Something

if (!function_exists('glob')) {
	function glob($pattern) {
		$path_parts = pathinfo($pattern);
		$pattern = '^' . str_replace(array('*',  '?'), array('(.+)', '(.)'), $path_parts['basename'] . '$');
		$dir = fs_opendir($path_parts['dirname']);
		while ($file = readdir($dir)) {
			if (ereg($pattern, $file)) {
				$result[] = "{$path_parts['dirname']}/$file";
			}
		}
		closedir($dir);

		// my changes here
		if (isset($result))
			return $result;

		return (array)null;
	} 
}