readdir

gistfile1.txt

<?php


$dir = "C:\\temp\\";

$start = microtime(true);
function recursive_readdir($dir) {
	$dh = opendir($dir);
	while (false !== ($filename = readdir($dh))) {
		if ($filename != '.' && $filename != '..') {
			if (is_dir($dir . $filename)) {
				recursive_readdir($dir . $filename . '\\');
			} else {
				//echo $dir . $filename . "\n";
			}
		}
		//echo $filename . "\n";
		//$files[] = $filename;
	}
	
	closedir($dh);
}

recursive_readdir($dir);
$total = microtime(true) - $start;
echo $total;

echo "\n\n";

$start = microtime(true);
// Use Recursive functions
$iterator = new RecursiveIteratorIterator(
	new RecursiveDirectoryIterator($dir),
	RecursiveIteratorIterator::SELF_FIRST
);

foreach ($iterator as $item) {
	// Skip dots
	if ($iterator->isDot()) {
		continue;
	}
	// Add to archive
	if ($item->isDir()) {
		
	} else {
		//echo $iterator->getSubPathName() . "\n";
	}
}

$total = microtime(true) - $start;
echo $total;