<?php
// File name:	formreg.inc.php
// Description:	PHP subroutine to handle form registry
// Date:	2006-11-14
// Author:	imacat <imacat@pristine.com.tw>
// Copyright:	Copyright (C) 2004-2007 Pristine Communications

// Settings
$_FORMREG = array();

// register_form: Register a form
function register_form($form, $path)
{
    global $_FORMREG;
    // The counter
    static $n = 0;
    // Define the form
    if (!defined($form)) {
        // Find the next index that is not used
        while (array_key_exists($n, $_FORMREG)) {
            $n++;
        }
        define($form, $n);
    }
    $_FORMREG[$n] = $path;
    return;
}

// get_registered_form: Get a registered form
function get_registered_form($form)
{
    global $_FORMREG;
    return array_key_exists($form, $_FORMREG)?
        $_FORMREG[$form]: null;
}

?>