wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php:27Gets the nav menu item, if the ID is valid.
$idintobject|WP_Error protected function get_nav_menu_item( $id ) { $post = $this->get_post( $id ); if ( is_wp_error( $post ) ) { return $post; } return wp_setup_nav_menu_item( $post ); }Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.