Bug #73489 [NEW]: DateTimeZone Type 1 UTC offset

From: fernando dot dias at flechaweb dot com dot br Operating system: Ubuntu PHP version: 7.0.13 Package: PHP Language Specification Bug Type: Bug Bug description:DateTimeZone Type 1 UTC offset Description: ------------ I know that UTC offset is not the better approach to solve timezone issues, even more than region has DST. But in some situations the offset is the only way that you have to manipulate Timezone. In this situation with you interact with a DateTime object setting TimeZone more the once, it can cause some strange situations, some cases, event timestamp from DateTime appears to be changed. Test script: --------------- I got some situations with DateTime and DateTimeZone appears not showing data in the right way. // example 1 - Timestamp is changing $datetime = new DateTime('2016-11-09 20:00:00', new DateTimeZone('UTC')); var_dump($datetime->getTimestamp()); $datetime->setTimeZone(new DateTimeZone('-03:00')); $datetime->setTimeZone(new DateTimeZone('-03:00')); var_dump($datetime->getTimestamp()); // example 2 - Timestamp keeps if you use getTimestamp() before second setTimeZone() calls $datetime = new DateTime('2016-11-09 20:00:00', new DateTimeZone('UTC')); var_dump($datetime->getTimestamp()); $datetime->setTimeZone(new DateTimeZone('-03:00')); $datetime->getTimestamp(); $datetime->setTimeZone(new DateTimeZone('-03:00')); var_dump($datetime->getTimestamp()); -- Edit bug report at https://bugs.php.net/bug.php?id=73489&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73489&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73489&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73489&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73489&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73489&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73489&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73489&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73489&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73489&r=support Expected behavior: https://bugs.php.net/fix.php?id=73489&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73489&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73489&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73489&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73489&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73489&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73489&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73489&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73489&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73489&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73489&r=mysqlcfg