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@ 2014-03-26T15:29:47Z

<?php
$a = array("one" => 1, "two" => 2);
reset($a);
$firstKey = key($a);
echo $firstKey . "\n";

Output
Performance
VLD
References
Branches

reset: documentation ( source)
key: documentation ( source)

preferences:dark modelive preview

62.63 ms | 402 KiB | 5 Q