Edit report at https://bugs.php.net/bug.php?id=54799&edit=1
ID: 54799 Updated by: [email protected] Reported by: robertoherreros at gmail dot com Summary: Incorrect results when operating with time on DST changes -Status: Assigned +Status: Duplicate Type: Bug Package: Date/time related Operating System: Linux PHP Version: 5.3.6 Assigned To: derick Block user comment: N Private report: N New Comment: This is a duplicate of https://bugs.php.net/bug.php?id=51051 Previous Comments: ------------------------------------------------------------------------ [2011-05-18 08:34:47] robertoherreros at gmail dot com One more thing: // BAD // 2011-03-27, 02:00:00 -> 03:00:00 // Expected: 2011-03-27 03:30:00, Actual: 2011-03-27 02:30:00 // 2011-03-27 02:30:00 don't exists $tz = new DateTimezone('Europe/Madrid'); $d = new DateTime('2011-03-27 02:30:00',$tz); echo $d->format('Y-m-d H:i:s').'<br/>'; ------------------------------------------------------------------------ [2011-05-17 16:57:51] robertoherreros at gmail dot com Description: ------------ Incorrect results when operating with time on DST changes. Operations like: '-1 hour', '-1 min' or setTime() In order to resolve the problem, all operations with time must be done in timestamp directly. Test script: --------------- // 2011-03-27, 02:00:00 -> 03:00:00 $tz = new DateTimezone('Europe/Madrid'); $d = new DateTime('2011-03-28 02:30:00',$tz); // OK // One day early // Result: 2011-03-27 03:30:00 echo $d->modify('-1 day')->format('Y-m-d H:i:s').'<br/>'; // BAD // One hour early (or other TIME operation) // Expected: 2011-03-27 01:30:00, Actual: 2011-03-27 03:30:00 echo $d->modify('-1 hour')->format('Y-m-d H:i:s').'<br/>'; // BAD // SetDate and setTime // Expected: 2011-03-27 03:30:00, Actual: 2011-03-27 02:30:00 echo $d->setDate(2011,3,27)->setTime(2,30,0)->format('Y-m-d H:i:s').'<br/>'; // OK // Set timezone again after setDate and setTime fix the above problem // Result: 2011-03-27 03:30:00 echo $d->setDate(2011,3,27)->setTime(2,30,0)->setTimezone($tz)->format('Y-m-d H:i:s').'<br/>'; // OK // One hour early but changing timestamp // Result: 2011-03-27 01:30:00 echo $d->setTimestamp(($d->getTimestamp()-3600))->format('Y-m-d H:i:s').'<br/>'; // OK // One hour after // Result: 2011-03-27 03:30:00 echo $d->modify('2011-03-27 01:30:00')->modify('+1 hours')->format('Y-m-d H:i:s').'<br/>'; // BAD // Two hours after // Expected: 2011-03-27 04:30:00, Actual: 2011-03-27 03:30:00 echo $d->modify('2011-03-27 01:30:00')->modify('+2 hours')->format('Y-m-d H:i:s').'<br/>'; Expected result: ---------------- 2011-03-27 03:30:00 2011-03-27 01:30:00 2011-03-27 03:30:00 2011-03-27 03:30:00 2011-03-27 01:30:00 2011-03-27 03:30:00 2011-03-27 04:30:00 Actual result: -------------- 2011-03-27 03:30:00 2011-03-27 03:30:00 2011-03-27 02:30:00 2011-03-27 03:30:00 2011-03-27 01:30:00 2011-03-27 03:30:00 2011-03-27 03:30:00 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=54799&edit=1
