123
<?php
$i=0;
$sum=0;
for($i=0;$sum<100;$i++){
$i=$i++;
$num=rand(1,6);
switch($num){
case 1:
case 2:
case 3:
case 4:
case 5:
echo "*****前进".$num."步";
break;
default;
echo "*****点数为".$num."重新rand;";
$num=0;
}
$sum=$sum+$num;
echo "当前步数".$sum."步*****</br>";
}
echo "共运行".$i."次";
?>
