Ticket #40704: 40704.2.diff

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

@@ -842 +842 @@
                 $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 ) ) {
+                                        $args[ $param ] = $value;
+                                }
+                        }
+
                         foreach ( $handlers as $handler ) {
                                 $callback  = $handler['callback'];
                                 $response = null;

tests/phpunit/tests/rest-api/rest-server.php

@@ -162 +162 @@
                 $this->assertEquals( 200, $response->get_status() );
         }
 
+        public function test_url_params_no_numeric_keys() {
+
+                $this->server->register_route( 'test', '/test/(?P<data>.*)', array(
+                        array(
+                                'methods'  => WP_REST_Server::READABLE,
+                                'callback' => '__return_false',
+                                'args'     => array(
+                                        'data' => array(),
+                                ),
+                        ),
+                ) );
+
+                $request = new WP_REST_Request( 'GET', '/test/some-value' );
+                $this->server->dispatch( $request );
+                $this->assertEquals( array( 'data' => 'some-value' ), $request->get_params() );
+        }
+
         /**
          * Pass a capability which the user does not have, this should
          * result in a 403 error.