Loop test

testloop.php

<?php
$array = array_fill(0, 50000, 'a');

$start = microtime(true);

for ($i = 0; $i < sizeof($array); $i++);

$end = microtime(true);

echo "Completed with sizeof in the loop in    " . ($end - $start) . "s\n";

$start = microtime(true);

for ($i = 0, $total = sizeof($array); $i < $total; $i++);

$end = microtime(true);

echo "Completed without sizeof in the loop in " . ($end - $start) . "s\n";

// Output for me:
// Completed with sizeof in the loop in    0.0959849357605s
// Completed without sizeof in the loop in 0.01615691185s