gistfile1.php

<?php
    /* Emulate register_globals behavior:
     *
     * @see http://php.net/manual/en/ini.core.php#ini.variables-order
     *
     * If variables_order is set to "EGPCS", and both $_GET['action'] and
     * $_POST['action'] are set, then $action will contain the value of
     * $_POST['action'] as P comes after G in our example directive value.
     *
     * @param bool $include_session Whether to register session variables or not.
     * @return void
     */
    function emulate_register_globals($include_session = false)
    {
        $variables_order = strtolower(ini_get('variables_order'));
        $translation = array(
            'e' => $_ENV,
            'g' => $_GET,
            'p' => $_POST,
            'c' => $_COOKIE,
            's' => $_SERVER
        );

        foreach (range(0, strlen($variables_order) - 1) as $i) {
            $char = $variables_order[$i];
            $arr = isset($translation[$char]) ? $translation[$char] : array();

            foreach($arr as $key => $value) {
                $GLOBALS[$key] = $value;
            }
        }

        if ($include_session) {

            if (!session_id()) {
                session_start();
            }

            foreach ($_SESSION as $key => $value) {
                $GLOBALS[$key] = $value;
            }
        }
    }