ElggInstaller::checkDatabaseSettings PHP Method

    protected function checkDatabaseSettings($user, $password, $dbname, $host)
    {
        $config = new \Elgg\Database\Config((object) ['dbhost' => $host, 'dbuser' => $user, 'dbpass' => $password, 'dbname' => $dbname]);
        $db = new \Elgg\Database($config);
        try {
            $db->getDataRow("SELECT 1");
        } catch (DatabaseException $e) {
            if (0 === strpos($e->getMessage(), "Elgg couldn't connect")) {
                register_error(_elgg_services()->translator->translate('install:error:databasesettings'));
            } else {
                register_error(_elgg_services()->translator->translate('install:error:nodatabase', array($dbname)));
            }
            return FALSE;
        }
        // check MySQL version - must be 5.0 or >
        $version = $db->getServerVersion(\Elgg\Database\Config::READ_WRITE);
        $required_version = 5.0;
        $points = explode('.', $version);
        if ($points[0] < $required_version) {
            register_error(_elgg_services()->translator->translate('install:error:oldmysql', array($version)));
            return FALSE;
        }
        return TRUE;
    }