PMA\libraries\dbi\DBIMysqli::connect PHP Метод

    public function connect($user, $password, $server)
    {
        if ($server) {
            $server['host'] = empty($server['host']) ? 'localhost' : $server['host'];
        }
        // NULL enables connection to the default socket
        $link = mysqli_init();
        if (defined('PMA_ENABLE_LDI')) {
            mysqli_options($link, MYSQLI_OPT_LOCAL_INFILE, true);
        } else {
            mysqli_options($link, MYSQLI_OPT_LOCAL_INFILE, false);
        }
        $client_flags = 0;
        /* Optionally compress connection */
        if ($server['compress'] && defined('MYSQLI_CLIENT_COMPRESS')) {
            $client_flags |= MYSQLI_CLIENT_COMPRESS;
        }
        /* Optionally enable SSL */
        if ($server['ssl']) {
            $client_flags |= MYSQLI_CLIENT_SSL;
            if (!empty($server['ssl_key'])) {
                mysqli_ssl_set($link, $server['ssl_key'], $server['ssl_cert'], $server['ssl_ca'], $server['ssl_ca_path'], $server['ssl_ciphers']);
            }
            /*
             * disables SSL certificate validation on mysqlnd for MySQL 5.6 or later
             * @link https://bugs.php.net/bug.php?id=68344
             * @link https://github.com/phpmyadmin/phpmyadmin/pull/11838
             */
            if (!$server['ssl_verify']) {
                mysqli_options($link, MYSQLI_OPT_SSL_VERIFY_SERVER_CERT, $server['ssl_verify']);
                $client_flags |= MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT;
            }
        }
        $return_value = $this->_realConnect($link, $server['host'], $user, $password, $server['port'], $server['socket']);
        if ($return_value === false || is_null($return_value)) {
            return false;
        }
        return $link;
    }