--- /dev/null
+--TEST--
+http_date() with timestamp
+--SKIPIF--
+<?php
+include 'skip.inc';
+?>
+--FILE--
+<?php
+echo http_date(1), "\n";
+echo http_date(1234567890), "\n";
+?>
+--EXPECTF--
+Content-type: text/html
+X-Powered-By: PHP/%s
+
+Thu, 01 Jan 1970 00:00:01 GMT
+Fri, 13 Feb 2009 23:31:30 GMT