public function untag($tags)
    {
        $tags = $this->makeTagsArray($tags);

        foreach ($tags as $tag)
            $this->removeOneTag($tag);

        return $this;
    }
public function untag($tags)
    {
        $tags = $this->makeTagsArray($tags);

        foreach ($tags as $tag)
            $this->removeOneTag($tag);

        return $this;
    }
public function untag ( $ tags ) { $ tags = $ this -> makeTagsArray ( $ tags ) ; foreach ( $ tags as $ tag ) $ this -> removeOneTag ( $ tag ) ; return $ this ; }
Removes given tags from model

@param $tags
@return $this
Removes given tags from model