Tiny IO benchmark in PHP.

iobench.php

<?php
for ($j = 0; $j < 100; $j++) {

$time = microtime(true);
for ($i = 0; $i < 1000; $i++) {
  $fn = sprintf("%04d", $i);
  file_put_contents($fn . ".spf", "asdfasdfasdfasdf");
}
echo (microtime(true) - $time);
echo ",";

$files = glob("*.spf");

$time = microtime(true);
foreach ($files as $fn) {
  stat($fn);
}
echo (microtime(true) - $time);
echo ",";

$time = microtime(true);
foreach ($files as $fn) {
  file_get_contents($fn);
}
echo (microtime(true) - $time);
echo ",";

$time = microtime(true);
foreach ($files as $fn) {
  unlink($fn);
}
echo (microtime(true) - $time);
echo "\n";
}