public static function cityStateZip($city, $state, $postalCode, $swap)
{
$str = $city;
if ($state) {
if ($str) {
$str .= ', ';
}
$str .= $state;
}
if ($swap) {
return $postalCode . ' ' . $str;
} else {
return $str . ' ' . $postalCode;
}
}