<div style="width:1024px;margin:auto;text-align:center;">
<?php
	set_time_limit(0);
	$dir_now = "c:/folder";
	$c = null;
	function show_files($dir_now){
		$handle = scandir($dir_now);
		$handle[0] = null; $handle[1] = null;
		for($i = 0;$i<count($handle);$i++){
			if(is_dir($dir_now."/".$handle[$i])){
				$c .= "<span style='font-size:18px;font-weight:bold;'>".$handle[$i]."</span><br />";
				$save = scandir($dir_now."/".$handle[$i]);
				$save[0] = null; $save[1] = null;
				for($y = 0;$y<count($save);$y++){
					if($save[$y] != 'Thumbs.db'){
						$c .= $save[$y]."<br />";
					}
				}
			}else{
				if( $handle[$i] != 'Thumbs.db'){
					$c .= $handle[$i]."<br />";
				}
			}
		}
		echo $c;
	}
	show_files($dir_now);
?>
</div>