[thelist] stupid PHP question

[Árni Gunnar Ragnarsson]

Not a PHP specialist, but think I know what this is doing.

It is basically an IF --- THEN clause.

if (is_array($row)) {
  $row_count = count($row);
} else {
  $row_count = 0;
}



On 7/7/05, Nan Harbison <nan at heritageconcord.org> wrote:
> Hello All,
> 
> I have this function $array is a two dimensional array being retrieved from
> a table):
> 
>    foreach ($array as $row)
>    {
>      $row_count = is_array($row) ? count($row) : 0;
>      if ($row_count > $max_cols)
>      {
>         $max_cols = $row_count;
>      }
>    }
> 
> What I don't understand is the syntax of this line:
> 
>         $row_count = is_array($row) ? count($row) : 0;
> 
> I have spent hours looking through my PHP books, but can't find it. Can
> someone please explain what the question mark is doing? And the count($row)
> : 0?
> 
> Sorry, I know this is a dumb question.
> TIA,
> Nan
> 
> 
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Arni Gunnar Ragnarsson
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