Rekursija

http://www.php.net/manual/en/recursivedirectoryiterator.construct.php

<?php

$directory = 'D:\v';

$it = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory));

while($it->valid()) {

    if (!$it->isDot()) {

        echo 'SubPathName: ' . $it->getSubPathName() . "\n";

        echo 'SubPath:     ' . $it->getSubPath() . "\n";

        echo 'Key:         ' . $it->key() . "\n\n";

echo '<br>';

    }

    $it->next();

}

?>