contains another string - laravel 2 How to check a string is matching with 2 columns in database - Laravel 0 How to check if a specific string contains in a...
@unless(Auth::check()) You are not signed in.@endunless 此外,Blade 还提供了@isset和@empty指令,分别对应 PHP 的isset和empty方法: @isset($records)// $records is defined and is not null...@endisset@empty($records)// $records is "empty"...@endempty 认证指令 @auth和@guest指令可用于快速...
*/protectedfunctiontransform($key,$value){if(is_string($value)&&!in_array($key,['abc'],true)){$value=$value===''?null:$value;}return$value;}} 代码语言:javascript 复制 // app/Http/Kernel.php 部分代码protected$middleware=[\App\Http\Middleware\CheckForMaintenanceMode::class,\Illuminate\Fou...
protected$canCheckAll=false; protected$groups=null; protectedstatic$css= [ '/vendor/laravel-admin/AdminLTE/plugins/iCheck/all.css', ]; protectedstatic$js= [ '/vendor/laravel-admin/AdminLTE/plugins/iCheck/icheck.min.js', ]; /** * @var string ...
* @param string|null $guard * @return mixed*/publicfunctionhandle($request, Closure$next,$guard= 'admins') {if(!Auth::guard($guard)->check()) {returnredirect('/admin/login'); }return$next($request); } } 还需要在app/kernel.php中声明新的middleware: ...
public function checkData() { // 进行数据查询或处理 $data = MyModel::find(1); // 检查是否存在null变量 if (isset($data)) { return response()->json([ 'data' => $data, ]); } else { return response()->json([ 'data' => null, ...
In Laravel 3.2 I could do this to check if a specific table existed in the database: // Get the connection type (production/development/mysql/sqlite???)$default=Config::get('database.default');// Get the available db connections$connections=Config::get('database.connections');// Get the...
if (! is_null($route)) { return $route->bind($request); } // If no route was found we will now check if a matching route is specified by // another HTTP verb. If it is we will need to throw a MethodNotAllowed and // inform the user agent of which HTTP verb it should use...
dns: DNSCheckValidation spoof: SpoofCheckValidation filter: FilterEmailValidation当下版本 filter 验证规则使用 PHP 的 filter_var 方法进行验证,在 5.8 版本接入 Laravel 。注意: dns 和spoof 验证器需要PHP的 intl 扩展。ends_with:foo,bar,...被验证的字段必须以给定值之一结尾。enum...