$params
$params : array
Content parameters.
This class represents a Content-Disposition MIME header (RFC 2183).
encode(array  $opts = array()) : array
                Encodes a MIME content parameter string pursuant to RFC 2183 & 2231 (Content-Type and Content-Disposition headers).
| array | $opts | Options: 
  | 
                            
The encoded parameter string (US-ASCII).
sendEncode(array  $opts = array()) : array
                Returns the encoded string value(s) needed when sending the header text to a RFC compliant mail submission server.
| array | $opts | Additional options: 
  | 
                            
An array of string values.