Codice PHP:
function replaceSpecial($var)
{
$var = str_replace("!","",$var);
$var = str_replace("\"","",$var);
$var = str_replace("#","",$var);
$var = str_replace("$","",$var);
$var = str_replace("%","",$var);
$var = str_replace("'","",$var);
$var = str_replace("(","",$var);
$var = str_replace(")","",$var);
$var = str_replace("*","",$var);
$var = str_replace("+","",$var);
$var = str_replace(",","",$var);
$var = str_replace("-","",$var);
$var = str_replace("/","",$var);
$var = str_replace(";","",$var);
$var = str_replace("<","",$var);
$var = str_replace("=","",$var);
$var = str_replace(">","",$var);
$var = str_replace("?","",$var);
$var = str_replace("@","",$var);
$var = str_replace("[","",$var);
$var = str_replace("\\","",$var);
$var = str_replace("]","",$var);
$var = str_replace("^","",$var);
//$var = str_replace("_","",$var);
$var = str_replace("`","",$var);
$var = str_replace("{","",$var);
$var = str_replace("|","",$var);
$var = str_replace("}","",$var);
$var = str_replace("~","",$var);
$var = str_replace("‘","",$var);
$var = str_replace("’","",$var);
$var = str_replace("¡","",$var);
$var = str_replace("¢","",$var);
$var = str_replace("£","",$var);
$var = str_replace("¤","",$var);
$var = str_replace("¥","",$var);
$var = str_replace("¦","",$var);
$var = str_replace("§","",$var);
$var = str_replace("¨","",$var);
$var = str_replace("©","",$var);
$var = str_replace("ª","",$var);
$var = str_replace("«","",$var);
$var = str_replace("¬","",$var);
$var = str_replace("®","",$var);
$var = str_replace("_","",$var);
$var = str_replace("¯","",$var);
$var = str_replace("°","",$var);
$var = str_replace("±","",$var);
$var = str_replace("²","",$var);
$var = str_replace("³","",$var);
$var = str_replace("´","",$var);
$var = str_replace("µ","",$var);
$var = str_replace("¶","",$var);
$var = str_replace("·","",$var);
$var = str_replace("¹","",$var);
$var = str_replace("º","",$var);
$var = str_replace("»","",$var);
$var = str_replace("¼","",$var);
$var = str_replace("½","",$var);
$var = str_replace("¾","",$var);
$var = str_replace("¿","",$var);
$var = str_replace("À","A",$var);
$var = str_replace("Á","A",$var);
$var = str_replace("Â","A",$var);
$var = str_replace("Ã","A",$var);
$var = str_replace("Ä","A",$var);
$var = str_replace("Å","Aa",$var);
$var = str_replace("Æ","Ae",$var);
$var = str_replace("Ç","C",$var);
$var = str_replace("È","E",$var);
$var = str_replace("É","E",$var);
$var = str_replace("Ê","E",$var);
$var = str_replace("Ë","E",$var);
$var = str_replace("Ì","I",$var);
$var = str_replace("Í","I",$var);
$var = str_replace("Î","I",$var);
$var = str_replace("Ï","I",$var);
$var = str_replace("Ð","D",$var);
$var = str_replace("Ñ","N",$var);
$var = str_replace("Ò","O",$var);
$var = str_replace("Ó","O",$var);
$var = str_replace("Ô","O",$var);
$var = str_replace("Õ","O",$var);
$var = str_replace("Ö","Oe",$var);
$var = str_replace("×","X",$var);
$var = str_replace("Ø","Oe",$var);
$var = str_replace("Ù","U",$var);
$var = str_replace("Ú","U",$var);
$var = str_replace("Û","U",$var);
$var = str_replace("Ü","Ue",$var);
$var = str_replace("Ý","Y",$var);
$var = str_replace("Þ","",$var);
$var = str_replace("ß","ss",$var);
$var = str_replace("à","a",$var);
$var = str_replace("á","a",$var);
$var = str_replace("â","a",$var);
$var = str_replace("ã","a",$var);
$var = str_replace("ä","ae",$var);
$var = str_replace("å","aa",$var);
$var = str_replace("æ","ae",$var);
$var = str_replace("ç","c",$var);
$var = str_replace("é","e",$var);
$var = str_replace("è","e",$var);
$var = str_replace("ê","e",$var);
$var = str_replace("ë","ee",$var);
$var = str_replace("ì","i",$var);
$var = str_replace("í","i",$var);
$var = str_replace("î","i",$var);
$var = str_replace("ï","ie",$var);
$var = str_replace("ð","",$var);
$var = str_replace("ñ","n",$var);
$var = str_replace("ò","o",$var);
$var = str_replace("ó","o",$var);
$var = str_replace("ô","o",$var);
$var = str_replace("õ","o",$var);
$var = str_replace("ö","oe",$var);
$var = str_replace("÷","",$var);
$var = str_replace("ø","oe",$var);
$var = str_replace("ù","u",$var);
$var = str_replace("ú","u",$var);
$var = str_replace("û","u",$var);
$var = str_replace("ü","ue",$var);
$var = str_replace("ý","y",$var);
$var = str_replace("þ","th",$var);
$var = str_replace("ÿ","y",$var);
$var = str_replace(" ","_",$var);
return($var);
}