<?php $a = array(); $l = 100; $i = 0; $b=null; $e=null; for($i=0;$i<$l;$i++){ $a[] = rand() . rand() . rand(); } $i=0; $b=microtime(true); for(;$i<$l;$i++){ md5($a[$i]); } $e=microtime(true); var_dump($e-$b);
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