_update_manager_unique_identifier()
Returns a short unique identifier for this Drupal installation.
Return value
An eight character string uniquely identifying this Drupal installation.
File
core/modules/update/update.module, line 652 Handles updates of Drupal core and contributed projects.
Code
function _update_manager_unique_identifier() {
$id = &drupal_static(__FUNCTION__, '');
if (empty($id)) {
$id = substr(hash('sha256', Settings::getHashSalt()), 0, 8);
}
return $id;
}