+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Util\Router;
+
+use FastRoute\Dispatcher\GroupCountBased;
+
+/**
+ * Extends the Fast-Router collector for getting the possible HTTP method options for a given URI
+ */
+class FriendicaGroupCountBased extends GroupCountBased
+{
+ /**
+ * Returns all possible HTTP methods for a given URI
+ *
+ * @param $uri
+ *
+ * @return array
+ *
+ * @todo Distinguish between an invalid route and the asterisk (*) default route
+ */
+ public function getOptions($uri): array
+ {
+ $varRouteData = $this->variableRouteData;
+
+ // Find allowed methods for this URI by matching against all other HTTP methods as well
+ $allowedMethods = [];
+
+ foreach ($this->staticRouteMap as $method => $uriMap) {
+ if (isset($uriMap[$uri])) {
+ $allowedMethods[] = $method;
+ }
+ }
+
+ foreach ($varRouteData as $method => $routeData) {
+ $result = $this->dispatchVariableRoute($routeData, $uri);
+ if ($result[0] === self::FOUND) {
+ $allowedMethods[] = $method;
+ }
+ }
+
+ return $allowedMethods;
+ }
+}