install/upgrade.php
author Dan
Thu, 24 Jan 2008 22:14:40 -0500
changeset 375 8d0e3a5a6990
parent 354 979d99a0b00e
child 377 bb3e6c3bd4f4
permissions -rw-r--r--
[minor] Trying to be a little more careful with values from users_extra in validate_session()
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<?php
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/*
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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 * Version 1.1.1
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 * Copyright (C) 2006-2007 Dan Fuhry
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 * Installation package
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 * upgrade.php - Upgrade interface
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 */
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define('IN_ENANO', 1);
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require_once('includes/common.php');
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@ini_set('display_errors', 'on');
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$ui = new Enano_Installer_UI('Enano upgrader', false);
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if ( version_compare(PHP_VERSION, '5.0.0', '<') )
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{
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  $ui->__construct('Enano upgrader', false);
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}
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$ui->add_stage('Welcome', true);
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$ui->add_stage('Select version', true);
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$ui->add_stage('Perform upgrade', true);
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$ui->add_stage('Finish', true);
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$stg_php4 = $ui->add_stage('PHP4 compatibility notice', false);
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if ( version_compare(PHP_VERSION, '5.0.0', '<') || isset($_GET['debug_warn_php4']) )
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{
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  $ui->set_visible_stage($stg_php4);
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  $ui->step = '';
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  $ui->show_header();
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  // This isn't localized because all localization code is dependent on
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  // PHP 5 (loading lang.php will throw a parser error under PHP4). This
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  // one message probably doesn't need to be localized anyway.
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  ?>
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  <h2 class="heading-error">
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    Your server doesn't have support for PHP 5.
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  </h2>
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  <p>
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    PHP 5 is the latest version of the language on which Enano was built. Its many new features have been available since early 2004, yet
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    many web hosts have not migrated to it because of the work involved. In 2007, Zend Corporation announced that support for the aging
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    PHP 4.x would be discontinued at the end of the year. An initiative called <a href="http://gophp5.org/">GoPHP5</a> was started to
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    encourage web hosts to migrate to PHP 5.
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  </p>
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  <p>
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    Because of the industry's decision to not support PHP 4 any longer, the Enano team decided that it was time to begin using the powerful
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    features of PHP 5 at the expense of PHP 4 compatibility. Therefore, this version of Enano cannot be installed on your server until it
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    is upgraded to at least PHP 5.0.0, and preferably the latest available version.
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    <!-- No, not even removing the check in this installer script will help. As soon as the PHP4 check is passed, the installer shows the
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         language selection page, after which the language code is loaded. The language code and libjson2 will trigger parse errors under
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         PHP <5.0.0. -->
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  </p>
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  <p>
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    If you need to use Enano but can't upgrade your PHP because you're on a shared or reseller hosting service, you can use the
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    <a href="http://enanocms.org/download?series=1.0">1.0.x series of Enano</a> on your site. While the Enano team attempts to make this
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    older series work on PHP 4, official support is not provided for installations of Enano on PHP 4.
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  </p>
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  <?php
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  $ui->show_footer();
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  exit(0);
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}
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$ui->show_header();
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$ui->show_footer();
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