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@ 2015-11-11T17:48:22Z

<?php

$a = 1;
var_dump((unset) ($a));
var_dump($a);

$x = new StdClass;
$x->stuff = 'foo';
var_dump(property_exists($x, "stuff"));
var_dump($x->stuff);

(unset)$x->stuff;
var_dump(property_exists($x, "stuff"));
var_dump($x->stuff);

Output
Performance
VLD
References
Branches

property_exists: documentation ( source)
var_dump: documentation ( source)

preferences:dark modelive preview

42.93 ms | 402 KiB | 5 Q