$factory = cache_factory::instance(); $definition = $factory->create_definition($component, $area); if ($definition->has_required_identifiers()) { // We will have to purge the stores used by this definition. cache_helper::purge_stores_used_by_definition($component, $area); } else { // Alrighty we can purge just the data belonging to this definition. cache_helper::purge_by_definition($component, $area); } redirect($PAGE->url, get_string('purgedefinitionsuccess', 'cache'), 5); break; case 'purgestore': case 'purge': // Purge a store cache. $store = required_param('store', PARAM_TEXT); cache_helper::purge_store($store); redirect($PAGE->url, get_string('purgestoresuccess', 'cache'), 5); break; case 'newlockinstance': // Adds a new lock instance. $lock = required_param('lock', PARAM_ALPHANUMEXT); $mform = cache_administration_helper::get_add_lock_form($lock); if ($mform->is_cancelled()) { redirect($PAGE->url); } else { if ($data = $mform->get_data()) { $factory = cache_factory::instance(); $config = $factory->create_config_instance(true); $name = $data->name; $data = cache_administration_helper::get_lock_configuration_from_data($lock, $data); $config->add_lock_instance($name, $lock, $data);