3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $a[] = array('a'=>1); $a[] = array('a'=>2); $a[] = array('a'=>3); $b = array(); $b[] = array('a'=>1, 'b'=>2); $b[] = array('a'=>2, 'b'=>2); $b[] = array('a'=>3, 'b'=>2); $c = array_merge($a, $b); var_dump($c);

preferences:
44.68 ms | 402 KiB | 5 Q