*/ public function validate(string $attribute, mixed $value, Closure $fail): void { if (strtoupper($value) !== $value) { $fail('The :attribute must be uppercase.'); } }}Once the rule has been defined, you may attach it to a validator by passing an instance of the rule object ...
// Validate that a string is exactly 12 characters long... 'title' => 'size:12'; // Validate that a provided integer equals 10... 'seats' => 'integer|size:10'; // Validate that an array has exactly 5 elements... 'tags' => 'array|size:5'; // Validate that an uploaded file...
phpnamespaceMyCompany\Accommodation;useCarbon\Carbon;classReservationValidator{constMINIMUM_STAY_LENGTH=1;constMAXIMUM_STAY_LENGTH=15;constMAXIMUM_ROOMS=4;/** *@param$start_date *@param$end_date *@param$rooms *@return$this */publicfunctionvalidate($start_date,$end_date,$rooms){$end=Carbon::crea...
10// Validate that an uploaded file is exactly 512 kilobytes... 11'image' => 'file|size:512';starts_with:foo,bar,...The field under validation must start with one of the given values.stringThe field under validation must be a string. If you would like to allow the field to also be...
在我们的模型中,我们创建了一个validate方法。这将通过 Laravel 的Validator运行我们的输入,使用我们刚刚设置的规则。 在我们的路由中,我们创建了一个新用户并添加了一些值。在保存之前,我们通过validate方法运行输入;如果失败,我们可以循环遍历验证错误消息。如果通过,我们可以将输入保存到我们的数据库中。 还有更多......
$this->validate($request, [ 'user_id' => 'bail|integer|unique:users']);Eloquent 全局作用域优化在之前的 Laravel 版本中,Eloquent 全局作用域的实现复杂且容易出错,但在 Laravel 5.2 中,全局查询作用域只需实现一个简单的 apply 方法即可。
10// Validate that an uploaded file is exactly 512 kilobytes... 11'image' => 'file|size:512';starts_with:foo,bar,...The field under validation must start with one of the given values.stringThe field under validation must be a string. If you would like to allow the field to also be...
* * @return \Illuminate\Http\JsonResponse */ public function sendMessage(Request $request) { $request->validate([ 'room' => ['required', 'string', 'max:50'], 'message' => ['required', 'string', 'max:140'], ]); $user = $request->user(); $room = Room::where('name', $...
$this->app['events']->listen('eloquent.saving: *', function (string $event_name, array $data): void { /* @var AppExtensionsIlluminateDatabaseEloquentModel $object/ $object = $data[0]; /【php教程_linux常用命令_网络运维技术】/ $object->validate(); }); } ...
<?php\Schema::defaultStringLength(191); 以上代码将把字符串列的默认长度设置为191。由于Laravel默认使用utf8mb4字符集,其唯一键的最大长度为191。如果超过了限制,则Laravel将生成错误并且不会运行迁移。如果你想指定不同的字符集,那么可以在位于config目录中的database.php配置文件中设置它。现在设置数据库并将数...