Bug #68871 [Fbk->Opn]: strftime returns wrong timestamp with date_default_timezone_set

Edit report at https://bugs.php.net/bug.php?id=68871&edit=1 ID: 68871 User updated by: ricky at ez2 dot us Reported by: ricky at ez2 dot us Summary: strftime returns wrong timestamp with date_default_timezone_set -Status: Feedback +Status: Open Type: Bug Package: Date/time related Operating System: Ubuntu 14.04 x64 PHP Version: 5.5.20 Block user comment: N Private report: N New Comment: I use online php tester,but got wrong result. http://sandbox.onlinephpfunctions.com/code/d41ddc29adee7a0f4aba6e4dd587c2ddee33c1a0 Previous Comments: ------------------------------------------------------------------------ [2015-01-21 11:58:49] derick@php.net I can not reproduce this with PHP 5.5.21: derick@whisky:~ $ cat /tmp/68871.php <?php date_default_timezone_set('UTC'); $time = time(); $time2 = strftime('%s', $time); var_dump( $time, $time2 ); ?> derick@whisky:~ $ php -ddate.timezone=Asia/Taipei /tmp/68871.php int(1421841507) string(10) "1421841507" What do you see different here? ------------------------------------------------------------------------ [2015-01-21 10:35:40] ajf@php.net This has nothing to do with the language specification. Please choose categories accurately. ------------------------------------------------------------------------ [2015-01-21 08:04:39] ricky at ez2 dot us 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 this bug report at https://bugs.php.net/bug.php?id=68871&edit=1