LocationHelper::proxyUpdateRequest

static function proxyUpdateRequest($data)
{
	$externals = $data['EXTERNAL'];
	unset($data['EXTERNAL']);

	if(is_array($externals) && !empty($externals))
	{
		foreach($externals as $eId => $external)
		{
			if($external['XML_ID'] == '')
				unset($externals[$eId]);
		}
	}

	$data = parent::proxyUpdateRequest($data);

	if(!empty($externals))
		$data['EXTERNAL'] = $externals;

	return $data;
}