<?php
$sum = 12;//小宠物当前的饥饿程度
echo "我饿啦:-(";
echo "<br />";
while($sum<100){//小宠物的饥饿程度到100，表示小宠物吃饱啦,不用继续喂了，没吃饱继续喂食
$num = rand(1,20);//随机数，模拟喂食小宠物的小面包
$num2=rand(1,15);
$sum = $sum + $num-$num2;
echo "我还没吃饱呢！";
echo "<br />";
echo "HP:".$sum;
}
echo "终于吃饱啦^_^";
?>
