/*
         * void count_users([ bool detailed]);
         *
         * Determine how many users are on the site
         * Detailed will create an array of user information including username
         *
         * TODO make detailed
        */
        
        var $guest_count;
        var $member_count;
        var    $user_count;        
        
        function session_count($detailed = false)
        {
            $sess_dir = opendir($this->session_path);
            
            $this->member_count    = (int) 0;
            $this->guest_count    = (int) 0;
            
            for ($i = 0; false !== ($sess = readdir($sess_dir)); $i++)
            {
                if (is_file($this->session_path.$this->dir_sep.$sess))
                {
                    $user[$i] = fopen($this->session_path.$this->dir_sep.$sess, 'r', 'b');
                    $line[$i] = fread($user[$i], 11);

                    if (stristr($line[$i], "1"))

                        $this->member_count++;

                    else

                        $this->guest_count++;

                    fclose($user[$i]);                    
                }
                                    
            }
            
            $this->user_count = $this->member_count + $this->guest_count;
            
        }