Symfony\Component\HttpKernel\DataCollector\DumpDataCollector::htmlEncode PHP Метод

    private function htmlEncode($s)
    {
        $html = '';
        $dumper = new HtmlDumper(function ($line) use(&$html) {
            $html .= $line;
        }, $this->charset);
        $dumper->setDumpHeader('');
        $dumper->setDumpBoundaries('', '');
        $cloner = new VarCloner();
        $dumper->dump($cloner->cloneVar($s));
        return substr(strip_tags($html), 1, -1);
    }