eval() is evil, but sometimes evil wins...

gistfile1.aw

<?php

public function get_old_joomla_config()
{
	if (!isset($this->old_config)) {
		$path = JPath::clean($this->path);

		$old_config = file_get_contents($path . '/configuration.php');
		$old_config = JString::str_ireplace('JConfig', 'JConfigold', $old_config);
		$old_config = JString::str_ireplace('<?php', '', $old_config);

		// Yes, I know. eval() is evil. Goats have been sacrificed to bring
		// you this code. I promise not to use it again for a long, long time.
		eval($old_config);

		$this->old_config = new JConfigold;
	}

	return $this->old_config;
}