protected function connectionString($inbox = '')
    {
        return sprintf(static::$connectionFormat, $this->host, $this->port, $this->service, $this->enc, $inbox);
    }
protected function connectionString($inbox = '')
    {
        return sprintf(static::$connectionFormat, $this->host, $this->port, $this->service, $this->enc, $inbox);
    }
protected function connectionString ( $ inbox = '' ) { return sprintf ( static :: $ connectionFormat , $ this -> host , $ this -> port , $ this -> service , $ this -> enc , $ inbox ) ; }
Make the IMAP connection string from configuration

@param  string $inbox
@return string The connection string
Make the IMAP connection string from configuration