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216 lines
9.0 KiB
216 lines
9.0 KiB
<?php // $Id: import_backup.php 20448 2009-05-10 10:17:22Z ivantcholakov $
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004-2008 Dokeos SPRL
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Copyright (c) 2003 Ghent University (UGent)
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Copyright (c) 2001 Universite catholique de Louvain (UCL)
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Copyright (c) Bart Mollet (bart.mollet@hogent.be)
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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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
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
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Mail: info@dokeos.com
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==============================================================================
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*/
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/**
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* ==============================================================================
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* Import a backup.
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*
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* @author Bart Mollet <bart.mollet@hogent.be>
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* @package dokeos.backup
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* ==============================================================================
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*/
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/*
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==============================================================================
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INIT SECTION
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==============================================================================
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*/
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// name of the language file that needs to be included
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$language_file = array('coursebackup','admin');
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// including the global file
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include ('../inc/global.inc.php');
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// Check access rights (only teachers are allowed here)
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if( ! api_is_allowed_to_edit())
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{
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api_not_allowed(true);
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}
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//remove memory and time limits as much as possible as this might be a long process...
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if(function_exists('ini_set'))
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{
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ini_set('memory_limit','256M');
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ini_set('max_execution_time',1800);
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}
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// section for the tabs
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$this_section=SECTION_COURSES;
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// breadcrumbs
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$interbreadcrumb[] = array ("url" => "../course_info/maintenance.php", "name" => get_lang('Maintenance'));
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// Displaying the header
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$nameTools = get_lang('ImportBackup');
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Display::display_header($nameTools);
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// include additional libraries
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include_once(api_get_path(LIBRARY_PATH) . 'fileManage.lib.php');
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require_once('classes/CourseBuilder.class.php');
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require_once('classes/CourseArchiver.class.php');
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require_once('classes/CourseRestorer.class.php');
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require_once('classes/CourseSelectForm.class.php');
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// Display the tool title
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api_display_tool_title($nameTools);
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/*
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==============================================================================
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MAIN CODE
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==============================================================================
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*/
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if((isset($_POST['action']) && $_POST['action'] == 'course_select_form' ) || (isset($_POST['import_option']) && $_POST['import_option'] == 'full_backup' )) {
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$error=false;
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if (isset($_POST['action']) && $_POST['action'] == 'course_select_form') {
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// partial backup here we recover the documents posted
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$course = CourseSelectForm::get_posted_course();
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} else {
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if( $_POST['backup_type'] == 'server') {
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$filename = $_POST['backup_server'];
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$delete_file = false;
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} else {
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if($_FILES['backup']['error']==0){
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$filename = CourseArchiver::import_uploaded_file($_FILES['backup']['tmp_name']);
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if ($filename === false) {
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$error = true;
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} else {
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$delete_file = true;
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}
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} else {
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$error=true;
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}
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}
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if(!$error) {
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// full backup
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$course = CourseArchiver::read_course($filename,$delete_file);
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}
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}
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if(!$error && $course->has_resources()) {
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$cr = new CourseRestorer($course);
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$cr->set_file_option($_POST['same_file_name_option']);
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$cr->restore();
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Display::display_normal_message(get_lang('ImportFinished').
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//'<a class="bottom-link" href="../course_home/course_home.php?'.api_get_cidreq().'">>> '.get_lang('CourseHomepage').'</a>',false); // This is not the preferable way to go to the course homepage.
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'<a class="bottom-link" href="'.api_get_path(WEB_COURSE_PATH).api_get_course_path().'/index.php"><< '.get_lang('CourseHomepage').'</a>',false);
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} else {
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if(!$error){
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Display::display_warning_message(get_lang('NoResourcesInBackupFile').
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'<a class="bottom-link" href="import_backup.php?'.api_get_cidreq().'"><< '.get_lang('TryAgain').'</a>',false);
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} elseif ($filename === false) {
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Display::display_error_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin').
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'<a class="bottom-link" href="import_backup.php?'.api_get_cidreq().'"><< '.get_lang('TryAgain').'</a>',false);
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} else {
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Display::display_error_message(api_ucfirst(get_lang('UploadError')).
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'<a class="bottom-link" href="import_backup.php?'.api_get_cidreq().'"><< '.get_lang('TryAgain').'</a>',false);
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}
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}
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CourseArchiver::clean_backup_dir();
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} elseif (isset($_POST['import_option']) && $_POST['import_option'] == 'select_items') {
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if( $_POST['backup_type'] == 'server') {
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$filename = $_POST['backup_server'];
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$delete_file = false;
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} else {
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$filename = CourseArchiver::import_uploaded_file($_FILES['backup']['tmp_name']);
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$delete_file = true;
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}
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$course = CourseArchiver::read_course($filename,$delete_file);
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if ($course->has_resources() && ($filename !== false)) {
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CourseSelectForm::display_form($course,array('same_file_name_option'=>$_POST['same_file_name_option']));
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} elseif ($filename === false) {
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Display::display_error_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin').
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'<a class="bottom-link" href="import_backup.php?'.api_get_cidreq().'"><< '.get_lang('TryAgain').'</a>',false);
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} else {
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Display::display_warning_message(get_lang('NoResourcesInBackupFile').
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'<a class="bottom-link" href="import_backup.php?'.api_get_cidreq().'"><< '.get_lang('TryAgain').'</a>',false);
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}
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} else {
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$user = api_get_user_info();
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$backups = CourseArchiver::get_available_backups($is_platformAdmin?null:$user['user_id']);
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$backups_available = (count($backups)>0);
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echo get_lang('SelectBackupFile').'<br /><br />';
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include (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
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$form = new FormValidator('import_backup_form','POST','import_backup.php', '','multipart/form-data');
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$renderer = $form->defaultRenderer();
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$renderer->setElementTemplate('<div>{element}</div> ');
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$form->addElement('hidden','action', 'restore_backup');
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$form->addElement('radio', 'backup_type', '', get_lang('LocalFile'), 'local', 'id="bt_local" class="checkbox" onclick="javascript:document.import_backup_form.backup_server.disabled=true;document.import_backup_form.backup.disabled=false;"');
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$form->addElement('file', 'backup', '', 'style="margin-left: 50px;"');
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$form->addElement('html', '<br />');
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if( $backups_available ){
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$form->addElement('radio', 'backup_type', '', get_lang('ServerFile'), 'server', 'id="bt_server" class="checkbox" onclick="javascript:document.import_backup_form.backup_server.disabled=false;document.import_backup_form.backup.disabled=true;"');
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$options['null'] = '-';
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foreach($backups as $index => $backup)
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{
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$options[$backup['file']]= $backup['course_code'].' ('.$backup['date'];
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}
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$form->addElement('select', 'backup_server', '', $options, 'style="margin-left: 50px;"');
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$form->addElement('html','<script type="text/javascript">document.import_backup_form.backup_server.disabled=true;</script>');
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}
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else
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{
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$form->addElement('radio', '', '', '<i>'.get_lang('NoBackupsAvailable').'</i>', '', 'disabled="true"');
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}
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$form->addElement('html', '<br /><br />');
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$form->addElement('radio', 'import_option', '', get_lang('ImportFullBackup'), 'full_backup', 'id="import_option_1" class="checkbox"');
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$form->addElement('radio', 'import_option', '', get_lang('LetMeSelectItems'), 'select_items', 'id="import_option_2" class="checkbox"');
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$form->addElement('html', '<br /><br />');
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$form->addElement('html', get_lang('SameFilename'));
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$form->addElement('html', '<br /><br />');
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$form->addElement('radio', 'same_file_name_option', '', get_lang('SameFilenameSkip'), FILE_SKIP, 'id="same_file_name_option_1" class="checkbox"');
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$form->addElement('radio', 'same_file_name_option', '', get_lang('SameFilenameRename'), FILE_RENAME, 'id="same_file_name_option_2" class="checkbox"');
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$form->addElement('radio', 'same_file_name_option', '', get_lang('SameFilenameOverwrite'), FILE_OVERWRITE, 'id="same_file_name_option_3" class="checkbox"');
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$form->addElement('html', '<br />');
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$form->addElement('style_submit_button', null, get_lang('ImportBackup'), 'class="save"');
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$values['backup_type'] = 'local';
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$values['import_option'] = 'full_backup';
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$values['same_file_name_option'] = FILE_OVERWRITE;
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$form->setDefaults($values);
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$form->add_progress_bar();
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$form->display();
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}
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/*
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==============================================================================
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FOOTER
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==============================================================================
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*/
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Display::display_footer();
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?>
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