3v4l.org

run code in 300+ PHP versions simultaneously
<?php asort(array(3,1,2));
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: asort(): Argument #1 ($array) could not be passed by reference in /in/3WXAC:2 Stack trace: #0 {main} thrown in /in/3WXAC on line 2
Process exited with code 255.
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18
Fatal error: Uncaught Error: asort(): Argument #1 ($array) cannot be passed by reference in /in/3WXAC:2 Stack trace: #0 {main} thrown in /in/3WXAC on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.24
Fatal error: Only variables can be passed by reference in /in/3WXAC on line 2
Process exited with code 255.

preferences:
96.13 ms | 401 KiB | 81 Q