WP_Customize_Nav_Menu_Setting::update( array|false $value ): null|void

Source

protected function update( $value ) {	if ( $this->is_updated ) {	return;	}	$this->is_updated = true;	$is_placeholder = ( $this->term_id < 0 );	$is_delete = ( false === $value );	add_filter( 'customize_save_response', array( $this, 'amend_customize_save_response' ) );	$auto_add = null;	if ( $is_delete ) {	// If the current setting term is a placeholder, a delete request is a no-op.	if ( $is_placeholder ) {	$this->update_status = 'deleted';	} else {	$r = wp_delete_nav_menu( $this->term_id );	if ( is_wp_error( $r ) ) {	$this->update_status = 'error';	$this->update_error = $r;	} else {	$this->update_status = 'deleted';	$auto_add = false;	}	}	} else {	// Insert or update menu.	$menu_data = wp_array_slice_assoc( $value, array( 'description', 'parent' ) );	$menu_data['menu-name'] = $value['name'];	$menu_id = $is_placeholder ? 0 : $this->term_id;	$r = wp_update_nav_menu_object( $menu_id, wp_slash( $menu_data ) );	$original_name = $menu_data['menu-name'];	$name_conflict_suffix = 1;	while ( is_wp_error( $r ) && 'menu_exists' === $r->get_error_code() ) {	$name_conflict_suffix += 1;	/* translators: 1: Original menu name, 2: Duplicate count. */	$menu_data['menu-name'] = sprintf( __( '%1$s (%2$d)' ), $original_name, $name_conflict_suffix );	$r = wp_update_nav_menu_object( $menu_id, wp_slash( $menu_data ) );	}	if ( is_wp_error( $r ) ) {	$this->update_status = 'error';	$this->update_error = $r;	} else {	if ( $is_placeholder ) {	$this->previous_term_id = $this->term_id;	$this->term_id = $r;	$this->update_status = 'inserted';	} else {	$this->update_status = 'updated';	}	$auto_add = $value['auto_add'];	}	}	if ( null !== $auto_add ) {	$nav_menu_options = $this->filter_nav_menu_options_value(	(array) get_option( 'nav_menu_options', array() ),	$this->term_id,	$auto_add	);	update_option( 'nav_menu_options', $nav_menu_options );	}	if ( 'inserted' === $this->update_status ) {	// Make sure that new menus assigned to nav menu locations use their new IDs.	foreach ( $this->manager->settings() as $setting ) {	if ( ! preg_match( '/^nav_menu_locations\[/', $setting->id ) ) {	continue;	}	$post_value = $setting->post_value( null );	if ( ! is_null( $post_value ) && (int) $post_value === $this->previous_term_id ) {	$this->manager->set_post_value( $setting->id, $this->term_id );	$setting->save();	}	}	// Make sure that any nav_menu widgets referencing the placeholder nav menu get updated and sent back to client.	foreach ( array_keys( $this->manager->unsanitized_post_values() ) as $setting_id ) {	$nav_menu_widget_setting = $this->manager->get_setting( $setting_id );	if ( ! $nav_menu_widget_setting || ! preg_match( '/^widget_nav_menu\[/', $nav_menu_widget_setting->id ) ) {	continue;	}	$widget_instance = $nav_menu_widget_setting->post_value(); // Note that this calls WP_Customize_Widgets::sanitize_widget_instance().	if ( empty( $widget_instance['nav_menu'] ) || (int) $widget_instance['nav_menu'] !== $this->previous_term_id ) {	continue;	}	$widget_instance['nav_menu'] = $this->term_id;	$updated_widget_instance = $this->manager->widgets->sanitize_widget_js_instance( $widget_instance );	$this->manager->set_post_value( $nav_menu_widget_setting->id, $updated_widget_instance );	$nav_menu_widget_setting->save();	$this->_widget_nav_menu_updates[ $nav_menu_widget_setting->id ] = $updated_widget_instance;	}	} } 

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