App\Http\Middleware\PermissionsRequired::handle PHP 메소드

    public function handle(Request $request, Closure $next, $guard = 'user')
    {
        // Get the current route.
        $route = $request->route();
        // Get the current route actions.
        $actions = $route->getAction();
        // Check if we have any permissions to check the user has.
        if ($permissions = !empty($actions['permissions']) ? $actions['permissions'] : null) {
            if (!Auth::user($guard)->hasPermission($permissions, !empty($actions['permissions_require_all']))) {
                return response('Unauthorized.', 401);
            }
        }
        // Check controller permissions
        $action = explode('@', $request->route()->getActionName());
        if (isset(static::$actions[$action[0]]) && isset(static::$actions[$action[0]][$action[1]])) {
            $controller_permissions = static::$actions[$action[0]][$action[1]];
            if (!Auth::user($guard)->hasPermission($controller_permissions)) {
                return response('Unauthorized.', 401);
            }
        }
        return $next($request);
    }