protected $_phrase = NULL;
/**
+ * Singleton.
+ *
* We only need one instance of this object. So we use the singleton
* pattern and cache the instance in this variable
*
- * @var object
+ * @var CRM_Utils_ReCAPTCHA
*/
static private $_singleton = NULL;
/**
* Singleton function used to manage this object.
*
- *
* @return object
*/
public static function &singleton() {
/**
* Add element to form.
+ *
+ * @param CRM_Core_Form $form
*/
public static function add(&$form) {
$error = NULL;