code: public function findBy($strColumn, $varValue)
  	{
  		if (parent::findBy($strColumn, $varValue) === false)
  		{
  			return false;
  		}
  
  		$this->arrGroups = $this->groups;
  
  		return true;
  	}
docs: Save the original group membership
  
  @param string $strColumn
  @param mixed  $varValue
  
  @return boolean