PHP object instantiation benchmark

bench1.php

<?php
class Foo {
    public function __construct($i)
    {
        $this->bar = $i;
    }
}

$start = microtime(true);
$count = 1000000;

for ($i = 0; $i < $count; $i++) {
    new Foo($i);
}

$diff = microtime(true) - $start;
$time = $diff / $count;

echo $time . "s\n";
echo $time*1000 . "ms\n";
echo $time*1000000 . "ns\n";

// Output from local machine, with xdebug running
// 7.3847484588623E-7s
// 0.00073847484588623ms
// 0.73847484588623ns

// Output from http://phpfiddle.org
// 2.8995680809E-7s
// 0.00028995680809ms
// 0.28995680809ns