CFLib.org – Common Function Library Project

Description:
This function uses the CGI variable HTTP_ACCEPT_LANGUAGE to attempt to choose an appropriate locale for the visitor. You could then use this locale when displaying dates, numbers, etc. or handling data entered by the visitor.

Return Values:
Returns a string.

Example:

Your locale seems to be: <cfoutput>#ClientLocale()#</cfoutput>

Parameters:

No arguments.

Full UDF Source:

/**
 * Attempts to deduce the visitor's locale.
 * 
 * @return Returns a string. 
 * @author Matthew Walker (matthew@cabbagetree.co.nz) 
 * @version 1, April 23, 2002 
 */
function ClientLocale() {
    var FirstLocale = SpanExcluding(CGI.HTTP_ACCEPT_LANGUAGE, ",;");
    var LanguageCode = ListFirst(FirstLocale, "-");
    var CountryCode = "";
    if ( ListLen(FirstLocale, "-") EQ 2 )
        CountryCode = ListGetAt(FirstLocale, 2, "-");
    switch(LanguageCode){
              case "nl":
            switch(CountryCode){
                      case "be":
                         return "Dutch (Belgian)";
                default:
                         return "Dutch (Standard)";
            }        
        case "en":
            switch(CountryCode){
                      case "au":
                         return "English (Australian)";
                case "ca":
                         return "English (Canadian)";
                case "nz":
                         return "English (New Zealand)";
                case "gb":
                         return "English (UK)";
                case "us":
                         return "English (US)";
                default:
                    return "English (UK)";
            }        
        case "fr":
            switch(CountryCode){
                case "be":
                    return "French (Belgian)";
                case "ca":
                    return "French (Canadian)";
                case "ch":
                    return "French (Swiss)";
                default:
                    return "French (Standard)";
            }
        case "de":
            switch(CountryCode){
                case "at":
                    return "German (Austrian)";
                case "ch":
                    return "German (Swiss)";
                default:
                    return "German (Standard)";
            }        
        case "it":
            switch(CountryCode){
                case "ch":
                    return "Italian (Swiss)";
                default:
                    return "Italian (Standard)";
            }    
        case "nb":
            return "Norwegian (Bokmal)";    
        case "nn":
            return "Norwegian (Nynorsk)";
        case "pt":
            switch(CountryCode){
                case "br":
                    return "Portuguese (Brazilian)";
                default:
                    return "Portuguese (Standard)";
            }    
        case "es":
            switch(CountryCode){
                case "mx":
                    return "Spanish (Mexican)";
                default:
                    return "Spanish (Modern)";
            }        
        default:
                return GetLocale();
    }        
}