/**
  * sets the admin list limit value
  */
 private static function set_list_limit()
 {
     $limit_value = self::get_admin_user_setting('list_limit', self::$options['list_limit']);
     if (isset($_REQUEST['list_limit']) && floatval($_REQUEST['list_limit']) > 0) {
         $limit_value = $_REQUEST['list_limit'];
     }
     self::$page_list_limit = $limit_value;
     self::set_admin_user_setting('list_limit', $limit_value);
 }
 /**
  * sets the admin list limit value
  */
 private static function set_list_limit()
 {
     $limit_value = self::get_admin_user_setting('list_limit', Participants_Db::plugin_setting('list_limit'));
     $input_limit = filter_input(INPUT_GET, 'list_limit', FILTER_VALIDATE_INT, array('options' => array('min_range' => 1)));
     if (empty($input_limit)) {
         $input_limit = filter_input(INPUT_POST, 'list_limit', FILTER_VALIDATE_INT, array('options' => array('min_range' => 1)));
     }
     if (!empty($input_limit)) {
         $limit_value = $input_limit;
     }
     self::$page_list_limit = $limit_value;
     self::set_admin_user_setting('list_limit', $limit_value);
 }