Eccube\Log\Monolog\Helper\LogHelper::getHandler PHP Method

    public function getHandler(array $channelValues)
    {
        $app = $this->app;
        $levels = Logger::getLevels();
        // ファイル名などの設定を行い、設定がなければデフォルト値を設定
        $logFileName = isset($channelValues['filename']) ? $channelValues['filename'] : $app['config']['log']['filename'];
        $delimiter = isset($channelValues['delimiter']) ? $channelValues['delimiter'] : $app['config']['log']['delimiter'];
        $dateFormat = isset($channelValues['dateformat']) ? $channelValues['dateformat'] : $app['config']['log']['dateformat'];
        $logLevel = isset($channelValues['log_level']) ? $channelValues['log_level'] : $app['config']['log']['log_level'];
        $actionLevel = isset($channelValues['action_level']) ? $channelValues['action_level'] : $app['config']['log']['action_level'];
        $passthruLevel = isset($channelValues['passthru_level']) ? $channelValues['passthru_level'] : $app['config']['log']['passthru_level'];
        $maxFiles = isset($channelValues['max_files']) ? $channelValues['max_files'] : $app['config']['log']['max_files'];
        $logDateFormat = isset($channelValues['log_dateformat']) ? $channelValues['log_dateformat'] : $app['config']['log']['log_dateformat'];
        $logFormat = isset($channelValues['log_format']) ? $channelValues['log_format'] : $app['config']['log']['log_format'];
        if ($app['debug']) {
            $level = Logger::DEBUG;
        } else {
            $level = $logLevel;
        }
        // RotateHandlerの設定
        $filename = $app['config']['root_dir'] . '/app/log/' . $logFileName . '.log';
        $RotateHandler = new RotatingFileHandler($filename, $maxFiles, $level);
        $RotateHandler->setFilenameFormat($logFileName . $delimiter . '{date}' . $app['config']['log']['suffix'], $dateFormat);
        // ログフォーマットの設定(設定ファイルで定義)
        $RotateHandler->setFormatter(new LineFormatter($logFormat . PHP_EOL, $logDateFormat, true, true));
        // FingerCossedHandlerの設定
        $FingerCrossedHandler = new FingersCrossedHandler($RotateHandler, new ErrorLevelActivationStrategy($levels[$actionLevel]), 0, true, true, $levels[$passthruLevel]);
        // Processorの内容をログ出力
        $webProcessor = new WebProcessor();
        $uidProcessor = new UidProcessor(8);
        $FingerCrossedHandler->pushProcessor(function ($record) use($app, $uidProcessor, $webProcessor) {
            // ログフォーマットに出力する値を独自に設定
            $record['level_name'] = sprintf("%-5s", $record['level_name']);
            // セッションIDと会員IDを設定
            $record['session_id'] = null;
            $record['user_id'] = null;
            if ($app->isBooted()) {
                if (isset($app['session'])) {
                    $sessionId = $app['session']->getId();
                    if ($sessionId) {
                        $record['session_id'] = substr(sha1($sessionId), 0, 8);
                    }
                }
                if (isset($app['user'])) {
                    $user = $app->user();
                    if ($user instanceof Customer || $user instanceof Member) {
                        $record['user_id'] = $user->getId();
                    }
                }
            }
            $record['uid'] = $uidProcessor->getUid();
            $record['url'] = $webProcessor->getRequestUri();
            $record['ip'] = $webProcessor->getClientIp();
            $record['referrer'] = $webProcessor->getReferer();
            $record['method'] = $webProcessor->getMethod();
            $record['user_agent'] = $webProcessor->getUserAgent();
            // クラス名などを一旦保持し、不要な情報は削除
            $line = $record['extra']['line'];
            $functionName = $record['extra']['function'];
            // php5.3だとclass名が取得できないため、ファイル名を元に出力
            // $className = $record['extra']['class'];
            $className = $record['extra']['file'];
            // 不要な情報を削除
            unset($record['extra']['file']);
            unset($record['extra']['line']);
            unset($record['extra']['class']);
            unset($record['extra']['function']);
            $record['class'] = pathinfo($className, PATHINFO_FILENAME);
            $record['function'] = $functionName;
            $record['line'] = $line;
            return $record;
        });
        // クラス名等を取得するProcessor、ログ出力時にクラス名/関数名を無視するための設定を行っている
        $skipClasses = array('Psr\\Log\\', 'Eccube\\Log\\');
        $skipFunctions = array('log_info', 'log_notice', 'log_warning', 'log_error', 'log_critical', 'log_alert', 'log_emergency');
        $intro = new IntrospectionProcessor(Logger::DEBUG, $skipClasses, $skipFunctions);
        $FingerCrossedHandler->pushProcessor($intro);
        return $FingerCrossedHandler;
    }