public function active()
    {
        $this->attributes['class'] = Builder::formatGroupClass(array('class' => $this->builder->conf('active_class')), $this->attributes);
        $this->isActive = true;

        return $this;
    }
public function active()
    {
        $this->attributes['class'] = Builder::formatGroupClass(array('class' => $this->builder->conf('active_class')), $this->attributes);
        $this->isActive = true;

        return $this;
    }
public function active ( ) { $ this -> attributes [ 'class' ] = Builder :: formatGroupClass ( array ( 'class' => $ this -> builder -> conf ( 'active_class' ) ) , $ this -> attributes ) ; $ this -> isActive = true ; return $ this ; }
Make the anchor active.

@return Link
Make the anchor active .