3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new DateTime('2015-1-31'); $b = new DateTime('2015-2-1'); $a->add(new DateInterval('P1D')); echo $a->format('Y-m-d'); echo $a < $b ? 'ja' : 'nein';
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
2015-02-01nein
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::add() in /in/vrvfL on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/vrvfL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/vrvfL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/vrvfL on line 3
preferences:
235.67 ms | 401 KiB | 325 Q