Pimcore\Log\ApplicationLogger::resolveLoggingSource PHP Метод

    protected function resolveLoggingSource()
    {
        $validMethods = ['log', 'logException', 'emergency', 'critical', 'error', 'alert', 'warning', 'notice', 'info', 'debug'];
        $previousCall = null;
        $logCall = null;
        // look for the first call to this class calling one of the logging methods
        $backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
        for ($i = count($backtrace) - 1; $i >= 0; $i--) {
            $previousCall = $logCall;
            $logCall = $backtrace[$i];
            if (!empty($logCall['class']) && $logCall['class'] === __CLASS__) {
                if (in_array($logCall['function'], $validMethods)) {
                    break;
                }
            }
        }
        $normalizeFile = function ($filename) {
            return str_replace(PIMCORE_DOCUMENT_ROOT . '/', '', $filename);
        };
        $source = '';
        if (null !== $previousCall) {
            if (isset($previousCall['class'])) {
                // called from a class method
                // ClassName->methodName():line
                $source = sprintf('%s%s%s():%d', $previousCall['class'], $previousCall['type'], $previousCall['function'], $logCall['line']);
            } else {
                // called from a function
                // filename.php::functionName():line
                $source = sprintf('%s::%s():%d', $normalizeFile($previousCall['file']), $previousCall['function'], $logCall['line']);
            }
        } else {
            // we don't have a previous call when the logger was directly called
            // from a standalone PHP file (e.g. from a CLI script)
            // filename.php:line
            $source = sprintf('%s:%d', $normalizeFile($logCall['file']), $logCall['line']);
        }
        return $source;
    }