null, // class for

        'css_code' => null, // class for generic 
        'css_php'  => null, // class for PHP 
        'css_html' => null // class for HTML 
    );
    
    /**
    * 
    * Renders a token into text matching the requested format.
    * 
    * @access public
    * 
    * @param array $options The "options" portion of the token (second
    * element).
    * 
    * @return string The text rendered from the token options.
    * 
    */
    
    function token($options)
    {
        $text = $options['text'];
        $attr = $options['attr'];
        $type = strtolower($attr['type']);
        
        $css      = $this->formatConf(' class="%s"', 'css');
        $css_code = $this->formatConf(' class="%s"', 'css_code');
        $css_php  = $this->formatConf(' class="%s"', 'css_php');
        $css_html = $this->formatConf(' class="%s"', 'css_html');
        
        if ($type == 'php') {
            
            // PHP code example:
            // add the PHP tags
            $text = ""; // ... tags)
            ob_start();
            highlight_string($text);
            $text = ob_get_contents();
            ob_end_clean();
            
            // replace 
 tags with simple newlines.
            // replace non-breaking space with simple spaces.
            // translate HTML  and color to XHTML  and style.
            // courtesy of research by A. Kalin :-).
            $map = array(
                '
'  => "\n",
                ' '  => ' ',
                ' '' => '',
                'color="' => 'style="color:'
            );
            $text = strtr($text, $map);
           
            // get rid of the last newline inside the code block
            // (becuase higlight_string puts one there)
            if (substr($text, -8) == "\n") {
                $text = substr($text, 0, -8) . "";
            }
            
            // replace all  tags with classed tags
            if ($css_php) {
                $text = str_replace('', "", $text);
            }
            
            // done
            $text = "$text

";
        
        } elseif ($type == 'html' || $type == 'xhtml') {
        
            // HTML code example:
            // add  opening and closing tags,
            // convert tabs to four spaces,
            // convert entities.
            $text = str_replace("\t", "    ", $text);
            $text = "\n$text\n";
            $text = htmlentities($text);
            $text = "$text";
            
        } else {
            // generic code example:
            // convert tabs to four spaces,
            // convert entities.
            $text = str_replace("\t", "    ", $text);
            $text = htmlentities($text);
            $text = "$text

"; } return "\n$text\n\n"; } } ?>