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@ 2014-08-21T15:13:43Z

<?php
$x = new SplFixedArray(1);
$x[0] *= 2;

$y = null;
$y *= 2;
var_dump($x[0]);
var_dump($y);

Output
Performance
VLD
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var_dump: documentation ( source)

preferences:dark modelive preview

35.16 ms | 402 KiB | 5 Q