3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = []; array_push($foo); var_export($foo); echo count($foo);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( )0
Output for 7.2.0 - 7.2.33
Warning: array_push() expects at least 2 parameters, 1 given in /in/NI1Qu on line 3 array ( )0
preferences:
83.75 ms | 1480 KiB | 4 Q