gistfile1.php

<?php
// __call() test
// ===========================================================================

class MyBaseClass {

	function _call($method, $args)
	{
		echo($args[0]);
		return TRUE;
	}
}

if (phpversion() >= '5')
{
	eval('
		class MyClass extends MyBaseClass {

			function __call($method, $args)
			{
				return $this->_call($method, $args);
			}
		}
	');
}
else
{
	eval('
		class MyClass extends MyBaseClass {

			function __call($method, $args, &$return_value)
			{
				$return_value = $this->_call($method, $args);
			}
		}
	');
}

$obj = new MyClass();
$obj->test('Success!');

What's going on here? :-)