function system_update_1091

Set jQuery to the backwards-compatible, legacy version for existing sites.

Related topics

File

core/modules/system/system.install, line 3471

Install, update and uninstall functions for the system module.

Code

function system_update_1091() {
  if (config_get('system.core', 'jquery_version') === NULL) {
    config_set('system.core', 'jquery_version', 'legacy');
  }
}