Multiple URL Suffix (SOLVED - UPDATED for CI 1.6.0)

Code:
&lt;?php

/**

 * Modified URI class to enable multiple URL suffixes,

 * and a function to retrieve which one is used.

 * Separate the suffixes with commas (,).

 */

class MY_URI extends CI_URI{

    /**

     * Remove the suffix from the URL if needed, if a suffix is found, save it in $this->url_suffix.

     *

     * @access    private

     * @return    void

     */    

    function _remove_url_suffix()

    {

        $this->url_suffix = '';

        if  ($this->config->item('url_suffix') != ""){

            // go through every suffix and see if they match

            $suffixes = explode(',',$this->config->item('url_suffix'));

            foreach($suffixes as $suffix){

                $suffix = trim($suffix);

                if(preg_match("|".preg_quote($suffix)."$|", $this->uri_string)){

                    // We have match, remove the suffix and save which one in $this->url_suffix

                    $this->uri_string = preg_replace("|".preg_quote($suffix)."$|", "", $this->uri_string);

                    $this->url_suffix = $suffix;

                    break;

                }

            }

        }

    }

    /**

     * Returns the URL suffix used for this request.

     * @return string

     */

    function get_extension(){

        return $this->url_suffix;

    }

}

?&gt;