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@ 2013-10-28T00:30:14Z

<?php
$var="htmlentities";
function &lawl(){};
var_dump(function_exists($var));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
function_exists: documentation ( source)

preferences:dark modelive preview

44.45 ms | 402 KiB | 5 Q