Dir sort by date

function lastimages($dir)
{
	$content_array = array();
	
	//set current working directory
	$dirname = $dir;
	
	//Load Directory Into Array
	$handle=opendir($dirname);
	$i=0;
	while ($file = readdir($handle))
	if ($file != "." && $file != ".." && filetype($dirname."/".$file) != "dir" && $file != "Thumbs.db")
	{
		   $content_array[$i][0] = $file;
		   $content_array[$i][1] = date ("Y m d", filemtime($dirname."/".$file));
		   $i++;
	}
	//close the directory handle
	closedir($handle);
	
	//these lines sort the contents of the directory by the date
   foreach($content_array as $res)
	   $sortAux[] = $res[1];
   if (is_array($sortAux))
   		array_multisort($sortAux, SORT_DESC, $content_array);
	
	$filenamearray =  
	
	if ($i == 0)
   		return "0";
	else
		return $content_array;
}

function lastimages($dir)
{
	$content_array = array();
 
	//set current working directory
	$dirname = $dir;
 
	//Load Directory Into Array
	$handle=opendir($dirname);
	$i=0;
	while ($file = readdir($handle))
	if ($file != "." && $file != ".." && filetype($dirname."/".$file) != "dir" && $file != "Thumbs.db")
	{
		   $content_array[$i][0] = $file;
		   $content_array[$i][1] = date ("Y m d", filemtime($dirname."/".$file));
		   $i++;
	}
	//close the directory handle
	closedir($handle);
 
	//these lines sort the contents of the directory by the date
   foreach($content_array as $res)
	   $sortAux[] = $res[1];
   if (is_array($sortAux))
   		array_multisort($sortAux, SORT_DESC, $content_array);
 
	$filenamearray =  
 
	if ($i == 0)
   		return "0";
	else
		return $content_array;
}

function lastimages($dir)
{
    $content_array = array();
    
    //set current working directory
    $dirname = $dir;
    
    //Load Directory Into Array
    $handle=opendir($dirname);
    $i=0;
    while ($file = readdir($handle))
    if ($file != "." && $file != ".." && filetype($dirname."/".$file) != "dir" && $file != "Thumbs.db")
    {
           $content_array[$i][0] = $file;
           $i++;
    }
    //close the directory handle
    closedir($handle);

    
    if ($i == 0)
           return "0";
    else
        return $content_array;
}

function lastimages($dir)
{
    $content_array = array();
 
    //set current working directory
    $dirname = $dir;
 
    //Load Directory Into Array
    $handle=opendir($dirname);
    $i=0;
    while ($file = readdir($handle))
    if ($file != "." && $file != ".." && filetype($dirname."/".$file) != "dir" && $file != "Thumbs.db")
    {
           $content_array[$i][0] = $file;
           $i++;
    }
    //close the directory handle
    closedir($handle);
 
 
    if ($i == 0)
           return "0";
    else
        return $content_array;
}