jQuery: What to do with the list that sortable('serialize') returns?

Question

With jQuery I\'m retrieving positions of a sortable list using \'serialize\', like this:

var order = $(\'ul\').sortable(\'serialize\');

The vari

Answer 1

Lets say you were ordering news items, and your page sent this to "?id[]=2&id[]=3&id[]=1&id[]=4&id[]=5" your php code.

$_POST['id'] # would be [2,3,1,4,5]

// Now we need to update the position field of these items    

foreach($_POST['id'] as $i=>$id ):
   // For our first record, $i is 0, and $id is 2.

   $post = Post::get($id); # Do you own database access here
   $post->position = $i; # Set the position to its location in the array
   $post->save(); # Save the record
endforeach