<?php
    date_default_timezone_set('Asia/ShangHai');
    $today = date('m-d',time());//获取当天日期
	$birthday = "10-21";//生日
	$money = 238;//消费金额
	$discount = 0.8;//八折优惠
	if($today == $birthday){
        $money *= $discount;    
    }else{
        $money *= 1;
    }
		
	
		
    echo $today."<br>";
	echo $money;
?>