You might want something more like..

foreach ($_POST as $nkey => $new)
{
    $old = $olddata[$nkey];
    if ($old == $new)
    {
        // Match
    }
    else
    {
        // No Match
    }
}

Note: This will not check for things that are not inside $_POST.

On 02/07/06, Wade Smart <[EMAIL PROTECTED]> wrote:
>
>
>
>
>
>
> 07022006 1530 GMT-6
>
>  I am wanting to compare two things: the information from the $_POST and
>  my existing data in $olddata -> this is an array obviously.
>
>  I always forget how to use this foreach inside one another.
>  I want to check $_POST['fname'] against $olddata['fname'] and if they
>  are the same, for simple testing I want to print out SAME and
>  if different, DIFFERENT.
>
>  foreach ($_POST as $nkey => $new){
>  foreach($olddata as $okey => $old) {
>  if ($new == $old) {
>  print '"'.$new.'" AND "'.$old.'" are the <b style="color:red">SAME</b>;
> Next... <br />';
>  } else {
>  print '"'.$new.'" AND "'.$old.'" are the <b>DIFFERENT</b>; Next... <br />';
>  }
>  }
>  }
>
>  





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