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@ 2014-04-22T18:51:57Z

<?php
$t = microtime(true);
$arr = array(1, 2, 3);
$x = &$arr[2];
for ($i = 0; $i < 100000; ++$i)
	$x;
printf("%0.04f\n", microtime(true) - $t);


$t = microtime(true);
$arr = array(1, 2, 3);
for ($i = 0; $i < 100000; ++$i)
	$arr[2];
printf("%0.04f\n", microtime(true) - $t);

Output
Performance
VLD
References
Branches

microtime: documentation ( source)
printf: documentation ( source)

preferences:dark modelive preview

30.48 ms | 402 KiB | 5 Q