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@ 2013-02-20T03:07:35Z

<?php
$o = NULL;
var_dump($o[0]);

$a = array();

var_dump($a['0']);
var_dump($o['adfasdfdsf']);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

35.76 ms | 402 KiB | 5 Q