Ticket #40704: 40704.diff

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

@@ -824 +824 @@
                 $path   = $request->get_route();
 
                 foreach ( $this->get_routes() as $route => $handlers ) {
-                        $match = preg_match( '@^' . $route . '$@i', $path, $args );
+                        $match = preg_match( '@^' . $route . '$@i', $path, $matches );
 
                         if ( ! $match ) {
                                 continue;
                         }
 
+                        $args = array();
+                        foreach ( $matches as $param => $value ) {
+                                if ( is_int( $param ) ) {
+                                        continue;
+                                }
+
+                                $args[ $param ] = $value;
+                        }
+
                         foreach ( $handlers as $handler ) {
                                 $callback  = $handler['callback'];
                                 $response = null;