<?php

global $_registry;

class Registry {

    var $registry;
    function Registry() {
        $this->registry = array();
    }

    function &get_registry() {
        global $_registry;
        if(!$_registry) {
           
            $_registry =& new Registry();
        }
        return $_registry;
    }


    function add($param, &$obj) {
        global $_registry;
        $_registry ->registry[$param] =& $obj;
    }

    function &get($param) {
        global $_registry;
        if(isset($_registry->registry[$param])) {
            return $_registry->registry[$param];
        }
        trigger_error("$param not found in Registry", E_USER_WARNING);
        return FALSE;
    }

}

?>