3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tz = new DateTimeZone('Europe/Prague'); $dt = new DateTimeImmutable('2014-03-30 01:00:00', $tz); var_dump($dt->format(DATE_ISO8601)); var_dump($dt->modify('+1 hour')->format(DATE_ISO8601));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(24) "2014-03-30T01:00:00+0100" string(24) "2014-03-30T03:00:00+0200"
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/kbHRX on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTimeZone' not found in /in/kbHRX on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/kbHRX on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/kbHRX on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kbHRX on line 6
Process exited with code 255.
preferences:
255.33 ms | 401 KiB | 459 Q