3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date1 = new DateTime('10-12-2014 10:00:00'); $date2 = new DateTime('11-12-2014 11:00:00'); $number1 = (int)$date1->format('U'); $number2 = (int)$date2->format('U'); echo (($number2 - $number1)/60/60);
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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
25
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/ZM2SE 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/ZM2SE 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/ZM2SE on line 3
preferences:
249.24 ms | 401 KiB | 340 Q