Delete dir recursively

function delete_directory($dirname) {	$dir_handle = opendir($dirname);	if ( !$dir_handle )		return false;	while ( $file = readdir($dir_handle) )		if ( $file != "." && $file != ".." )			if ( !is_dir($dirname."/".$file) )					unlink($dirname."/".$file);			else				delete_directory($dirname.'/'.$file);	closedir($dir_handle);	rmdir($dirname);	return true;}