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@ 2014-02-24T12:27:53Z

<?php

$a = array(
    2 => 'a',
    1 => 'b',
    0 => 'c',
);
var_dump(array_keys($a));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

32.82 ms | 402 KiB | 5 Q