/**
  * Get experiments in project
  * @param $projectId
  * @return array|null
  */
 public static function get_experiments_in_project($projectId)
 {
     $experiments = array();
     try {
         $experiments = Airavata::getExperimentsInProject(Session::get('authz-token'), $projectId, -1, 0);
     } catch (InvalidRequestException $ire) {
         CommonUtilities::print_error_message('InvalidRequestException!<br><br>' . $ire->getMessage());
     } catch (AiravataClientException $ace) {
         CommonUtilities::print_error_message('AiravataClientException!<br><br>' . $ace->getMessage());
     } catch (AiravataSystemException $ase) {
         CommonUtilities::print_error_message('AiravataSystemException!<br><br>' . $ase->getMessage());
     } catch (TTransportException $tte) {
         CommonUtilities::print_error_message('TTransportException!<br><br>' . $tte->getMessage());
     }
     return $experiments;
 }