+ if ($this->debug && $this->bt) {
+ $trace =& $this->bt[count($this->bt) - 1];
+ $trace['time'] = microtime(true) - $trace['start'];
+ $trace['code'] = $this->lastresultcode;
+ $trace['message'] = $this->lastresulttext;
+ $trace['response'] = 0;
+ }