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@ 2014-09-26T08:11:27Z

<?php

$t1 = microtime(true);
$i = 1000;
$a;

while ($i--)
{
	$a = 1;
}


echo microtime(true) - $t1;

Output
Performance
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References
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microtime: documentation ( source)

preferences:dark modelive preview

26.56 ms | 402 KiB | 5 Q