<?php // create a dummy class. (requires write access to // current working directory) $class = <<<EOF <?php class Dummy { function hello() { echo __CLASS__,' was autoloaded', PHP_EOL; } } EOF; file_put_contents('Dummy.php', $class); // require Jm_Autoloader require_once 'Jm/Autoloader.php'; $d = new Dummy(); $d->hello(); unlink('Dummy.php');