yii 1.x 添加 rules 验证url数组

public function rules()
{
    return CMap::mergeArray( parent::rules(),array(
            array('third_link', 'urlArr'),
    ));
}

public function urlArr($attribute, $params)
{
    $arr = explode(chr(0), $this->third_link);
    $pass = true;
    $validator = new CUrlValidator();
    $falseUrl = [];
    foreach($arr as $v){
        if(!$validator->validateValue($v)){
            $pass = false;
            $falseUrl[] = $v;
        }
    }
    if(!$pass)
        $this->addError($attribute, '第三方监测('.implode(', ', $falseUrl).') 不是有效的 URL');
    return $pass;
}