--TEST-- date_modify() function [2] --SKIPIF-- <?php if (!function_exists('date_create')) echo "SKIP"; ?> --FILE-- <?php date_default_timezone_set("GMT"); $d = date_create("2005-07-18 22:10:00 +0400"); echo date_format($d, 'D, d M Y H:i:s T'), "\n"; date_modify($d, "+1 hour"); echo date_format($d, 'D, d M Y H:i:s T'), "\n"; ?> --EXPECT-- Mon, 18 Jul 2005 22:10:00 GMT+0400 Mon, 18 Jul 2005 23:10:00 GMT+0400