PHP Directory listing

_directory.php

<?php  
/* Function that reads directory content and  
returns the result as links to every file in the directory 
also it disply type wheather its a file or directory 
for any help please contact Chetan Akarte... */
function DirDisply($data) {  
	$TrackDir=opendir('.');  
	while ($file = readdir($TrackDir)) {  
		if ($file == '.' || $file == '..' || $file == '.DS_Store') {
			// do nothing
		} else { 
			$info = pathinfo($file);
			$file_name =  basename($file,'.'.$info['extension']);
			print '<li class="type '.$myfile_icon.'"><a href="'.$file.'" target="'.$myfile_target.'">'.$file.'</a></li>';
		} 
	}  
	closedir($TrackDir);  
	return $data;  
}
function DescDisplay($data) {  
	$TrackDir=opendir('.'); 
	closedir($TrackDir);  
	return $data;  
}  
?> 
<?php @ DescDisplay($data);?>
<ul><?php @ DirDisply($data);?></ul>