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@ 2017-07-07T08:17:39Z

<?php

$array = array(1,22,54,75,90,364);
$keys = array_keys($array);

Var_dump($keys);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_keys: documentation ( source)

preferences:dark modelive preview

38.75 ms | 402 KiB | 5 Q