= $birthday;
// 如果生日已过，按满年龄计算
// 否则，按未满年龄计算
if ($birthdayPassed) {
$age++;
}
// 计算生肖
$生肖 = [‘鼠’, ‘牛’, ‘虎’, ‘兔’, ‘龙’, ‘蛇’, ‘马’, ‘羊’, ‘猴’, ‘鸡’, ‘狗’, ‘猪’];
$生肖Index = ($birthYear – 4) % 12;
$生肖Animal = $生肖[$生肖Index];
// 输出结果
echo “年龄：$age 岁”;
echo ”
“;
echo “生肖：$生肖Animal”;
}
?>