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<?php
/**
 * @package		OpenCart
 * @author		Daniel Kerr
 * @copyright	Copyright (c) 2005 - 2017, OpenCart, Ltd. (https://www.opencart.com/)
 * @license		https://opensource.org/licenses/GPL-3.0
 * @link		https://www.opencart.com
*/

/**
* Proxy class
*/
class Proxy {
    /**
     * 
     *
     * @param	string	$key
     */	
	public function __get($key) {
		return $this->{$key};
	}

/**
 * 
 *
 * @param	string	$key
	 * @param	string	$value
 */	
	public function __set($key, $value) {
		 $this->{$key} = $value;
	}
	
	public function __call($key, $args) {
		$arg_data = array();
		
		$args = func_get_args();
		
		foreach ($args as $arg) {
			if ($arg instanceof Ref) {
				$arg_data[] =& $arg->getRef();
			} else {
				$arg_data[] =& $arg;
			}
		}
		
		if (isset($this->{$key})) {		
			return call_user_func_array($this->{$key}, $arg_data);	
		} else {
			$trace = debug_backtrace();
			
			exit('Notice: Undefined property: Proxy::' . $key . ' in ' . $trace[1]['file'] . ' on line ' . $trace[1]['line'] . '');
		}
	}
}