3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x (string $a) { var_dump($a); } x();
Output for 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function x(), 0 passed in /in/iknDk on line 7 and exactly 1 expected in /in/iknDk:3 Stack trace: #0 /in/iknDk(7): x() #1 {main} thrown in /in/iknDk on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Fatal error: Uncaught TypeError: Argument 1 passed to x() must be of the type string, none given, called in /in/iknDk on line 7 and defined in /in/iknDk:3 Stack trace: #0 /in/iknDk(7): x() #1 {main} thrown in /in/iknDk on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Argument 1 passed to x() must be an instance of string, none given, called in /in/iknDk on line 7 and defined in /in/iknDk on line 3
Process exited with code 255.

preferences:
157.66 ms | 402 KiB | 198 Q