Bug #68406 [NEW]: calling var_dump on a DateTimeZone object modifies it

From: derick@php.net Operating system: * PHP version: 5.6.2 Package: Date/time related Bug Type: Bug Bug description:calling var_dump on a DateTimeZone object modifies it Description: ------------ Originally, http://bugs.xdebug.org/view.php?id=1081, but really a PHP bug. Calling var_dump() on a DateTimeZone object modifies it in some circumstances. Test script: --------------- <?php $tz1 = new DateTimeZone('Europe/Berlin'); $tz2 = new DateTimeZone('Europe/Berlin'); $d = new DateTime('2014-12-24 13:00:00', $tz1); var_dump($d->getTimezone(), $tz2); if($tz2 == $d->getTimezone()) { echo "yes"; } else { echo "no"; } Expected result: ---------------- yes Actual result: -------------- no -- Edit bug report at https://bugs.php.net/bug.php?id=68406&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68406&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68406&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68406&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68406&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68406&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68406&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68406&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68406&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68406&r=support Expected behavior: https://bugs.php.net/fix.php?id=68406&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68406&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68406&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68406&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68406&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68406&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68406&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68406&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68406&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68406&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68406&r=mysqlcfg