vars4.1.0.php

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<?php

/*
 * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
 * Copyright (C) 2002-2007 The Nucleus Group
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * (see nucleus/documentation/index.html#license for more info)
 */
// Remove $_COOKIE keys in $_REQUEST
// This is for maintaining the compatibility with PHP 4.0.6
// and also for avoiding bugs of plugins due to cookie keys
if (isset($_REQUEST) and isset($_COOKIE)) {
        foreach($_COOKIE as $key=>$value) {
                if (isset($_REQUEST[$key])) unset($_REQUEST[$key]);
        }
}

function getVar($name) {
        if (!isset($_GET[$name])) {
                return;
        }

        return undoMagic($_GET[$name]);
}

function postVar($name) {
        if (!isset($_POST[$name])) {
                return;
        }

        return undoMagic($_POST[$name]);
}

function cookieVar($name) {
        if (!isset($_COOKIE[$name])) {
                return;
        }

        return undoMagic($_COOKIE[$name]);
}

function requestVar($name) {
        if(array_key_exists($name,$_REQUEST))
                return undoMagic($_REQUEST[$name]);
        elseif( array_key_exists($name,$_GET))
                return undoMagic($_GET[$name]);
        elseif( array_key_exists($name,$_POST))
                return undoMagic($_POST[$name]);
        else
                return;
}

function serverVar($name) {
        if (!isset($_SERVER[$name])) {
                return false;
        }

        return $_SERVER[$name];
}

// removes magic quotes if that option is enabled
function undoMagic($data) {
        if (!get_magic_quotes_gpc())
                return $data;
        if (ini_get('magic_quotes_sybase') != 1)
                return stripslashes_array($data);
        else
                return undoSybaseQuotes_array($data);
}

function stripslashes_array($data) {
        return is_array($data) ? array_map('stripslashes_array', $data) : stripslashes($data);
}

function undoSybaseQuotes_array($data) {
        return is_array($data) ? array_map('undoSybaseQuotes', $data) : stripslashes($data);
}

function undoSybaseQuotes($data) {
        return str_replace("''", "'", $data);
}

// integer array from request
function requestIntArray($name) {
        if (!isset($_REQUEST[$name])) {
                return;
        }

        return $_REQUEST[$name];
}

// array from request. Be sure to call undoMagic on the strings inside
function requestArray($name) {
        if (!isset($_REQUEST[$name])) {
                return;
        }

        return $_REQUEST[$name];
}

// add all the variables from the request as hidden input field
// @see globalfunctions.php#passVar
function passRequestVars() {
        foreach ($_REQUEST as $key => $value) {
                if (($key == 'action') && ($value != requestVar('nextaction')))
                        $key = 'nextaction';

                // a nextaction of 'showlogin' makes no sense
                if (($key == 'nextaction') && ($value == 'showlogin'))
                        continue;

                if (($key != 'login') && ($key != 'password'))
                        passVar($key, $value);
        }
}

function postFileInfo($name) {
        if (!isset($_FILES[$name])) {
                return;
        }

        return $_FILES[$name];
}

function setOldAction($value) {
        $_POST['oldaction'] = $value;
}


?>

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