wp-includes/customize/class-wp-customize-nav-menu-setting.php:630Export data for the JS client.
$dataarrayarray public function amend_customize_save_response( $data ) { if ( ! isset( $data['nav_menu_updates'] ) ) { $data['nav_menu_updates'] = array(); } if ( ! isset( $data['widget_nav_menu_updates'] ) ) { $data['widget_nav_menu_updates'] = array(); } $data['nav_menu_updates'][] = array( 'term_id' => $this->term_id, 'previous_term_id' => $this->previous_term_id, 'error' => $this->update_error ? $this->update_error->get_error_code() : null, 'status' => $this->update_status, 'saved_value' => 'deleted' === $this->update_status ? null : $this->value(), ); $data['widget_nav_menu_updates'] = array_merge( $data['widget_nav_menu_updates'], $this->_widget_nav_menu_updates ); $this->_widget_nav_menu_updates = array(); return $data; }Introduced in 4.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/customize/class-wp-customize-nav-menu-setting.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.