Posted by Vince Morgan on 04/12/07 12:57

"Rienk Withaar" <r.g.withaar@rug.nl> wrote in message
news:evl3vj$abq$2@info.service.rug.nl...
> Hello, I have the following problem:
>
> I want my function to return a value, $l, using the following function:
>
> function level($n,$l=0,$d=false) {
> if ($d) { return $l; }
> else {
> $ff=get_folders();
> for ($i=0;$i<count($ff);$i++) {
> if ($n==$ff[$i][0]) {
> if ($ff[$i][4]!=0) {

Post-incrementing here will cause$1 to be incremented by 2 on the next
recursion.
If on the first pass $1 = 0, on the second pass it will be 2, not 1.
If that is your goal, I've not found a problem ;)

> $l++;

> level($ff[$i][4],$l,$d);
> }
> else {
> $d=true;
> level($ff[$i][0],$l,$d);
> }
> }
> }
> }
> }
>
HTH
Vince

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