<?
	// Directory:
	// $dir = $_GET['dir'] . '/';
	   $dir = "images/";

	$files = scandir($dir);
	foreach($files as $key => $value){
		$output .= $value;
		//You could add an icon in here maybe, a link to the file/directory, or a link to list files in that directory
	}

	echo $value;
?>