PHP modifier to sluggify (make url-safe) any given string

sluggify.php

function sluggify($value) {
  return  trim(strtolower(preg_replace('/([^\w]|-)+/', '-', trim(strtr(str_replace('\'', '', trim($value)), array(
		'À'=>'A','Á'=>'A','Â'=>'A','Ã'=>'A','Å'=>'A','Ä'=>'A','Æ'=>'AE',
		'à'=>'a','á'=>'a','â'=>'a','ã'=>'a','å'=>'a','ä'=>'a','æ'=>'ae',
		'Þ'=>'B','þ'=>'b','Č'=>'C','Ć'=>'C','Ç'=>'C','č'=>'c','ć'=>'c',
		'ç'=>'c','Ď'=>'D','ð'=>'d','ď'=>'d','Đ'=>'Dj','đ'=>'dj','È'=>'E',
		'É'=>'E','Ê'=>'E','Ë'=>'E','è'=>'e','é'=>'e','ê'=>'e','ë'=>'e',
		'Ì'=>'I','Í'=>'I','Î'=>'I','Ï'=>'I','ì'=>'i','í'=>'i','î'=>'i',
		'ï'=>'i','Ľ'=>'L','ľ'=>'l','Ñ'=>'N','Ň'=>'N','ñ'=>'n','ň'=>'n',
		'Ò'=>'O','Ó'=>'O','Ô'=>'O','Õ'=>'O','Ø'=>'O','Ö'=>'O','Œ'=>'OE',
		'ð'=>'o','ò'=>'o','ó'=>'o','ô'=>'o','õ'=>'o','ö'=>'o','œ'=>'oe',
		'ø'=>'o','Ŕ'=>'R','Ř'=>'R','ŕ'=>'r','ř'=>'r','Š'=>'S','š'=>'s',
		'ß'=>'ss','Ť'=>'T','ť'=>'t','Ù'=>'U','Ú'=>'U','Û'=>'U','Ü'=>'U',
		'Ů'=>'U','ù'=>'u','ú'=>'u','û'=>'u','ü'=>'u','ů'=>'u','Ý'=>'Y',
		'Ÿ'=>'Y','ý'=>'y','ý'=>'y','ÿ'=>'y','Ž'=>'Z','ž'=>'z'
	))))));
}