--- a/wp/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php Fri Sep 05 18:40:08 2025 +0200
+++ b/wp/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php Fri Sep 05 18:52:52 2025 +0200
@@ -269,6 +269,11 @@
* @return WP_REST_Response
*/
public function get_items( $request ) {
+ if ( $request->is_method( 'HEAD' ) ) {
+ // Return early as this handler doesn't add any response headers.
+ return new WP_REST_Response( array() );
+ }
+
$query = array();
if ( isset( $request['wp_id'] ) ) {
$query['wp_id'] = $request['wp_id'];
@@ -326,7 +331,7 @@
* @return WP_REST_Response|WP_Error
*/
public function get_item( $request ) {
- if ( isset( $request['source'] ) && 'theme' === $request['source'] ) {
+ if ( isset( $request['source'] ) && ( 'theme' === $request['source'] || 'plugin' === $request['source'] ) ) {
$template = get_block_file_template( $request['id'], $this->post_type );
} else {
$template = get_block_template( $request['id'], $this->post_type );
@@ -668,8 +673,15 @@
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
- // Resolve pattern blocks so they don't need to be resolved client-side
- // in the editor, improving performance.
+ // Don't prepare the response body for HEAD requests.
+ if ( $request->is_method( 'HEAD' ) ) {
+ return new WP_REST_Response( array() );
+ }
+
+ /*
+ * Resolve pattern blocks so they don't need to be resolved client-side
+ * in the editor, improving performance.
+ */
$blocks = parse_blocks( $item->content );
$blocks = resolve_pattern_blocks( $blocks );
$item->content = serialize_blocks( $blocks );
@@ -774,6 +786,13 @@
$data['original_source'] = self::get_wp_templates_original_source_field( $template );
}
+ if ( rest_is_field_included( 'plugin', $fields ) ) {
+ $registered_template = WP_Block_Templates_Registry::get_instance()->get_by_slug( $template->slug );
+ if ( $registered_template ) {
+ $data['plugin'] = $registered_template->plugin;
+ }
+ }
+
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
@@ -806,11 +825,13 @@
*/
private static function get_wp_templates_original_source_field( $template_object ) {
if ( 'wp_template' === $template_object->type || 'wp_template_part' === $template_object->type ) {
- // Added by theme.
- // Template originally provided by a theme, but customized by a user.
- // Templates originally didn't have the 'origin' field so identify
- // older customized templates by checking for no origin and a 'theme'
- // or 'custom' source.
+ /*
+ * Added by theme.
+ * Template originally provided by a theme, but customized by a user.
+ * Templates originally didn't have the 'origin' field so identify
+ * older customized templates by checking for no origin and a 'theme'
+ * or 'custom' source.
+ */
if ( $template_object->has_theme_file &&
( 'theme' === $template_object->origin || (
empty( $template_object->origin ) && in_array(
@@ -827,14 +848,16 @@
}
// Added by plugin.
- if ( $template_object->has_theme_file && 'plugin' === $template_object->origin ) {
+ if ( 'plugin' === $template_object->origin ) {
return 'plugin';
}
- // Added by site.
- // Template was created from scratch, but has no author. Author support
- // was only added to templates in WordPress 5.9. Fallback to showing the
- // site logo and title.
+ /*
+ * Added by site.
+ * Template was created from scratch, but has no author. Author support
+ * was only added to templates in WordPress 5.9. Fallback to showing the
+ * site logo and title.
+ */
if ( empty( $template_object->has_theme_file ) && 'custom' === $template_object->source && empty( $template_object->author ) ) {
return 'site';
}
@@ -859,9 +882,41 @@
$theme_name = wp_get_theme( $template_object->theme )->get( 'Name' );
return empty( $theme_name ) ? $template_object->theme : $theme_name;
case 'plugin':
- $plugins = get_plugins();
- $plugin = $plugins[ plugin_basename( sanitize_text_field( $template_object->theme . '.php' ) ) ];
- return empty( $plugin['Name'] ) ? $template_object->theme : $plugin['Name'];
+ if ( ! function_exists( 'get_plugins' ) ) {
+ require_once ABSPATH . 'wp-admin/includes/plugin.php';
+ }
+ if ( isset( $template_object->plugin ) ) {
+ $plugins = wp_get_active_and_valid_plugins();
+
+ foreach ( $plugins as $plugin_file ) {
+ $plugin_basename = plugin_basename( $plugin_file );
+ // Split basename by '/' to get the plugin slug.
+ list( $plugin_slug, ) = explode( '/', $plugin_basename );
+
+ if ( $plugin_slug === $template_object->plugin ) {
+ $plugin_data = get_plugin_data( $plugin_file );
+
+ if ( ! empty( $plugin_data['Name'] ) ) {
+ return $plugin_data['Name'];
+ }
+
+ break;
+ }
+ }
+ }
+
+ /*
+ * Fall back to the theme name if the plugin is not defined. That's needed to keep backwards
+ * compatibility with templates that were registered before the plugin attribute was added.
+ */
+ $plugins = get_plugins();
+ $plugin_basename = plugin_basename( sanitize_text_field( $template_object->theme . '.php' ) );
+ if ( isset( $plugins[ $plugin_basename ] ) && isset( $plugins[ $plugin_basename ]['Name'] ) ) {
+ return $plugins[ $plugin_basename ]['Name'];
+ }
+ return isset( $template_object->plugin ) ?
+ $template_object->plugin :
+ $template_object->theme;
case 'site':
return get_bloginfo( 'name' );
case 'user':
@@ -871,6 +926,9 @@
}
return $author->get( 'display_name' );
}
+
+ // Fail-safe to return a string should the original source ever fall through.
+ return '';
}
@@ -1125,6 +1183,12 @@
'context' => array( 'embed', 'view', 'edit' ),
'readonly' => true,
);
+ $schema['properties']['plugin'] = array(
+ 'type' => 'string',
+ 'description' => __( 'Plugin that registered the template.' ),
+ 'readonly' => true,
+ 'context' => array( 'view', 'edit', 'embed' ),
+ );
}
if ( 'wp_template_part' === $this->post_type ) {