Using the __call()

gistfile1.php

class Wrapper
{
	private $_obj;

	public function __construct($obj)
	{
		$this->_obj = $obj;
	}

	public function __call($name, $args)
	{
		$result = call_user_func_array(array($this->_obj, $name), $args);
		if ($result === false) {
			echo 'error occured';
		}
		return $result;
	}
}