Petrovich::getGender

private function getGender($gender) {
	switch($gender) {
		case 'male': return Petrovich::GENDER_MALE; break;
		case 'female': return Petrovich::GENDER_FEMALE; break;
		case 'androgynous': return Petrovich::GENDER_ANDROGYNOUS; break;
	}

	return Petrovich::GENDER_ANDROGYNOUS;
}