30 lines
448 B
PHP
30 lines
448 B
PHP
<?php
|
|
/**
|
|
* Created by PhpStorm.
|
|
* User: whwyy
|
|
* Date: 2018/4/3 0003
|
|
* Time: 15:47
|
|
*/
|
|
declare(strict_types=1);
|
|
|
|
namespace validator;
|
|
|
|
|
|
class RequiredValidator extends BaseValidator
|
|
{
|
|
|
|
/**
|
|
* @return bool
|
|
* 检查是否存在
|
|
*/
|
|
public function trigger(): bool
|
|
{
|
|
if (!isset($this->params[$this->field])) {
|
|
return $this->addError('The param :attribute not exists');
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
}
|