3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrPortales = array(array('idCMSPortal' => 1), array('idCMSPortal'=>104)); array_walk(function($e){echo $e . "\n";}, $arrPortales);
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught Error: array_walk(): Argument #1 ($array) could not be passed by reference in /in/TBil5:4 Stack trace: #0 {main} thrown in /in/TBil5 on line 4
Process exited with code 255.
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18
Fatal error: Uncaught Error: array_walk(): Argument #1 ($array) cannot be passed by reference in /in/TBil5:4 Stack trace: #0 {main} thrown in /in/TBil5 on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.25, 5.4.0 - 5.4.15
Fatal error: Only variables can be passed by reference in /in/TBil5 on line 4
Process exited with code 255.

preferences:
76.42 ms | 402 KiB | 69 Q