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@ 2018-06-26T06:10:58Z

<?php

$arr = ["one", "two"];
$newItem = "three";

var_dump(array_combine($arr + [$newItem]));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_combine: documentation ( source)

preferences:dark modelive preview

45.39 ms | 402 KiB | 5 Q