Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php
public function writeRawData($text)
    {
        if (is_array($text)) {
            $text = implode("\n", $text);
        }

        return $this->writeRaw(htmlspecialchars($text));
    }
public function writeRawData($text)
    {
        if (is_array($text)) {
            $text = implode("\n", $text);
        }

        return $this->writeRaw(htmlspecialchars($text));
    }
Wrapper method for writeRaw.

@param string|string[] $text

@return bool