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@ 2013-08-02T09:48:52Z

<?php
$arr = [5];
next($arr);
var_dump(key($arr));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
key: documentation ( source)
next: documentation ( source)

preferences:dark modelive preview

65.78 ms | 402 KiB | 5 Q