当大于100时，break跳出循环不起作用附上我的代码
$sum = 12;
echo "我饿了"."<br>";
while ($sum < 100){
$num = rand(1,20);
$sum += $num;
if($sum >= 100){
echo "终于吃饱了多吃了:".($sum - 100)."";
}else{
echo "我还没有吃饱，还差 ".(100 - $sum).""."<br>";
}
}
