// Write a variable into registry
public function registryInAction() {

  //build your array
  $value = array('index' => '123');

  //unless your using more than 1 registry just use the default instance
  $registry = Zend_Registry::getInstance();

  //set your array in the Registry
  Zend_Registry::set('test', $value);

  //a better test
  if($registry->isRegistered('test')) {
    echo ' yoyo variable index has been registered!!<br />';
  } else {
    echo 'dizam sumphin wentz wrongz!';
  }
  
  //clear out $value
  $value = null;

  // get the index from registry
  $value = Zend_Registry::get('test');
  var_dump($value);

  $this->_helper->viewRenderer->setNoRender();
}

// Try to read the value from registry
public function registryOutAction() {

  // get the index from registry
  $value = Zend_Registry::get('test');
  var_dump( $value );

  $this->_helper->viewRenderer->setNoRender();
}