3v4l.org

run code in 300+ PHP versions simultaneously
<?php $datetime1 = now(); $datetime2 = new DateTime('2013-01-16 20:13:00'); $interval = $datetime1->diff($datetime2); $elapsed = $interval->format('%y years, %m months, %a days, %h hours, %i minutes, %S seconds'); echo $elapsed;
Output for 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.12 - 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
Fatal error: Uncaught Error: Call to undefined function now() in /in/oCZXX:2 Stack trace: #0 {main} thrown in /in/oCZXX on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Fatal error: Call to undefined function now() in /in/oCZXX on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: now() in /in/oCZXX on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: now() in /in/oCZXX on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: now() in /in/oCZXX on line 2

preferences:
295.28 ms | 401 KiB | 416 Q