Admins can use the clean archive feature

main/admin/index.php

@@ -238,9 +238,9 @@ if (api_is_platform_admin()) {
 	if (is_dir(api_get_path(SYS_TEST_PATH).'datafiller/')) {
 		$items[] = array('url'=>'filler.php', 	'label' => get_lang('DataFiller'));
 	}
-	if (api_is_global_platform_admin()) {
+	//if (api_is_global_platform_admin()) {
 		$items[] = array('url'=>'archive_cleanup.php', 	'label' => get_lang('ArchiveDirCleanup'));
-	}
+	//}
     
     //$items[] = array('url'=>'statistics/index.php?action=activities', 	'label' => get_lang('ImportantActivities'));
     

main/admin/settings.lib.php

@@ -1270,6 +1270,9 @@ function generate_settings_form($settings, $settings_by_access_list) {
  * @return array
  */
 function search_setting($search) {
+    if (empty($search)) {
+        return array();
+    }
     $table_settings_current = Database :: get_main_table(TABLE_MAIN_SETTINGS_CURRENT);    
     $sql = "SELECT * FROM $table_settings_current WHERE category <> 'Plugins' GROUP BY variable ORDER BY id ASC ";
     $result = Database::store_result(Database::query($sql), 'ASSOC');