VCardImport::tryMapBirthdayAttribute

protected function tryMapBirthdayAttribute(VCard\VCardElement $element, array &$fields)
{
	$attr = $element->getFirstAttributeByName('BDAY');
	if($attr === null)
	{
		return false;
	}

	$time = strtotime($attr->getValue());
	if($time === false)
	{
		return false;
	}

	$fields['BIRTHDATE'] = ConvertTimeStamp($time, 'SHORT');
	$this->mappedFields[] = 'BIRTHDATE';
	return true;
}