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@ 2014-10-30T23:34:04Z

<?php
$a = ['test', 'derp', 'dtht', '$_SESSION', '$_SESSION', 'derp'];

var_dump(array_search('$_SESSION', $a));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
array_search: documentation ( source)

preferences:dark modelive preview

62.81 ms | 402 KiB | 5 Q