3v4l.org

run code in 300+ PHP versions simultaneously
<?php function add($zahl, $zaehl){ return zahl - zaehl; } echo add(21, 21);
Output for 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: Undefined constant "zahl" in /in/NafUX:4 Stack trace: #0 /in/NafUX(8): add(21, 21) #1 {main} thrown in /in/NafUX on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant zahl - assumed 'zahl' (this will throw an Error in a future version of PHP) in /in/NafUX on line 4 Warning: Use of undefined constant zaehl - assumed 'zaehl' (this will throw an Error in a future version of PHP) in /in/NafUX on line 4 Warning: A non-numeric value encountered in /in/NafUX on line 4 Warning: A non-numeric value encountered in /in/NafUX on line 4 0
Output for 7.1.0 - 7.1.20
Notice: Use of undefined constant zahl - assumed 'zahl' in /in/NafUX on line 4 Notice: Use of undefined constant zaehl - assumed 'zaehl' in /in/NafUX on line 4 Warning: A non-numeric value encountered in /in/NafUX on line 4 Warning: A non-numeric value encountered in /in/NafUX on line 4 0
Output for 4.3.0 - 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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
Notice: Use of undefined constant zahl - assumed 'zahl' in /in/NafUX on line 4 Notice: Use of undefined constant zaehl - assumed 'zaehl' in /in/NafUX on line 4 0

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249.97 ms | 404 KiB | 313 Q