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@ 2014-05-16T08:55:21Z

<?php

$a = new SplFixedArray(1);
$a[0] = 1;
$e = $a[0];
$e++;
$a[0] = $e;

var_dump($a);

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

52.87 ms | 402 KiB | 5 Q