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@ 2013-12-17T12:43:53Z

<?php

$array["\x00\x01\x02"] = 'foo';

var_dump($array);
var_dump(key($array));

Output
Performance
VLD
References
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var_dump: documentation ( source)
key: documentation ( source)

preferences:dark modelive preview

50.43 ms | 402 KiB | 5 Q