real_connect example

$ssl['cert'] ?? null,
                    $ssl['ca'] ?? null,
                    $ssl['capath'] ?? null,
                    $ssl['cipher'] ?? null
                );
            }

            $clientFlags += MYSQLI_CLIENT_SSL;
        }

        try {
            if ($this->mysqli->real_connect(
                $hostname,
                $this->username,
                $this->password,
                $this->database,
                $port,
                $socket,
                $clientFlags
            )) {
                // Prior to version 5.7.3, MySQL silently downgrades to an unencrypted connection if SSL setup fails                 if (($clientFlags & MYSQLI_CLIENT_SSL) && version_compare($this->mysqli->client_info, 'mysqlnd 5.7.3', '<=')
                    && empty($this->mysqli->query("SHOW STATUS LIKE 'ssl_cipher'")->fetch_object()->Value)
                )