Zend_Soap server/client

<?php
// file: application/models/UpperLower.php
class Application_Model_UpperLower
{
    /**
     * Converts a string to all upper strings
     *
     * @param   string $string
     * @return  string
     */
    public function convertUpper($string)
    {
        return strtoupper($string);
    }
    /**
     * Converts a string to all lower strings
     *
     * @param   string $string
     * @return  string
     */
    public function convertLower($string)
    {
        return strtolower($string);
    }
}



<?php
// file: application/controllers/SoapController.php
class SoapController extends Zend_Controller_Action
{

    public function init()
    {

    }

    public function indexAction()
    {
      $this->_helper->viewRenderer->setNoRender(true);
      if(isset($_GET['wsdl'])) {
          $autodiscover = new Zend_Soap_AutoDiscover();
          $autodiscover->setClass('Application_Model_UpperLower');
          $autodiscover->handle();
      } else {
          // pointing to the current file here
          $soap = new Zend_Soap_Server("http://zftraining.osx/soap/index?wsdl");
          $soap->setClass('Application_Model_UpperLower');
          $soap->handle();
      }
    }
    public function convertAction()
    {
        $string = $this->getRequest()->getParam('string', 'AbcXyz');
        $client = new Zend_Soap_Client('http://zftraining.osx/soap/index?wsdl');
        $this->view->string = $string;
        $this->view->upper = $client->convertUpper($string);
        $this->view->lower = $client->convertLower($string);
    }


}

<?php // file: application/views/scripts/soap/convert.phtml ?>
<dl>
 <dt>String: <?php echo $this->escape($this->string) ?></dt>
 <dd>Upper: <?php echo $this->escape($this->upper) ?></dd>
 <dd>Lower: <?php echo $this->escape($this->lower) ?></dd>
</dl>