/** * Register form key in session from cookie value * * @param Varien_Event_Observer $observer */ public function registerCachedFormKey(Varien_Event_Observer $observer) { if (!$this->isCacheEnabled()) { return; } /** @var $session Mage_Core_Model_Session */ $session = Mage::getSingleton('core/session'); $cachedFrontFormKey = Ves_Optimize_Model_Cookie::getFormKeyCookieValue(); if ($cachedFrontFormKey) { $session->setData('_form_key', $cachedFrontFormKey); } }