3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'a','b','c','d','e','f' ); $b = array( 'x', 'z', 'y' ); function arrayInsertAfter(&$array, $position, $insert) { return $array = array_merge(array_slice($array, 0, $position), $insert, array_slice($array, $position)); } print_r(arrayInsertAfter($a, 0, $b));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => x [1] => z [2] => y [3] => a [4] => b [5] => c [6] => d [7] => e [8] => f )
preferences:
261 ms | 406 KiB | 399 Q