LazyRecord\ConfigLoader::preprocessDataSourceConfig PHP Method

    public static function preprocessDataSourceConfig(array $dbconfig)
    {
        foreach ($dbconfig as &$config) {
            if (!isset($config['driver'])) {
                list($driverType) = explode(':', $config['dsn'], 2);
                $config['driver'] = $driverType;
            }
            // compatible keys for username and password
            if (isset($config['username']) && $config['username']) {
                $config['user'] = $config['username'];
            }
            if (isset($config['password']) && $config['password']) {
                $config['pass'] = $config['password'];
            }
            if (!isset($config['user'])) {
                $config['user'] = null;
            }
            if (!isset($config['pass'])) {
                $config['pass'] = null;
            }
            // build dsn string for PDO
            if (!isset($config['dsn'])) {
                // Build DSN connection string for PDO
                $dsn = self::buildDSNObject($config);
                $config['dsn'] = $dsn->__toString();
            }
            if (!isset($config['query_options'])) {
                $config['query_options'] = array();
            }
            if (!isset($config['connection_options'])) {
                $config['connection_options'] = array();
            }
            if ('mysql' === $config['driver']) {
                $config['connection_options'][PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET NAMES utf8';
            }
        }
        return $dbconfig;
    }