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@ 2014-03-11T22:40:43Z

<?php

error_reporting(E_ALL);

$a = "D";

if (isset($b))
{

}

if (!empty($b)) {}

Output
Performance
VLD
References
Branches

error_reporting: documentation ( source)

preferences:dark modelive preview

52.14 ms | 402 KiB | 5 Q