3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(checkdate(12, 31, 2000));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Undefined constant " 31" in /in/Nv59R:3 Stack trace: #0 {main} thrown in /in/Nv59R on line 3
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant  31 - assumed ' 31' (this will throw an Error in a future version of PHP) in /in/Nv59R on line 3 Warning: Use of undefined constant  2000 - assumed ' 2000' (this will throw an Error in a future version of PHP) in /in/Nv59R on line 3 Warning: checkdate() expects parameter 2 to be int, string given in /in/Nv59R on line 3 bool(false)
Output for 7.2.0 - 7.2.33
Warning: Use of undefined constant  31 - assumed ' 31' (this will throw an Error in a future version of PHP) in /in/Nv59R on line 3 Warning: Use of undefined constant  2000 - assumed ' 2000' (this will throw an Error in a future version of PHP) in /in/Nv59R on line 3 Warning: checkdate() expects parameter 2 to be integer, string given in /in/Nv59R on line 3 bool(false)
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25
Notice: Use of undefined constant  31 - assumed ' 31' in /in/Nv59R on line 3 Notice: Use of undefined constant  2000 - assumed ' 2000' in /in/Nv59R on line 3 Warning: checkdate() expects parameter 2 to be integer, string given in /in/Nv59R on line 3 bool(false)
Output for 4.3.4 - 4.3.11, 4.4.0 - 4.4.9, 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
Notice: Use of undefined constant  31 - assumed ' 31' in /in/Nv59R on line 3 Notice: Use of undefined constant  2000 - assumed ' 2000' in /in/Nv59R on line 3 Warning: checkdate() expects parameter 2 to be long, string given in /in/Nv59R on line 3 bool(false)
Output for 4.3.0 - 4.3.3
Notice: Use of undefined constant  31 - assumed ' 31' in /in/Nv59R on line 3 Notice: Use of undefined constant  2000 - assumed ' 2000' in /in/Nv59R on line 3 bool(false)

preferences:
313.95 ms | 401 KiB | 419 Q