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<?php
/**
* CJavaScriptExpression class file.
*
* @author Alexander Makarov <sam@rmcreative.ru>
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2012 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/

/**
* CJavaScriptExpression represents a JavaScript expression that does not need escaping.
* It can be passed to {@link CJavaScript::encode()} and the code will stay as is.
*
* @author Alexander Makarov <sam@rmcreative.ru>
* @package system.web.helpers
* @since 1.1.11
*/
class CJavaScriptExpression
{
/**
* @var string the javascript expression wrapped by this object
*/
public $code;

/**
* @param string $code a javascript expression that is to be wrapped by this object
* @throws CException if argument is not a string
*/
public function __construct($code)
{
if(!is_string($code))
throw new CException('Value passed to CJavaScriptExpression should be a string.');
if(strpos($code, 'js:')===0)
$code=substr($code,3);
$this->code=$code;
}

/**
* String magic method
* @return string the javascript expression wrapped by this object
*/
public function __toString()
{
return $this->code;
}
}
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