/**
  * Format memberships' data
  * 
  * @param array $memberships_data memberships' data
  * @return array
  */
 public function formatMemberships($memberships_data, $langs_ids = null)
 {
     $user_memberships_ids = array();
     foreach ($memberships_data as $membership_data) {
         $user_memberships_ids[$membership_data['id']] = $membership_data['id_membership'];
     }
     if (!empty($user_memberships_ids)) {
         $memberships = parent::formatMemberships(parent::getMembershipsList(array('ids' => $user_memberships_ids)), $langs_ids);
         $temp = array();
         foreach ($memberships as $membership) {
             $temp[$membership['id']] = $membership;
         }
         foreach ($memberships_data as $key => $membership_data) {
             if (!empty($temp[$membership_data['id_membership']])) {
                 $memberships_data[$key]['membership_info'] = $temp[$membership_data['id_membership']];
                 $memberships_data[$key]['left_str'] = $this->left($memberships_data[$key]);
             } elseif (!empty($membership_data['membership'])) {
                 $memberships_data[$key]['membership_info'] = (array) unserialize($membership_data['membership']);
                 $memberships_data[$key]['left_str'] = $this->left($memberships_data[$key]);
             } else {
                 $memberships_data[$key]['membership_info'] = array();
             }
         }
         $user_memberships_services = array();
         $param['where_in']['id_users_membership'] = array_keys($user_memberships_ids);
         $this->CI->load->model('services/models/Services_users_model');
         $services = $this->CI->Services_users_model->get_services_list($param);
         foreach ($services as $ums) {
             if (!isset($user_memberships_services[$ums['id']])) {
                 $user_memberships_services[$ums['id']] = array('services_array' => array(), 'services_list' => array());
             }
             $ums['name'] = $ums['service']['name'];
             $user_memberships_services[$ums['id_users_membership']]['services_array'][$ums['id']]['is_active'] = 1;
             $user_memberships_services[$ums['id_users_membership']]['services_list'][$ums['id']] = $ums;
         }
         foreach ($memberships_data as $key => $membership_data) {
             if (isset($user_memberships_services[$membership_data['id']])) {
                 $memberships_data[$key]['membership_info'] = array_merge($memberships_data[$key]['membership_info'], $user_memberships_services[$membership_data['id']]);
             }
         }
     }
     return $memberships_data;
 }