public function parse(MimePart $part)
    {
        if (!$this->middleware) {
            return $part;
        }
        $part = call_user_func(array($this->middleware, 'parse'), $part, $this->next);
        return $part;
    }
public function parse(MimePart $part)
    {
        if (!$this->middleware) {
            return $part;
        }
        $part = call_user_func(array($this->middleware, 'parse'), $part, $this->next);
        return $part;
    }
public function parse ( MimePart $ part ) { if ( ! $ this -> middleware ) { return $ part ; } $ part = call_user_func ( array ( $ this -> middleware , 'parse' ) , $ part , $ this -> next ) ; return $ part ; }
Parses the MimePart by passing it through the Middleware
@param MimePart $part
@return MimePart
Parses the MimePart by passing it through the Middleware