Re: Question: Simpler loop

[Marek Kilimajer <lists@xxxxxxxxxxxxx>]

Stuart Felenstein wrote:
> I have rows of input fields
> Each row contains 3 fields.  The user must fill out
> the entire row (all 3 fields) for things to work
> right. 
>
> I want to generate an error in case they have only
> filled in 1 or 2 of the boxes.
>
> Thinking I might use something like this:
>
> foreach($skills as $key => $skill)
>
>     {
>     if ($skill != '' && $skys[$key] = '' &&
> $slus[$key] = '')
>     {
>
> 	}else if{
>     if ($skill = '' && $skys[$key] != '' &&
> $slus[$key] = '')

BEWARE -  single equal sign assigns right operand to the left one, you 
need doulble, which compares and returns either false or true.

> 	}else{
>     if ($skill = '' && $skys[$key] = '' && $slus[$key]
> != '')
>
> ..... above only takes into account that 1 of that 3
> has been filled in.  I would need another set to take
> into account if 2 of the 3 have been filled in.
>
> Is there a simpler way / shorter way to check
> conditions to do this ?

foreach($skills as $key => $skill) {
  $filled_in = 0;
  if($skill != '') $filled_in++;
  if($skys[$key] != '') $filled_in++;
  if($slus[$key] != '') $filled_in++;

   if($filled_in < 2) ERROR();
}

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