3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = array(3,4,5); $c = array_merge($a, $b); var_export($a); echo "\n"; var_export($b); echo "\n"; var_export($c); echo "\n";

preferences:
36.69 ms | 402 KiB | 5 Q