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@ 2013-09-06T14:51:35Z

<?php

$a = array();
print_r($a);
print_r(array_key_exists("test"));

Output
Performance
VLD
References
Branches

array_key_exists: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

41.48 ms | 402 KiB | 5 Q