AudienceVkads::prepareContacts

protected function prepareContacts(array $contacts = array())
{
	$data = array();
	foreach (static::$listRowMap['SUPPORTED_CONTACT_TYPES'] as $contactType)
	{
		if (!isset($contacts[$contactType]))
		{
			continue;
		}

		$data[] = implode(',', $contacts[$contactType]);
	}

	return implode(',', $data);
}