function &getSingleDBInstance() { static $db = false; if ($db === false) { global $log; $log->info("start create peardatabase"); $db = new PearDatabase(); //$adb->enableSQLlog = true; //log sql $db->connect(); if ($db->isMssql()) { $db->database->SetFetchMode(ADODB_FETCH_ASSOC); } $log->info("end create peardatabase"); } return $db; }