code: public static function findPublishedById($intId, array $arrOptions=array())
  	{
  		$t = static::$strTable;
  		$arrColumns = array("$t.id=?");
  
  		if (!static::isPreviewMode($arrOptions))
  		{
  			$time = Date::floorToMinute();
  			$arrColumns[] = "($t.start='' OR $t.start<='$time') AND ($t.stop='' OR $t.stop>'" . ($time + 60) . "') AND $t.disable=''";
  		}
  
  		return static::findOneBy($arrColumns, $intId, $arrOptions);
  	}
docs: Find a published group by its ID
  
  @param integer $intId      The member group ID
  @param array   $arrOptions An optional options array
  
  @return MemberGroupModel|null The model or null if there is no member group