code: public static function addToUrl($strRequest, $blnIgnoreParams=false, $arrUnset=array())
  	{
  		return Frontend::addToUrl($strRequest, $blnIgnoreParams, $arrUnset);
  	}
docs: Point to `Frontend::addToUrl()` in front end templates (see #6736)
  
  @param string  $strRequest      The request string to be added
  @param boolean $blnIgnoreParams If true, the $_GET parameters will be ignored
  @param array   $arrUnset        An optional array of keys to unset
  
  @return string The new URI string