public function addFilterHandler($filterName, $filterHandlerName, $priority = 50)
    {
        $this->addHandler(self::FILTER, $filterName, $filterHandlerName, $priority);
    }
public function addFilterHandler($filterName, $filterHandlerName, $priority = 50)
    {
        $this->addHandler(self::FILTER, $filterName, $filterHandlerName, $priority);
    }
public function addFilterHandler ( $ filterName , $ filterHandlerName , $ priority = 50 ) { $ this -> addHandler ( self :: FILTER , $ filterName , $ filterHandlerName , $ priority ) ; }
Adds an filter handler

@access public
@param string $filterName
@param string $filterHandlerName
@param integer $priority
Adds an filter handler