3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array('5484108' => 'AVDS124047', '5484986' => 'OVDS124050'); $arr2 = array('stock' => '{Lang:STOCK}', 'rma' => '{Lang:RMA}'); var_dump(array_merge($arr1,$arr2));

preferences:
45.92 ms | 402 KiB | 5 Q