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49 lines
1.5 KiB
PHP
49 lines
1.5 KiB
PHP
<?php
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/**
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* CRegularExpressionValidator class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright Copyright © 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CRegularExpressionValidator validates that the attribute value matches to the specified {@link pattern regular expression}.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id$
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* @package system.validators
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* @since 1.0
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*/
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class CRegularExpressionValidator extends CValidator
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{
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/**
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* @var string the regular expression to be matched with
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*/
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public $pattern;
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/**
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* @var boolean whether the attribute value can be null or empty. Defaults to true,
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* meaning that if the attribute is empty, it is considered valid.
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*/
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public $allowEmpty=true;
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/**
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* Validates the attribute of the object.
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* If there is any error, the error message is added to the object.
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* @param CModel the object being validated
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* @param string the attribute being validated
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*/
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protected function validateAttribute($object,$attribute)
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{
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$value=$object->$attribute;
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if($this->allowEmpty && ($value===null || $value===''))
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return;
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if($this->pattern===null)
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throw new CException(Yii::t('yii##The "pattern" property must be specified with a valid regular expression.'));
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if(!preg_match($this->pattern,$value))
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$this->addError($object,$attribute,$this->message,'yii##{attribute} is invalid.');
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}
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}
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