吃完不动，会变胖胖的哟！
<?php
$sum = 12;//小宠物当前的饥饿程度
echo "我饿啦:-(";
echo "<br />";
while($sum<100){
$num = rand(1,20);
$sum = $sum + $num;
echo "补充恢复:".$num;
echo "<br />";
$num1=rand(1,10);
$sum=$sum-$num1;
echo "运动消耗:".$num1."<br />";
echo "汪汪,我还没吃饱呢！";
echo "<br />";
}
echo "终于吃饱啦^_^";
?>
