_update_manager_cache_directory($create = TRUE) Returns the directory where update archive files should be

update_page_top() Implements

The root location under which updated projects will be saved. Type: string File

The site path. Type: string File core/modules/updat

An array of installed and enabled projects. Type:

protected UpdateSettingsForm::getEditableConfigNames()

_update_batch_create_message(&$project_results, $message, $success = TRUE) Creates a structure of log messages

protected UpdateRegistry::loadUpdateFiles(array $module_extensions)

The root location under which installed projects will be saved. Type: string File

Fetches project information from remote locations. Hierarchy interface \Drupal\update\