File: /var/www/shoetique/wp-content/plugins/wp-all-export-pro/src/App/Field/Material.php
<?php
namespace Wpae\App\Field;
class Material extends Field
{
    const SECTION = 'detailedInformation';
    public function getValue($snippetData)
    {
        $detailedInformationData = $this->feed->getSectionFeedData(self::SECTION);
        if($detailedInformationData['material'] == self::SELECT_FROM_WOOCOMMERCE_PRODUCT_ATTRIBUTES) {
            if(isset($detailedInformationData['materialAttribute'])) {
                $materialAttribute = $detailedInformationData['materialAttribute'];
                return $materialAttribute;
            } else {
                return '';
            }
        } else if($detailedInformationData['material'] == self::CUSTOM_VALUE_TEXT) {
            return $detailedInformationData['materialCV'];
        } else {
            throw new \Exception('Unknown vale '.$detailedInformationData['material'].' for field material');
        }
    }
    public function getFieldName()
    {
        return 'material';
    }
}