Alex,

A switch statement probable isn't the way you want to do this.  There is
no real limit to how many of anything should go in a page, but there are
likely better ways to skin this particular cat.  Your goal should be to
come up with elegant ways to represent problems, such that large tasks
can be achieved using minimal code.

I'd put your includes in an array.  Based on your code, something like:

<?

$pages=array(
    1 => 'create_lsn_name',
    2 => 'create_lsn_obj',
    3 => 'create_gain',
    4 => 'lsn_layout',
    5 => 'dev_lsn_page',
);

if ($pages[$_GET['dev']]) {
    printf("<form action='create_lesson.php?dev=%s'\n", $_GET['dev']);
    include($pages[$_GET['dev']] . '.php');
    print "</form>\n";
} else {
    include('create_lsn_name.php');
}

if ($_GET['dev'] < 5) {
    $dev=$_GET['dev']+1;
}

?>

Now, adding to the include list is just a matter of updating the array.
Of course, this doesn't address the issue of navigation *backwards*
through the page list.

p


On Wed, Jan 21, 2004 at 01:07:58PM -0600, Alex Hogan wrote:
> 
> The code below is the submission of my form and the inclusion of different
> pages based on what the $dev value is.
> 
>  
> 
> My questions are;
> 
> Is there a better, or should I say more elegant, way to do what I'm doing?
> 
> Should I break out the switch statement and put it in another page?
> 
> What is the suggested limit, for clarity of reading and maintaining, for the
> number of pages included in a single page?
> 
>  
> 
> My goal is to make this extremely easy to edit and maintain.  If I can make
> a single change in one page that can affect many other pages I should break
> up the pages, shouldn't I?
> 
>  
> 
> Sorry for the bombardment of questions.
> 
>  
> 
> [code]
> 
> <td align="left" valign="top"><form action="create_lesson.php?dev=<?=$dev?>"
> method="post" name="frmCreateLesson" class="normal_text"
> id="frmCreateLesson">
> 
> <? 
> 
> switch($_GET['dev']){
> 
> case 1:
> 
>                         include('create_lsn_name.php');
> 
>                         $dev = 2;
> 
>                         break;
> 
>             case 2:
> 
>                         include('create_lsn_obj.php');
> 
>                         $dev = 3;
> 
>                         break;
> 
>             case 3:
> 
>                         include('create_gain.php');
> 
>                         $dev = 4;
> 
>                         break;
> 
>             case 4:
> 
>                         include('lsn_layout.php');
> 
>                         $dev = 5;
> 
>                         break;
> 
>             case 5:
> 
>                         include('dev_lsn_page.php');
> 
>                         break;
> 
>             default:
> 
>                         include('create_lsn_name.php');
> 
>                         break;
> 
> }
> 
>                                                 
> 
> ?>
> 
>  [/code]
> 
>  
> 
> alex hogan
> 
>  
> 
> 
> 
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