Added new (clean) yii boilerplate
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202
framework/validators/CCompareValidator.php
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202
framework/validators/CCompareValidator.php
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<?php
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/**
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* CCompareValidator 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 2008-2013 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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* CCompareValidator compares the specified attribute value with another value and validates if they are equal.
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*
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* The value being compared with can be another attribute value
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* (specified via {@link compareAttribute}) or a constant (specified via
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* {@link compareValue}. When both are specified, the latter takes
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* precedence. If neither is specified, the attribute will be compared
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* with another attribute whose name is by appending "_repeat" to the source
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* attribute name.
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*
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* The comparison can be either {@link strict} or not.
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*
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* CCompareValidator supports different comparison operators.
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* Previously, it only compares to see if two values are equal or not.
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*
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* When using the {@link message} property to define a custom error message, the message
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* may contain additional placeholders that will be replaced with the actual content. In addition
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* to the "{attribute}" placeholder, recognized by all validators (see {@link CValidator}),
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* CCompareValidator allows for the following placeholders to be specified:
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* <ul>
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* <li>{compareValue}: replaced with the constant value being compared with ({@link compareValue}).</li>
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* <li>{compareAttribute}: replaced with the label of the attribute being compared with ({@link compareAttribute}).</li>
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* </ul>
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package system.validators
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* @since 1.0
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*/
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class CCompareValidator extends CValidator
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{
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/**
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* @var string the name of the attribute to be compared with
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*/
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public $compareAttribute;
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/**
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* @var string the constant value to be compared with
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*/
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public $compareValue;
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/**
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* @var boolean whether the comparison is strict (both value and type must be the same.)
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* Defaults to false.
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*/
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public $strict=false;
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/**
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* @var boolean whether the attribute value can be null or empty. Defaults to false.
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* If this is true, it means the attribute is considered valid when it is empty.
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*/
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public $allowEmpty=false;
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/**
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* @var string the operator for comparison. Defaults to '='.
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* The followings are valid operators:
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* <ul>
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* <li>'=' or '==': validates to see if the two values are equal. If {@link strict} is true, the comparison
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* will be done in strict mode (i.e. checking value type as well).</li>
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* <li>'!=': validates to see if the two values are NOT equal. If {@link strict} is true, the comparison
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* will be done in strict mode (i.e. checking value type as well).</li>
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* <li>'>': validates to see if the value being validated is greater than the value being compared with.</li>
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* <li>'>=': validates to see if the value being validated is greater than or equal to the value being compared with.</li>
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* <li>'<': validates to see if the value being validated is less than the value being compared with.</li>
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* <li>'<=': validates to see if the value being validated is less than or equal to the value being compared with.</li>
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* </ul>
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*/
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public $operator='=';
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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 $object the object being validated
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* @param string $attribute the attribute being validated
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* @throws CException if invalid operator is used
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*/
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protected function validateAttribute($object,$attribute)
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{
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$value=$object->$attribute;
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if($this->allowEmpty && $this->isEmpty($value))
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return;
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if($this->compareValue!==null)
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$compareTo=$compareValue=$this->compareValue;
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else
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{
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$compareAttribute=$this->compareAttribute===null ? $attribute.'_repeat' : $this->compareAttribute;
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$compareValue=$object->$compareAttribute;
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$compareTo=$object->getAttributeLabel($compareAttribute);
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}
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switch($this->operator)
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{
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case '=':
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case '==':
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if(($this->strict && $value!==$compareValue) || (!$this->strict && $value!=$compareValue))
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be repeated exactly.');
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break;
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case '!=':
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if(($this->strict && $value===$compareValue) || (!$this->strict && $value==$compareValue))
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must not be equal to "{compareValue}".');
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break;
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case '>':
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if($value<=$compareValue)
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be greater than "{compareValue}".');
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break;
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case '>=':
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if($value<$compareValue)
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be greater than or equal to "{compareValue}".');
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break;
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case '<':
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if($value>=$compareValue)
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be less than "{compareValue}".');
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break;
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case '<=':
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if($value>$compareValue)
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be less than or equal to "{compareValue}".');
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break;
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default:
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throw new CException(Yii::t('yii','Invalid operator "{operator}".',array('{operator}'=>$this->operator)));
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}
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if(!empty($message))
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$this->addError($object,$attribute,$message,array('{compareAttribute}'=>$compareTo,'{compareValue}'=>$compareValue));
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}
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/**
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* Returns the JavaScript needed for performing client-side validation.
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* @param CModel $object the data object being validated
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* @param string $attribute the name of the attribute to be validated.
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* @throws CException if invalid operator is used
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* @return string the client-side validation script.
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* @see CActiveForm::enableClientValidation
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* @since 1.1.7
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*/
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public function clientValidateAttribute($object,$attribute)
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{
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if($this->compareValue !== null)
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{
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$compareTo=$this->compareValue;
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$compareValue=CJSON::encode($this->compareValue);
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}
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else
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{
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$compareAttribute=$this->compareAttribute === null ? $attribute . '_repeat' : $this->compareAttribute;
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$compareValue="jQuery('#" . (CHtml::activeId($object, $compareAttribute)) . "').val()";
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$compareTo=$object->getAttributeLabel($compareAttribute);
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}
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$message=$this->message;
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switch($this->operator)
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{
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case '=':
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case '==':
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if($message===null)
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$message=Yii::t('yii','{attribute} must be repeated exactly.');
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$condition='value!='.$compareValue;
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break;
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case '!=':
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if($message===null)
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$message=Yii::t('yii','{attribute} must not be equal to "{compareValue}".');
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$condition='value=='.$compareValue;
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break;
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case '>':
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if($message===null)
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$message=Yii::t('yii','{attribute} must be greater than "{compareValue}".');
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$condition='parseFloat(value)<=parseFloat('.$compareValue.')';
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break;
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case '>=':
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if($message===null)
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$message=Yii::t('yii','{attribute} must be greater than or equal to "{compareValue}".');
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$condition='parseFloat(value)<parseFloat('.$compareValue.')';
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break;
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case '<':
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if($message===null)
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$message=Yii::t('yii','{attribute} must be less than "{compareValue}".');
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$condition='parseFloat(value)>=parseFloat('.$compareValue.')';
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break;
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case '<=':
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if($message===null)
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$message=Yii::t('yii','{attribute} must be less than or equal to "{compareValue}".');
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$condition='parseFloat(value)>parseFloat('.$compareValue.')';
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break;
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default:
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throw new CException(Yii::t('yii','Invalid operator "{operator}".',array('{operator}'=>$this->operator)));
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}
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$message=strtr($message,array(
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'{attribute}'=>$object->getAttributeLabel($attribute),
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'{compareAttribute}'=>$compareTo,
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));
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return "
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if(".($this->allowEmpty ? "jQuery.trim(value)!='' && " : '').$condition.") {
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messages.push(".CJSON::encode($message).".replace('{compareValue}', ".$compareValue."));
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}
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";
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}
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}
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