php path www nnews nnov ru scanDir function path regexp use scanDir dh

<?php 

$path = './www.nnews.nnov.ru';

$scanDir = function ($path, $regexp) use (&$scanDir) {
	$dh = opendir($path);
	while (($file = readdir($dh)) !== false) {
		if ($file == '.' || $file == '..') {
			continue;
		}
		$filename = $path . '/' . $file;
		if (is_dir($filename)) {
			foreach ($scanDir($filename, $regexp) as $result) {
				yield $result;
			}
		} else if (preg_match($regexp, $filename)) {
			yield $filename;
		}
	}
	closedir($dh);
};

foreach ($scanDir($path, '#/news/\d{4}/\d\d/\d\d/.*?\.htm$#i') as $filename) {
	printf("\t%s\n", $filename);
}