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@ 2014-11-05T13:58:53Z

<?php

$arr1 = ['a' => 1];
$arr2 = ['a' => 2];

var_dump($arr1 + $arr2, array_merge($arr1, $arr2));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_merge: documentation ( source)

preferences:dark modelive previewkey bindings

41.01 ms | 2663 KiB | 5 Q