Yii2实现自定义独立验证器的方法

<?php/** * author   : forecho <caizhenghai@gmail.com> * createTime : 2015/7/1 14:54 * description: */namespace common/helps;use yii/validators/Validator;class ArrayValidator extends Validator{  public function validateAttribute($model, $attribute)  {    if (!is_array($model->$attribute)) {      $this->addError($model, $attribute, $attribute . '必须是一个数组');    }  }}

public function rules(){  return [    ...    ['kind_ids', 'common/helps/ArrayValidator'], // 自定义验证    ...  ];}