app/views/topics/add

<?php echo $html->formTag('/topics/add/'. $blog[0]["User"]["id"] .'/'. $phorum_id, 'post'); ?>
<?php echo $html->hiddenTag('Topic/user_id', $othAuth->user('id'))?>
<?php echo $html->hiddenTag('Topic/phorum_id', $phorum_id)?>

<fieldset>
  <legend>New Topic</legend>
  
  <?php echo $form->labelTag( 'Topic/subject', 'Subject:' );?><br />
  <?php echo $html->input('Topic/subject', array("size" => 40, "maxlength" => 60)); ?>
  <?php echo $html->tagErrorMsg('Topic/subject', 'A subject is required.'); ?>
  <p>
    <?php echo $form->labelTag( 'Topic/message', 'Message:' );?><br />
    <?php echo $html->textarea('Topic/message', array("rows" => 10, "cols" => 50)); ?>
    <?php echo $html->tagErrorMsg('Topic/message', 'A phorum message is required.'); ?>
  </p>
  <br />  
  <p><br />
  <?php echo $html->submit('Send') ?></p>
</fieldset>
</form>


app/topics_controller/add

public function add($user_id, $phorum_id)
   {
    $this->layout    = $this->Edublog->layout($user_id);
    
    $this->set('blog', $this->Edublog->blog($user_id));
    
    $this->set('phorum_id', $phorum_id);
    
    // adds new classroom to database
    if (!empty($this->params['data']))
    { 
      $this->Sanitize = new Sanitize;
      
      $this->Sanitize->cleanArray($this->params['data']); //Hopefully this is enough
      
      if ($this->Topic->save($this->params['data']))
	  { 
           $this->flash('New topic had been added.','/topics/view/'.$user_id.'/'.$phorum_id);
	  }
    }
    
 }