src/Debug/Output/HtmlErrorSummary.php
protected function buildNotInConsole()
    {
        if (!$this->stats['notInConsole']) {
            return '';
        }
        $errors = $this->errorHandler->get('errors');
        $lis = array();
        foreach ($errors as $err) {
            if (\array_intersect_assoc(array(
                // at least one of these is true
                'category' => 'fatal',
                'inConsole' => true,
                'isSuppressed' => true,
            ), $err->getValues())) {
                continue;
            }
            $lis[] = '<li>'.$err['typeStr'].': '.$err['file'].' (line '.$err['line'].'): '
                .($err['isHtml']
                    ? $err['message']
                    : \htmlspecialchars($err['message']))
                .'</li>';
        }
        if (!$lis) {
            return '';
        }
        $count = \count($lis);
        $header = \sprintf(
            '%s %s captured while not collecting debug log',
            $this->stats['inConsole'] || isset($this->stats['counts']['fatal'])
                ? 'Additionally, there'
                : 'There',
            $count === 1
                ? 'was 1 error'
                : 'were '.$count.' errors'
        );
        $html = '<h3>'.$header.'</h3>'
            .'<ul class="list-unstyled indent">'."\n"
            .\implode("\n", $lis)."\n"
            .'</ul>';
        return $html;
    }
protected function buildNotInConsole()
    {
        if (!$this->stats['notInConsole']) {
            return '';
        }
        $errors = $this->errorHandler->get('errors');
        $lis = array();
        foreach ($errors as $err) {
            if (\array_intersect_assoc(array(
                // at least one of these is true
                'category' => 'fatal',
                'inConsole' => true,
                'isSuppressed' => true,
            ), $err->getValues())) {
                continue;
            }
            $lis[] = '<li>'.$err['typeStr'].': '.$err['file'].' (line '.$err['line'].'): '
                .($err['isHtml']
                    ? $err['message']
                    : \htmlspecialchars($err['message']))
                .'</li>';
        }
        if (!$lis) {
            return '';
        }
        $count = \count($lis);
        $header = \sprintf(
            '%s %s captured while not collecting debug log',
            $this->stats['inConsole'] || isset($this->stats['counts']['fatal'])
                ? 'Additionally, there'
                : 'There',
            $count === 1
                ? 'was 1 error'
                : 'were '.$count.' errors'
        );
        $html = '<h3>'.$header.'</h3>'
            .'<ul class="list-unstyled indent">'."\n"
            .\implode("\n", $lis)."\n"
            .'</ul>';
        return $html;
    }
Returns summary for errors that occurred while log collect = false

@return string