/**
* Retrieves extension list from DB
*
* @return array
*
* @since 4.0.0
*/
private function getAllExtensionsFromDB() : array
{
$db = $this->db;
$query = $db->getQuery(true);
$query->select('*')->from('#__extensions');
$db->setQuery($query);
$extensions = $db->loadAssocList('extension_id');
return $extensions;
}