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run code in 300+ PHP versions simultaneously
<?php $x = 5; function a($x){ echo $x; } a();
Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught ArgumentCountError: Too few arguments to function a(), 0 passed in /in/EsaYj on line 9 and exactly 1 expected in /in/EsaYj:5 Stack trace: #0 /in/EsaYj(9): a() #1 {main} thrown in /in/EsaYj on line 5
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Warning: Missing argument 1 for a(), called in /in/EsaYj on line 9 and defined in /in/EsaYj on line 5 Notice: Undefined variable: x in /in/EsaYj on line 6

preferences:
214.17 ms | 402 KiB | 325 Q