/** * Get stack trace ID * @param string $stackTraceSummary * @param string $createdAt * @return int */ private function getStackTraceId($stackTraceSummary, $createdAt = null) { if ($stackTraceSummary === null || trim($stackTraceSummary) == '') { return null; } $md5 = md5($stackTraceSummary); if (!isset($this->stackTraceIds[$md5])) { $this->stackTraceIds[$md5] = StackTrace::getId($stackTraceSummary, $createdAt); } return $this->stackTraceIds[$md5]; }