ElementPropertyProvider::getPropertyMorePhotoId

protected function getPropertyMorePhotoId(): ?int
{
	$result = null;
	foreach ($this->getProperties() as $row)
	{
		if (
			$row['PROPERTY_TYPE'] === PropertyTable::TYPE_FILE
			&& $row['CODE'] === CIBlockPropertyTools::CODE_MORE_PHOTO
		)
		{
			$result = $row['ID'];
			break;
		}
	}

	return $result;
}