This is will list the files with in a directory, including files within subdirectories. The output is a MediaWiki format list of the files grouped together by similar parts.

list-directory-files.php

<?php
function list_directory_files( $directory ) {
	$files = array_diff( scandir( $directory ), array( '.', '..', 'list-files.php', '.DS_Store' ) );
	
	foreach ( $files as $file ) {
		if ( dirname( __FILE__ ) == $directory ) {
			if ( is_dir( $directory . '/' . $file ) ) {
				$folder = $file . '.php';
			}
			if ( $folder != $file ) {
				if ( is_dir( $file ) ) {
					echo '</br>=====' . ucwords( str_replace( '-', ' ', $file ) ) . '=====</br>';
					echo '*[[Exchange_Theme_Templates:_' . $file . '.php|' . $file . '.php]]</br>';
				} else {
					echo '</br>=====' . ucwords( str_replace( '-', ' ', str_replace( '.php', '', $file ) ) ) . '=====</br>';
					echo '*[[Exchange_Theme_Templates:_' . $file . '|' . $file . ']]</br>';
				}
			}
		} else {
			if ( ! is_dir( $directory . '/' . $file ) ) {
				echo '*[[Exchange_Theme_Templates:_' . str_replace( dirname( __FILE__ ) . '/', '', $directory ) . '/' . $file . '|' . str_replace( dirname( __FILE__ ) . '/', '', $directory ) . '/' . $file . ']]</br>';
			}
		}
		
		if ( is_dir( $directory . '/' . $file ) )
			list_directory_files( $directory . '/' . $file );
	}
}

list_directory_files( dirname( __FILE__ ) );