How does \Magento\Framework\DataObject\Copy::_getFieldsetFieldValue() work?

dmitrii_fediuk · August 22, 2016, 5:41am

Context: How does \Magento\Framework\DataObject\Copy::copyFieldsetToTarget() work?

magento/magento2/blob/2.1.0/lib/internal/Magento/Framework/DataObject/Copy.php#L173-L182


/**
 * Get value of source by code
 *
 * @param mixed $source
 * @param string $code
 *
 * @return mixed
 * @throws \InvalidArgumentException
 */
protected function _getFieldsetFieldValue($source, $code)

github.com

magento/magento2/blob/2.1.0/lib/internal/Magento/Framework/DataObject/Copy.php#L183-L199


{
    if (is_array($source)) {
        $value = isset($source[$code]) ? $source[$code] : null;
    } elseif ($source instanceof \Magento\Framework\DataObject) {
        $value = $source->getDataUsingMethod($code);
    } elseif ($source instanceof \Magento\Framework\Api\ExtensibleDataInterface) {
        $value = $this->getAttributeValueFromExtensibleDataObject($source, $code);
    } elseif ($source instanceof \Magento\Framework\Api\AbstractSimpleObject) {
        $sourceArray = $source->__toArray();
        $value = isset($sourceArray[$code]) ? $sourceArray[$code] : null;
    } else {
        throw new \InvalidArgumentException(
            'Source should be array, Magento Object, ExtensibleDataInterface, or AbstractSimpleObject'
        );
    }
    return $value;
}