Ticket #39473: 39473-2.patch

wp-includes/rest-api/class-wp-rest-server.php

@@ -72 +72 @@
          */
         protected $endpoints = array();
 
+        /**
+         * The route map is an associative array with path regexes as the keys. The
+         * value is an indexed array with the callback function/method as the first
+         * item, and a bitmask of HTTP methods as the second item (see the class
+         * constants).
+         *
+         * @access protected
+         * @var array Route map of the routes
+         */
+        protected $route_map = array();
+
         /**
          * Options defined for the routes.
          *
@@ -673 +684 @@
                 }
         }
 
+        /**
+         * Retrieves the internally stored route map.
+         *
+         * @access protected
+         *
+         * @return array Route map of the routes.
+         */
+        protected function get_route_map() {
+                return $this->route_map;
+        }
+
+        /**
+         * Sets the internally stored route map.
+         *
+         * @access protected
+         *
+         * @param array $route_map Route map of the routes.
+         */
+        protected function set_route_map( $route_map ) {
+                $this->route_map = $route_map;
+        }
+
         /**
          * Retrieves the route map.
          *
+         * Caches the results internally.
+         *
          * The route map is an associative array with path regexes as the keys. The
          * value is an indexed array with the callback function/method as the first
          * item, and a bitmask of HTTP methods as the second item (see the class
@@ -695 +730 @@
          *               `'/path/regex' => array( array( $callback, $bitmask ), ...)`.
          */
         public function get_routes() {
+                $endpoints = $this->get_route_map();
+
+                if ( ! empty( $endpoints ) ) {
+                        return $endpoints;
+                }
 
                 /**
                  * Filters the array of available endpoints.
@@ -756 +796 @@
                                 }
                         }
                 }
+                $this->set_route_map( $endpoints );
 
                 return $endpoints;
         }