Question

php 怎样用循环得到一个用户下级及下下级,下下下级...的总人数

function subfl($uid,$num1){
$result1=mysql_query("select * from user where lid='".$uid."'");
echo "select * from user where lid='".$uid."'";
$num2=mysql_num_rows($result1)+$num1;
$num=$num2;

if($myrow1=mysql_fetch_array($result1)){

do {
$this->subfl($myrow1["id"],$num2);
}
while ($myrow1=mysql_fetch_array($result1));
}else{
$num1=$num2;

Answer 1

function num($num,$uid)
{
$result1=mysql_query("select * from user where lid='".$uid."'");
$n=mysql_num_rows($result1);
$f = $num + $n;
$t = num($f,$uid)
return $t;
}

用一个递归就可以了