3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array(5484108 => 'AVDS124047', 5484986 => 'OVDS124050'); $arr2 = array('stock' => '{Lang:STOCK}', 'rma' => '{Lang:RMA}'); var_dump($arr1+$arr2);
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 - 5.6.40, 7.0.0 - 7.0.33, 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(4) { [5484108]=> string(10) "AVDS124047" [5484986]=> string(10) "OVDS124050" ["stock"]=> string(12) "{Lang:STOCK}" ["rma"]=> string(10) "{Lang:RMA}" }

preferences:
285.06 ms | 406 KiB | 456 Q