mb_language
  Set/Get current language
  
   
 
  Description
  
   mixed mb_language
    ([ string $language = mb_language()
  ] )
  
  
 
  Parameters
  
   
    
     - 
language
- 
      
       Used for encoding
       e-mail messages. Valid languages are "Japanese",
       "ja","English","en" and "uni"
       (UTF-8). mb_send_mail uses this setting to
       encode e-mail.
        
       Language and its setting is ISO-2022-JP/Base64 for
       Japanese, UTF-8/Base64 for uni, ISO-8859-1/quoted printable for
       English.
       
 
 
 
  Return Values
  
   If language is set and
   language is valid, it returns
   TRUE. Otherwise, it returns FALSE. 
   When language is omitted, it returns the language
   name as a string. If no language is set previously, it then returns
   FALSE.