Extended Base Formatter

<?php
class Sedo_Demo_BbCode_Formatter_BaseFilter extends XenForo_BbCode_Formatter_Base
{
    protected $baseFilterAllowedTags = array();
    protected $baseFilterOriginalParentTags;
    protected $baseFilterInvisibleTags = false;

    public function setBaseFilterAllowedTags(array $tags)
    {
        $this->baseFilterAllowedTags = $tags;
        $this->_tags = $this->getTags();
    }

    public function setBaseFilterInvisible($value = false)
    {
        $this->baseFilterInvisibleTags = $value;
    }

    public function getTags()
    {
        $tags = parent::getTags();

        if($this->baseFilterOriginalParentTags !== null)
        {
            return $this->_baseFilterTags($this->baseFilterOriginalParentTags);
        }

        $this->baseFilterOriginalParentTags = $tags;
        return $this->_baseFilterTags($tags);
    }

    public function addCustomTags(array $tags)
    {
        $tags = $this->_baseFilterTags($tags);
        return parent::addCustomTags($tags);
    }

    protected function _baseFilterTags($tags)
    {
        //Raw Bb Code return
        if(!$this->baseFilterInvisibleTags)
        {
            return array_intersect_key($tags, array_flip($this->baseFilterAllowedTags));
        }

        //Customized Bb Code return
        foreach($tags as $bbCode => $data)
        {
            if(!in_array($bbCode, $this->baseFilterAllowedTags))
            {
                if(!isset($tags[$bbCode]['bb_code_mode']))
                {
                    //Normal Bb Code
                    if(isset($tags[$bbCode]['callback']))
                    {
                        unset($tags[$bbCode]['callback']);
                    }
                    $tags[$bbCode]['replace'] = array('', '');
                }
                else
                {
                    //Custom Bb Code
                    $tags[$bbCode]['bb_code_mode'] = 'replace';
                    $tags[$bbCode]['replace_html'] = '{text}';
                }
            }
        }

        return $tags;
    }
}
//Zend_Debug::dump($bbCodeFormatter);