// +---------------------------------------------------------------------- namespace crmeb\services\wechat\contract; /** * 配置 * Interface ConfigHandlerInterface * @package crmeb\services\wechat\contract */ interface ConfigHandlerInterface { /** * 设置 * @param string $key * @param $value * @return mixed */ public function set(string $key, $value); /** * 获取单个 * @param string|null $key * @return mixed */ public function get(string $key = null); /** * 获取全部 * @return array */ public function all(): array; }