Pg::get_connection PHP Method

    public static function get_connection()
    {
        global $_AMY_CONF;
        if (!self::$connection) {
            if ('development' == $GLOBALS['_AMY_CONF']['environment']) {
                self::$connection = pg_connect($_AMY_CONF['servers'][$_SERVER['HTTP_HOST']]);
            } else {
                self::$connection = @pg_connect($_AMY_CONF['servers'][$_SERVER['HTTP_HOST']]);
            }
        }
        return self::$connection;
    }