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@ 2014-01-09T17:57:00Z

<?php
$a = 8;
$a = null;
var_dump( isset($a));

$s = new stdClass($z=10);
var_dump($s,$z);

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

39.1 ms | 402 KiB | 5 Q