rcdata example

if (false === $tok) {
            // Handle end of document             $this->eof();
        } else {
            // Parse character             switch ($this->textMode) {
                case Elements::TEXT_RAW:
                    $this->rawText($tok);
                    break;

                case Elements::TEXT_RCDATA:
                    $this->rcdata($tok);
                    break;

                default:
                    if ('<' === $tok || '&' === $tok) {
                        break;
                    }

                    // NULL character                     if ("\00" === $tok) {
                        $this->parseError('Received null character.');