RE: [PHP] populate form input option dropdown box from existing data

You can try like this,

$row = stored data;
  
and write the options like this
<option value="id" (id == $row ? "selected" : "") >xxxx</option>


Yuri Yarlei.




> From: [email protected]
> To: [email protected]; [email protected]
> Date: Tue, 16 Jun 2009 09:33:49 +0100
> Subject: RE: [PHP] populate form input option dropdown box from existing data
> 
> 
> > -----Original Message-----
> > From: PJ [mailto:[email protected]]
> > Sent: 15 June 2009 23:10
> > To: [email protected]
> > Subject: [PHP] populate form input option dropdown box from existing data
> > 
> > I am having difficulties figuring out how enter retrieved data into a
> > dropdown box for editing. Here's a snippet:
> > ...snip
> > <select name="categoriesIN[]" multiple size="8">
> >         <option value="1">Civilization</option>
> >         <option value="2">Monuments, Temples &amp; Tombs</option>
> >         <option value="3">Pharaohs and Queens</option>... snip
> > 
> > As I understand it, I need to put an array ( $categoriesIN[] ) somewhere
> > in the above code... or do I need to insert a series of value "selected"
> > fields for the values?
> > The closest thing to what I need, seems to be in this post:
> > http://www.hpfreaks.com/forums/index.php?topic=165215
> > But it doesn't appear too inviting... not sure if they ever got it to
> > work...
> > 
> 
> Hi,
> 
> Something like this should work for you
> 
> <?php
>   // Set up initial values
>   // This could be hard-coded or brought in from DB or other source
>   $categoriesIN_options = array(1 => 'Civilzation',
> 					  2 => 'Monuments, Temples &amp;
> Tombs',
> 					  3 => 'Pharaohs and Queens',
> 					  );
>   // Create a holder for values posted if you want 
>   // to repopulate the form on submission
>   $selected_clean	= array();
>   // Check for passed values and validate
>   if (array_key_exists('categoriesIN',$_REQUEST)) {
>     // Prevents errors with the foreach 
>     $passed_categoriesIN = (array)$_POST['categoriesIN'];
>     foreach ($passed_categoriesIN as $options_key) {
>       // If the value isn't in our pre-defined array, handle the error
>       if (!array_key_exists($options_key,$categoriesIN_options)) {
>         // Handle error
>         continue;
>       } 
>       $selected_clean[] = $options_key;
>     }
>   }
> ?>
> [snip]
> <select name='categoriesIN' multiple size='8'>
>   <?php // Loop over the options set above
>     foreach ($categoriesIN_options as $key => $value) {
>       echo "<option value='{$key}'";
>       // Repopulate with selected
>       if (in_array($key,$selected_clean)) {
>         echo " selected='selected'";
>       }
>       echo ">{$value}</option>\n";
>     }
>   ?>
> </select>
> 
> 
> --
> 
> for (thoughts, ramblings && doodles) {
>   goto http://dajve.co.uk ;
> }
> 
> 
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