3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'file'; flush($a);
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 ArgumentCountError: flush() expects exactly 0 arguments, 1 given in /in/Ov7H1:4 Stack trace: #0 /in/Ov7H1(4): flush('file') #1 {main} thrown in /in/Ov7H1 on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: flush() expects exactly 0 parameters, 1 given in /in/Ov7H1 on line 4
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28

preferences:
193.53 ms | 402 KiB | 197 Q