code: protected function setUserFromDb()
  	{
  		$this->intId = $this->id;
  
  		// Unserialize values
  		foreach ($this->arrData as $k=>$v)
  		{
  			if (!is_numeric($v))
  			{
  				$this->$k = StringUtil::deserialize($v);
  			}
  		}
  
  		$GLOBALS['TL_USERNAME'] = $this->username;
  
  		// Make sure that groups is an array
  		if (!\is_array($this->groups))
  		{
  			$this->groups = ($this->groups != '') ? array($this->groups) : array();
  		}
  
  		// Skip inactive groups
  		if (($objGroups = MemberGroupModel::findAllActive()) !== null)
  		{
  			$this->groups = array_intersect($this->groups, $objGroups->fetchEach('id'));
  		}
  
  		// Get the group login page
  		if ($this->groups[0] > 0)
  		{
  			$objGroup = MemberGroupModel::findPublishedById($this->groups[0]);
  
  			if ($objGroup !== null && $objGroup->redirect && $objGroup->jumpTo)
  			{
  				$this->strLoginPage = $objGroup->jumpTo;
  			}
  		}
  	}
docs: Set all user properties from a database record