publicfunction check($data, $rules = [], $message = [],$scene ='') { $this->error =[]; if(empty($rules)) { //读取验证规则 $rules = $this->rule; } if(empty($message)) { $message = $this->message; } //读取场景 if(!$this->getScene($scene)) { returnfalse; } //如果...
6 Laravel Blade how to use if statement for null or empty 3 Laravel: How check if model field is nullable on database 1 check if value is null laravel 5 14 Laravel / Eloquent whereIn with null 1 Laravel return FALSE if field is NOT NULL (eloquent, whereNotNull) 2 If request...
if (User::where('email', 'user@email.com')->first()) { // It exists } else { // It does not exist } Use first(), not count() if you only need to check for existence. first() is faster because it checks for a single match whereas count() counts all matches. Share Follow...
if ($result->first()) { } if (!$result->isEmpty()) { } if ($result->count()) { } 15. 关联指定条件查询 if ($request->get('viewtype')){ $viewtype = $request->get('viewtype'); $model->whereHas('advplan',function($q)use ($viewtype){ $q->where('viewtype',$viewtype); ...
这里是我为laravel编写的正确代码，基本上，您需要将请求从表单发送到该函数，然后从这里跟踪此代码和API...
Gates are simply closures that determine if a user is authorized to perform a given action. Typically, gates are defined within the boot method of the App\Providers\AuthServiceProvider class using the Gate facade. Gates always receive a user instance as their first argument and may optionally ...
*/publicfunctionscopeSearch(Builder $query,array $search=[]){if(empty($search)){return$query;}if(!array_intersect(array_keys($search),$this->searchable)){return$query;}return$query->where($search);}} Cachet在调用search时传入的是Binput::except(['sort', 'order', 'per_page']),这个返回...
The first argument passed to the make method is the data under validation. The second argument is an array of the validation rules that should be applied to the data.After determining whether the request validation failed, you may use the withErrors method to flash the error messages to the ...
if (! is_null($this->user)) { return $this->user; } $id = $this->session->get($this->getName()); // First we will try to load the user using the identifier in the session if // one exists. Otherwise we will check for a "remember me" cookie in this ...
通过向您的请求类添加 stopOnFirstFailure 属性,您可以通知验证器一旦发生单个验证失败后,停止验证所有规则。/** * 表示验证器是否应在第一个规则失败时停止。 * * @var bool */ protected $stopOnFirstFailure = true;自定义重定向如前所述,当表单请求验证失败时,将会生成一个让用户返回到先前位置的重定向...