From: Operating system: PHP version: 5.3.6 Package: Date/time related Bug Type: Bug Bug description:DateTime sub problem
Description: ------------ DateTime::sub() does not work on objects created by a date string. If the object is created by timestamp it works. Test script: --------------- <?php $dt = new DateTime('first day of this month'); // correct output: "2011-04-01 22:41:17" var_dump($dt); // wrong output: "2011-04-01 22:41:17" var_dump($dt->sub(new DateInterval('P2D'))); // correct output: "2011-03-30 20:41:17" var_dump(date_create('@' . $dt->getTimestamp())->sub(new DateInterval('P2D'))); -- Edit bug report at http://bugs.php.net/bug.php?id=54579&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=54579&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=54579&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=54579&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=54579&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=54579&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=54579&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=54579&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=54579&r=needscript Try newer version: http://bugs.php.net/fix.php?id=54579&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=54579&r=support Expected behavior: http://bugs.php.net/fix.php?id=54579&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=54579&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=54579&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=54579&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=54579&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=54579&r=dst IIS Stability: http://bugs.php.net/fix.php?id=54579&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=54579&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=54579&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=54579&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=54579&r=mysqlcfg