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@ 2014-04-07T15:18:28Z

<?php

function whipme()
{
    $a = NULL;
    $a--;
	var_dump($a);
    $a++;
	var_dump($a);
}
whipme();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive preview

39.68 ms | 402 KiB | 5 Q