www.gusucode.com > 24Beta 虚拟主机版 1.0.0 Beta源码程序 > 24Beta 虚拟主机版 1.0.0 Beta源码程序/24Beta-1.0.0-vhost/library/framework/validators/CRegularExpressionValidator.php
<?php /** * CRegularExpressionValidator class file. * * @author Qiang Xue <qiang.xue@gmail.com> * @link http://www.yiiframework.com/ * @copyright Copyright © 2008-2009 Yii Software LLC * @license http://www.yiiframework.com/license/ */ /** * CRegularExpressionValidator validates that the attribute value matches to the specified {@link pattern regular expression}. * * @author Qiang Xue <qiang.xue@gmail.com> * @version $Id: CRegularExpressionValidator.php 1333 2009-08-15 20:20:36Z qiang.xue $ * @package system.validators * @since 1.0 */ class CRegularExpressionValidator extends CValidator { /** * @var string the regular expression to be matched with */ public $pattern; /** * @var boolean whether the attribute value can be null or empty. Defaults to true, * meaning that if the attribute is empty, it is considered valid. */ public $allowEmpty=true; /** * Validates the attribute of the object. * If there is any error, the error message is added to the object. * @param CModel the object being validated * @param string the attribute being validated */ protected function validateAttribute($object,$attribute) { $value=$object->$attribute; if($this->allowEmpty && $this->isEmpty($value)) return; if($this->pattern===null) throw new CException(Yii::t('yii','The "pattern" property must be specified with a valid regular expression.')); if(!preg_match($this->pattern,$value)) { $message=$this->message!==null?$this->message:Yii::t('yii','{attribute} is invalid.'); $this->addError($object,$attribute,$message); } } }