On Monday 11 November 2002 17:20, Tomasz Ciesielski wrote:
> Hi. That's my problem:
> class MYCLASS {
> var $z = array();
> function addOne($PRODUCT_ID,$IL,$PR) {
> $this->z[$PRODUCT_ID]=array("IL" => $IL,
> "PR" => $PR);
> }
> function myPrice() {
> $cn = 0.0;
> reset($this->z);
> while (list($id,$vals) = each($this->z)) {
> problem here! -> $cn=$cn + $vals["PR"]*$vals["IL"];
Be creative!
- Use print() on $vals["PR"] and $vals["IL"] to see what they contain
- assign them to temp variables, then assign their multiplied value to a third
temp variable, then print() all three.
- you get the idea.
> }
> reset($this->z);
> return $cn;
> }
> }
>
> Example to above:
> $this->z[1] = array ("IL" => 1, "PR" => 634.4);
> then function myPrice() counts $cn as 634 (not as 634.4)!!!
> It works like that even when I convert $vals["PR"] and $vals
> ["IL"] to floats.
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