Akeneo\Component\SpreadsheetParser\Xlsx\Styles::createXMLReader PHP Method

    protected function createXMLReader()
    {
        $xml = parent::createXMLReader();
        $needsRewind = false;
        while ($xml->read()) {
            if (\XMLReader::END_ELEMENT === $xml->nodeType && 'numFmts' === $xml->name) {
                break;
            } elseif (\XMLReader::ELEMENT === $xml->nodeType) {
                switch ($xml->name) {
                    case 'numFmt':
                        $this->numberFormats[$xml->getAttribute('numFmtId')] = preg_match('{^(\\[\\$[[:alpha:]]*-[0-9A-F]*\\])*[hmsdy]}i', $xml->getAttribute('formatCode')) ? static::FORMAT_DATE : static::FORMAT_DEFAULT;
                        break;
                    case 'cellXfs':
                        $needsRewind = true;
                        break;
                }
            }
        }
        if ($needsRewind) {
            $xml->close();
            $xml = parent::createXMLReader();
        }
        return $xml;
    }