1--TEST-- 2date_default_timezone_set() function [1] 3--SKIPIF-- 4<?php 5if (substr(PHP_OS, 0, 3) == 'WIN') die('skip diff TZ detection on windows.'); 6?> 7--INI-- 8date.timezone= 9--FILE-- 10<?php 11 putenv("TZ="); 12 $date1 = strtotime("2005-01-12 08:00:00"); 13 $date2 = strtotime("2005-07-12 08:00:00"); 14 date_default_timezone_set("America/Indiana/Knox"); 15 $date3 = strtotime("2005-01-12 08:00:00"); 16 $date4 = strtotime("2005-07-12 08:00:00"); 17 18 echo date_default_timezone_get(), "\n"; 19 echo date(DATE_ISO8601, $date1), "\n"; 20 echo date(DATE_ISO8601, $date2), "\n"; 21 echo date(DATE_ISO8601, $date3), "\n"; 22 echo date(DATE_ISO8601, $date4), "\n"; 23?> 24--EXPECT-- 25America/Indiana/Knox 262005-01-12T03:00:00-0500 272005-07-12T03:00:00-0500 282005-01-12T08:00:00-0500 292005-07-12T08:00:00-0500 30