Sam Yong

<?php

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

$time_start = microtime_float();
$test = "cool";
echo $test.'<br/>';
$time_end = microtime_float();
$loadedin = (float)($time_end - $time_start);
echo $loadedin.' s<br/>';

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

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

?>