Sam Yong

<?php

function microtime_float(){
    list($usec, $sec) = explode(" ", microtime());
    return ((float)$usec + (float)$sec);
}

$time_start = microtime_float();

for($i =0; $i<10000;$i++){}

$time_end = microtime_float();
$loadedin = (float)($time_end - $time_start);
echo $loadedin.' seconds<br/>';

$time_start = microtime_float();

$u = 10000;
while($u-- > 0){}

$time_end = microtime_float();
$loadedin = (float)($time_end - $time_start);
echo $loadedin.' seconds<br/>';

$z = 10000;
$a = array();
while($z-- > 0){$a[10000-$z]=0;}
echo count($a).' elements<br/>';

$time_start = microtime_float();

foreach($a as $k => $v){}

$time_end = microtime_float();
$loadedin = (float)($time_end - $time_start);
echo $loadedin.' seconds<br/>';

?>