<?php

class IndexController extends Zend_Controller_Action
{

    public function indexAction()
    {
        
        /**
         * $interests and $referral are the arrays that will be used for the
         * interests checkboxes and referral select element. 
         */
        $interests = array('Hiking', 'Bowhunting', 'Ninjitsu', 'Ted Nugent');
        $referral = array('Friend', 'Interwebs', 'TV', 'Radio', 'Other');
        
        $form = new Application_Form_Example();
        
        /**
         * Setting the post method is not strictly necessary.  Zend_Form
         * uses the post method by default
         */
        $form->setMethod('post');
        
        /**
         * Here's where I'm setting the options for the interests checkboxes and
         * the referral select element.
         * 
         * Notice that I'm using Zend_Form's fluid interface to add the
         * Zend_Validate_InArray validator to each element
         * 
         * The use of array_merge and array_combine is one of my tricks and tips
         * from my Zend_Form_Element_Multi - Tips and Tricks blog post (http://bit.ly/bEZl37)
         */
        $form->getElement('interests')
            ->addMultiOptions(array_combine($interests, $interests))
            ->addValidator(new Zend_Validate_InArray($interests));
        
        $form->getElement('referral')
            ->addMultiOptions(array_merge(array('Please make a selection . . .'), array_combine($referral, $referral)))
            ->addValidator(new Zend_Validate_InArray($referral));
        
            
        /**
         * If the request is not a post request, then the form hasn't been 
         * submitted and should be displayed.
         * 
         * $this->view->form = $form set the form property of the Zend_View
         * object to our example form object for retrieval in the view
         */
        if (!$this->getRequest()->isPost()) {
            $this->view->form = $form;
            return;
        /**
         * Request is post, but if the form doesn't pass validation,
         * it should be displayed again with current field values and
         * error messages
         */
        } elseif (!$form->isValid($_POST)) {
            $this->view->form = $form;
            return;
        }
        
        /**
         * The form has passed validation and the validated and filtered form values
         * are ready for use/manipulation/processing.
         * 
         * For the purposes of this example, the validated & filtered form values
         * are being dumped to the view.
         */
        Zend_Debug::dump($form->getValues(), 'Form Values');
    }

}