wp-includes/rest-api/endpoints/class-wp-rest-menus-controller.php:417Returns the value of a menu's auto_add setting.
bool protected function get_menu_auto_add( $menu_id ) { $nav_menu_option = (array) get_option( 'nav_menu_options', array( 'auto_add' => array() ) ); return in_array( $menu_id, $nav_menu_option['auto_add'], true ); }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-menus-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.