install/upgrade.php
author Dan
Thu, 06 Mar 2008 23:04:45 -0500
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parent 436 242353360e37
child 484 340c81fdd350
permissions -rw-r--r--
Added safety against re-defining constants in dbal
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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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// The list of versions in THIS BRANCH, in chronological order.
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$enano_versions = array('1.1.1', '1.1.2', '1.1.3');
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// Turn on every imaginable API hack to make common load on older databases
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define('IN_ENANO_UPGRADE', 1);
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define('IN_ENANO_MIGRATION', 1);
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define('ENANO_ALLOW_LOAD_NOLANG', 1);
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@ini_set('display_errors', 'on');
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require('includes/sql_parse.php');
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require_once('includes/common.php');
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// when the installer's common is loaded, it runs chdir() to the ENANO_ROOT, thus making this Enano's common.php
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require_once('includes/common.php');
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@ini_set('display_errors', 'on');
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$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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  $ui->__construct('Enano upgrader', false);
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}
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$stg_welcome = $ui->add_stage('Welcome', true);
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$stg_confirm = $ui->add_stage('Confirmation', true);
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$stg_upgrade = $ui->add_stage('Perform upgrade', true);
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$stg_finish  = $ui->add_stage('Finish', true);
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$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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// Version check
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if ( enano_version() == installer_enano_version() )
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{
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  $ui->show_header();
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  echo '<h3>Already upgraded</h3>' . '<p>You don\'t need to migrate, you\'re already on <del>crack</del> the 1.1 platform.</p>';
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  $ui->show_footer();
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  exit();
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}
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// Start session manager
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$session->start();
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    97
if ( !$session->user_logged_in || ( $session->user_logged_in && $session->auth_level < USER_LEVEL_ADMIN ) )
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diff changeset
    98
{
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
    99
  if ( isset($_POST['do_login']) )
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   100
  {
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   101
    if ( !$session->user_logged_in )
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   102
    {
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   103
      $result = $session->login_without_crypto($_POST['username'], $_POST['password'], false, USER_LEVEL_MEMBER);
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   104
    }
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   105
    $result = $session->login_without_crypto($_POST['username'], $_POST['password'], false, USER_LEVEL_ADMIN);
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   106
    if ( $result['success'] )
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   107
    {
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   108
      header('HTTP/1.1 302 Some kind of redirect with implied no content');
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   109
      header('Location: ' . scriptPath . '/install/' . $session->append_sid('upgrade.php'));
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   110
      exit();
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   111
    }
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   112
  }
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   113
  
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   114
  $ui->show_header();
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   115
  
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   116
  ?>
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   117
  <h3>Authentication needed</h3>
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   118
  <?php
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   119
  
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   120
  echo '<form action="upgrade.php" method="post">';
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diff changeset
   121
  
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   122
  if ( isset($result) )
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   123
  {
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   124
    echo '<b>Session manager returned error: ' . $result['error'] . '</b>';
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diff changeset
   125
  }
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   126
  
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   127
  ?>
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   128
  <p>You need an active admin session to continue.</p>
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   129
  <p>
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   130
    Username:&nbsp;&nbsp;&nbsp;<input type="text" name="username" /><br />
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   131
    Password:&nbsp;&nbsp;&nbsp;<input type="password" name="password" /><br />
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   132
    <input type="submit" name="do_login" value="Log in" />
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   133
  </p>
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   134
  <?php
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diff changeset
   135
  
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   136
  echo '</form>';
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   137
  
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   138
  $ui->show_footer();
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   139
  exit();
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diff changeset
   140
}
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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diff changeset
   141
411
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   142
if ( isset($_GET['stage']) && @$_GET['stage'] == 'pimpmyenano' )
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   143
{
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  $ui->set_visible_stage($stg_upgrade);
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   145
}
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diff changeset
   146
else
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   147
{
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   148
  $ui->set_visible_stage($stg_confirm);
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   149
}
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   150
377
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   151
// The real migration code
354
979d99a0b00e A few more installer tweaks / fixes. Initted upgrade script. Added migration schema from 1.0 to 1.1.
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   152
$ui->show_header();
377
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   153
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   154
if ( isset($_GET['stage']) && @$_GET['stage'] == 'pimpmyenano' )
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   155
{
411
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   156
  // Do we need to run the migration first?
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   157
  if ( substr(enano_version(), 0, 4) != '1.1.' )
377
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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   158
  {
411
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   159
    require(ENANO_ROOT . '/install/upgrade/migration/1.0-1.1.php');
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   160
    $result = MIGRATE();
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   161
    if ( !$result )
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    {
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      echo 'Migration failed, there should be an error message above.';
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      $ui->show_footer();
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      exit;
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    }
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  }
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  // Main upgrade stage
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  // Init vars
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  $version_flipped = array_flip($enano_versions);
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  $version_curr = enano_version();
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  $version_target = installer_enano_version();
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  // Calculate which scripts to run
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  if ( !isset($version_flipped[$version_curr]) )
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  {
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    echo '<p>ERROR: Unsupported version</p>';
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    $ui->show_footer();
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    exit;
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  }
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  if ( !isset($version_flipped[$version_target]) )
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  {
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    echo '<p>ERROR: Upgrader doesn\'t support its own version</p>';
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    $ui->show_footer();
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    exit;
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  }
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  $upg_queue = array();
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  for ( $i = $version_flipped[$version_curr]; $i < $version_flipped[$version_target]; $i++ )
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  {
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    if ( !isset($enano_versions[$i + 1]) )
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    {
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      echo '<p>ERROR: Unsupported intermediate version</p>';
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      $ui->show_footer();
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      exit;
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    }
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    $ver_this = $enano_versions[$i];
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    $ver_next = $enano_versions[$i + 1];
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    $upg_queue[] = array($ver_this, $ver_next);
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  }
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  // Verify that all upgrade scripts are usable
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  foreach ( $upg_queue as $verset )
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  {
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    $file = ENANO_ROOT . "/install/schemas/upgrade/{$verset[0]}-{$verset[1]}-$dbdriver.sql";
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    if ( !file_exists($file) )
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    {
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      echo "<p>ERROR: Couldn't find required schema file: $file</p>";
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      $ui->show_footer();
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      exit;
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    }
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  }
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  // Perform upgrade
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  foreach ( $upg_queue as $verset )
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  {
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    $file = ENANO_ROOT . "/install/schemas/upgrade/{$verset[0]}-{$verset[1]}-$dbdriver.sql";
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    try
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    {
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      $parser = new SQL_Parser($file);
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    }
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    catch(Exception $e)
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    {
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      die("<pre>$e</pre>");
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    }
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    $parser->assign_vars(array(
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      'TABLE_PREFIX' => table_prefix
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    ));
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    $sql_list = $parser->parse();
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    foreach ( $sql_list as $sql )
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    {
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      if ( !$db->sql_query($sql) )
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        $db->_die();
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    }
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    // Is there an additional script (logic) to be run after the schema?
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    $postscript = ENANO_ROOT . "/install/schemas/upgrade/{$verset[0]}-{$verset[1]}.php";
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    if ( file_exists($postscript) )
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      @include($postscript);
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    // The advantage of calling setConfig on the system version here?
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    // Simple. If the upgrade fails, it will pick up from the last
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    // version, not try to start again from the beginning. This will
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    // still cause errors in most cases though. Eventually we probably
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    // need some sort of query-numbering system that tracks in-progress
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    // upgrades.
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    setConfig('enano_version', $verset[1]);
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  }
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  echo '<p>All done!</p>';
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}
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else
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{
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   256
  ?>
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  <p>Nothing's really implemented for now except the actual migration code, which is not very smart. Just <a href="<?php echo $session->append_sid('upgrade.php?stage=pimpmyenano'); ?>">do the upgrade and get it over with</a>.</p>
bb3e6c3bd4f4 Removed stray debugging info from ACL editor success notification; added ability for guests to set language on URI (?lang=eng); added html_in_pages ACL type and separated from php_in_pages so HTML can be embedded but not PHP; rewote portions of the path manager to better abstract URL input; added Zend Framework into list of BSD-licensed libraries; localized some remaining strings; got the migration script working, but just barely; fixed display bug in Special:Contributions; localized Main Page button in admin panel
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  <?php
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}
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354
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$ui->show_footer();
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