Akeneo\Component\SpreadsheetParser\Xlsx\RowIterator::next PHP Method

    public function next()
    {
        $this->valid = false;
        $style = null;
        $type = null;
        $columnIndex = null;
        $rowBuilder = null;
        $currentKey = 0;
        while ($this->xml->read()) {
            if (\XMLReader::ELEMENT === $this->xml->nodeType) {
                switch ($this->xml->name) {
                    case 'row':
                        $currentKey = (int) $this->xml->getAttribute('r');
                        $rowBuilder = $this->rowBuilderFactory->create();
                        break;
                    case 'c':
                        $columnIndex = $this->columnIndexTransformer->transform($this->xml->getAttribute('r'));
                        $style = $this->getValue($this->xml->getAttribute('s'));
                        $type = $this->getValue($this->xml->getAttribute('t'));
                        break;
                    case 'v':
                        $rowBuilder->addValue($columnIndex, $this->valueTransformer->transform($this->xml->readString(), $type, $style));
                        break;
                }
            } elseif (\XMLReader::END_ELEMENT === $this->xml->nodeType) {
                switch ($this->xml->name) {
                    case 'row':
                        $currentValue = $rowBuilder->getData();
                        if (count($currentValue)) {
                            $this->currentKey = $currentKey;
                            $this->currentValue = $currentValue;
                            $this->valid = true;
                            return;
                        }
                        break;
                    case 'sheetData':
                        break 2;
                }
            }
        }
    }