Bug #60236 [NEW]: TLA timezone dates are not converted properly from timestamp

From: Operating system: * PHP version: 5.4.0beta2 Package: Date/time related Bug Type: Bug Bug description:TLA timezone dates are not converted properly from timestamp Description: ------------ If you convert a date with TLA timezone (like EDT) to timestamp, and then convert it back from timestamp, resulting date is off by an hour. See example below. Test script: --------------- <?php $t = new DateTime('2010-07-06 18:38:28 EDT'); $ts = $t->format('U'); var_dump($ts); $t->setTimestamp($ts); var_dump($t); Expected result: ---------------- string(10) "1278455908" object(DateTime)#1 (3) { ["date"]=> string(19) "2010-07-06 18:38:28" ["timezone_type"]=> int(2) ["timezone"]=> string(3) "EDT" } Actual result: -------------- string(10) "1278455908" object(DateTime)#1 (3) { ["date"]=> string(19) "2010-07-06 17:38:28" ["timezone_type"]=> int(2) ["timezone"]=> string(3) "EDT" } -- Edit bug report at https://bugs.php.net/bug.php?id=60236&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=60236&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=60236&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=60236&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=60236&r=fixed Fixed in SVN and need be documented: https://bugs.php.net/fix.php?id=60236&r=needdocs Fixed in release: https://bugs.php.net/fix.php?id=60236&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=60236&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=60236&r=needscript Try newer version: https://bugs.php.net/fix.php?id=60236&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=60236&r=support Expected behavior: https://bugs.php.net/fix.php?id=60236&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=60236&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=60236&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=60236&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=60236&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=60236&r=dst IIS Stability: https://bugs.php.net/fix.php?id=60236&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=60236&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=60236&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=60236&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=60236&r=mysqlcfg