admin_toolbar-8.x-2.x-dev/admin_toolbar_search/admin_toolbar_search.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the Admin Toolbar Search module.
 */

/**
 * Update settings: 'display_menu_item' and 'enable_keyboard_shortcut'.
 */
function admin_toolbar_search_update_8001() {
  // Convert the 'display_menu_item' setting from integer to boolean and enable
  // the 'enable_keyboard_shortcut' setting by default.
  /** @var \Drupal\Core\Config\Config $admin_toolbar_search_config */
  $admin_toolbar_search_config = \Drupal::service('config.factory')
    ->getEditable('admin_toolbar_search.settings');
  // Get the current value of 'display_menu_item' setting, which is an integer.
  $display_menu_item = $admin_toolbar_search_config->get('display_menu_item');

  // Update the configuration settings.
  $admin_toolbar_search_config
    // Convert the existing field value from an integer to a boolean.
    ->set('display_menu_item', (bool) $display_menu_item)
    // Enable the keyboard shortcut by default.
    ->set('enable_keyboard_shortcut', TRUE)
    ->save(TRUE);
}

/**
 * Module CSS and '.module' files refactoring requires cache rebuild.
 */
function admin_toolbar_search_update_8002() {
  drupal_flush_all_caches();
}