benchmarks RecursiveDirectoryIterator against glob()

benchmark.php

<?php

$testDir = dirname(__FILE__).'/test/';

$startTime = microtime(true);
$touches = 0;

foreach(new RecursiveIteratorIterator(new RecursiveDirectoryIterator($testDir)) as $filepath)
{
  touch($filepath);
  $touches++;
}

printf("Touched %d files in %.4f seconds with iterators".PHP_EOL, $touches, microtime(true) - $startTime);

$startTime = microtime(true);
$touches = 0;

for($i=0; $i<5; $i++)
{
  foreach(glob($testDir.'*.*') as $filepath)
  {
    touch($filepath);
    $touches++;
  }
  $testDir .= '*/';
}

printf("Touched %d files in %.4f seconds with glob".PHP_EOL, $touches, microtime(true) - $startTime);