// create directory listing array
$listing = array();

// open directory (NOTE: you can change opendir()'s argument to be any dir)
$dh = opendir(".") or die("Couldn't open directory");

// read through dir contents while a file exists
while (!(($file=readdir($dh))===false)) {    
	
	// skip special cases (NOTE: replace "index.php" with the name of the file you put this snippet in)
	if ($file=="index.php" || $file==".htaccess" || is_dir($file) || filesize($file)==0 || !strpos($file,".")) continue;
	
	// produce human-readable file size
	$mb = null;
	$kb = filesize($file)/1024;
	if ($kb>=1000) $mb = sprintf("%.2f",$kb/1024);
	else $kb = sprintf("%.2f",$kb);
	$size = (isset($mb))? "$mb MB" : "$kb KB";
	
	// add a link to the file to the listing array
	array_push($listing,"<a href=\"".rawurlencode($file)."\" title=\"Added on ".date("j M Y",filemtime($file))."\">$file</a> [$size]");
}

// close directory
closedir($dh);

// clear the cache
clearstatcache();

// sort the files
natcasesort($listing);

// echo the files in an unordered list
echo "<ul>\n";
foreach ($listing as $val) echo "\t<li>$val</li>\n";
echo "</ul>\n";