Bug #68871 [NEW]: strftime returns wrong timestamp with date_default_timezone_set

From: ricky at ez2 dot us Operating system: Ubuntu 14.04 x64 PHP version: 5.5.20 Package: PHP Language Specification Bug Type: Bug Bug description:strftime returns wrong timestamp with date_default_timezone_set Description: ------------ strftime with %s format returns wrong value. Test script: --------------- <?php //php.ini date.timezone = Asia/Taipei (UTC +0800) date_default_timezone_set('UTC'); $time = time(); $time2 = strftime('%s', $time); if($time != $time2){ echo "something wrong"; } else{ echo "nothing"; } Expected result: ---------------- nothing Actual result: -------------- something wrong -- Edit bug report at https://bugs.php.net/bug.php?id=68871&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68871&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68871&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68871&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68871&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68871&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68871&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68871&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68871&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68871&r=support Expected behavior: https://bugs.php.net/fix.php?id=68871&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68871&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68871&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68871&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68871&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68871&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68871&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68871&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68871&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68871&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68871&r=mysqlcfg