Image::getItemData

protected function getItemData($data, $sku)
{
	$morePhotoValue = array();

	if(empty($data["PROPERTIES"]) || !is_array($data["PROPERTIES"]))
		return "";

	foreach($data["PROPERTIES"] as $propCode => $propParams)
	{
		if($propParams["ID"] == $this->morePhotoProp)
		{
			if(!empty($propParams["VALUE"]) && is_array($propParams["VALUE"]))
			{
				$morePhotoValue = $propParams["VALUE"];
				break;
			}
			else
			{
				return "";
			}
		}
	}

	$pictureUrls = "";

	foreach($morePhotoValue as $value)
	{
		$pictureUrl = $this->getPictureUrl($value);

		if($pictureUrl <> '')
			$pictureUrls .= "tt".$pictureUrl."n";
	}

	if($pictureUrls == '')
		return "";

	$result = "tn".
		"tt".$sku."n".
		$pictureUrls.
		"tn";

	return $result;
}