Cleaning Filename

Cleaning Filename

     /**
* Remove spaces and special characters from file names. Swiped this from Drupal.
*/
function clean_filename($name)
{

$special_chars = array ("#","$","%","^","&amp;","*","!","~","‘","\"","’","'","=","?","/","[","]","(",")","|","<",">",";","\\",",",".","&"," ","+",":");

 $replace_chars = array(
'Š'=>'S', 'š'=>'s', 'Ð'=>'Dj','Ž'=>'Z', 'ž'=>'z', 'À'=>'A', 'Á'=>'A', 'Â'=>'A', 'Ã'=>'A', 'Ä'=>'A',
'Å'=>'A', 'Æ'=>'A', 'Ç'=>'C', 'È'=>'E', 'É'=>'E', 'Ê'=>'E', 'Ë'=>'E', 'Ì'=>'I', 'Í'=>'I', 'Î'=>'I',
'Ï'=>'I', 'Ñ'=>'N', 'Ò'=>'O', 'Ó'=>'O', 'Ô'=>'O', 'Õ'=>'O', 'Ö'=>'O', 'Ø'=>'O', 'Ù'=>'U', 'Ú'=>'U',
'Û'=>'U', 'Ü'=>'U', 'Ý'=>'Y', 'Þ'=>'B', 'ß'=>'Ss','à'=>'a', 'á'=>'a', 'â'=>'a', 'ã'=>'a', 'ä'=>'a',
'å'=>'a', 'æ'=>'a', 'ç'=>'c', 'è'=>'e', 'é'=>'e', 'ê'=>'e', 'ë'=>'e', 'ì'=>'i', 'í'=>'i', 'î'=>'i',
'ï'=>'i', 'ð'=>'o', 'ñ'=>'n', 'ò'=>'o', 'ó'=>'o', 'ô'=>'o', 'õ'=>'o', 'ö'=>'o', 'ø'=>'o', 'ù'=>'u',
'ú'=>'u', 'û'=>'u', 'ý'=>'y', 'ý'=>'y', 'þ'=>'b', 'ÿ'=>'y', 'ƒ'=>'f'
);

$name = strtolower($name);

$ext_point = strripos($name,".");

if ($ext_point===false) return false;

$ext = substr($name,$ext_point,strlen($name));

$beforedot = substr($name,0,$ext_point);

$beforedot = str_replace($special_chars, "", $beforedot);  // remove special characters

$beforedot = strtr($beforedot, $replace_chars); // remove Accent characters

/* Limit filename to 50 chars */

 $len=strlen($beforedot);

if($len!=0)
$shortname =substr(trim($beforedot),0,50);

if($len>50)
$shortname=$shortname;

return $shortname.$ext;

}