protected function buildMultipartFormDataFilePayload($name, $attachment)
    {
        return sprintf(
            '%s%s%s%s%s',
            '--boundary'.self::CRLF,
            'Content-Disposition: form-data; name="'.$name.'"; filename="picture"'.self::CRLF,
            'Content-Type: '.$attachment['mimeType'].self::CRLF.self::CRLF,
            $attachment['data'].self::CRLF,
            '--boundary--'
        );
    }
protected function buildMultipartFormDataFilePayload($name, $attachment)
    {
        return sprintf(
            '%s%s%s%s%s',
            '--boundary'.self::CRLF,
            'Content-Disposition: form-data; name="'.$name.'"; filename="picture"'.self::CRLF,
            'Content-Type: '.$attachment['mimeType'].self::CRLF.self::CRLF,
            $attachment['data'].self::CRLF,
            '--boundary--'
        );
    }
protected function buildMultipartFormDataFilePayload ( $ name , $ attachment ) { return sprintf ( '%s%s%s%s%s' , '--boundary' . self :: CRLF , 'Content-Disposition: form-data; name="' . $ name . '"; filename="picture"' . self :: CRLF , 'Content-Type: ' . $ attachment [ 'mimeType' ] . self :: CRLF . self :: CRLF , $ attachment [ 'data' ] . self :: CRLF , '--boundary--' ) ; }
Builds the file part of a multipart/form-data request body.

@param string $name
@param array $attachment

@return string The file part of a multipart/form-data request body.
Builds the file part of a multipart / form - data request body .