/**
  * 	@attempt to get IP address of current visitor from server
  * 	@access public
  * 	@return string
  */
 private function _save_session_to_db()
 {
     do_action('AHEE_log', __FILE__, __FUNCTION__, '');
     if (!EE_Registry::instance()->REQ instanceof EE_Request_Handler || !(EE_Registry::instance()->REQ->is_espresso_page() || EE_Registry::instance()->REQ->front_ajax)) {
         return FALSE;
     }
     // first serialize all of our session data
     $session_data = serialize($this->_session_data);
     // encrypt it if we are using encryption
     $session_data = $this->_use_encryption ? $this->encryption->encrypt($session_data) : $session_data;
     // we're using the Transient API for storing session data, cuz it's so damn simple -> set_transient(  transient ID, data, expiry )
     return set_transient('ee_ssn_' . $this->_sid, $session_data, $this->_lifespan) ? TRUE : FALSE;
 }
 /**
  * _save_session_to_db
  *
  * 	@access public
  * 	@return string
  */
 private function _save_session_to_db()
 {
     if (!EE_Registry::instance()->REQ instanceof EE_Request_Handler || !(EE_Registry::instance()->REQ->is_espresso_page() || EE_Registry::instance()->REQ->front_ajax)) {
         return FALSE;
     }
     // first serialize all of our session data
     $session_data = serialize($this->_session_data);
     // encrypt it if we are using encryption
     $session_data = $this->_use_encryption ? $this->encryption->encrypt($session_data) : $session_data;
     // maybe save hash check
     if (apply_filters('FHEE__EE_Session___perform_session_id_hash_check', WP_DEBUG)) {
         set_transient(EE_Session::hash_check_prefix . $this->_sid, md5($session_data), $this->_lifespan);
     }
     // we're using the Transient API for storing session data, cuz it's so damn simple -> set_transient(  transient ID, data, expiry )
     return set_transient(EE_Session::session_id_prefix . $this->_sid, $session_data, $this->_lifespan);
 }