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chamilo-lms
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[svn r13063] Added various changes to enable direct migration from 1.6 to 1.8.4 (yeepee!)

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skala
Yannick Warnier 17 years ago
parent a909830717
commit 276d10ee7f
2 changed files with 218 additions and 95 deletions
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  1. 212
      main/install/index.php
  2. 101
      main/install/install_functions.inc.php

212
main/install/index.php
Unescape View File

@ -3,7 +3,7 @@
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004 Dokeos S.A.
Copyright (c) 2004-2007 Dokeos S.A.
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Olivier Brouckaert
@ -45,7 +45,7 @@
*/
session_start();
// Including necessary files
require('../inc/installedVersion.inc.php');
@include('../inc/installedVersion.inc.php');
require('../inc/lib/main_api.lib.php');
require('../lang/english/trad4all.inc.php');
@ -76,7 +76,7 @@ if(in_array($install_language,$euro_langs))
header('Content-Type: text/html; charset='. $charset);
}
require_once('install_upgrade.lib.php');
require_once('install_upgrade.lib.php'); //also defines constants
require_once('install_functions.inc.php');
// Some constants
@ -93,8 +93,18 @@ error_reporting(E_COMPILE_ERROR | E_ERROR | E_CORE_ERROR);
// overriding the timelimit (for large campusses that have to be migrated)
@set_time_limit(0);
$update_from_version=array('1.8.3');
//upgrading from any subversion of 1.6 is just like upgrading from 1.6.5
$update_from_version_6=array('1.6','1.6.1','1.6.2','1.6.3','1.6.4','1.6.5');
//upgrading from any subversion of 1.8 avoids the additional step of upgrading from 1.6
$update_from_version_8=array('1.8','1.8.2','1.8.3');
$my_old_version = '';
if(!empty($_POST['old_version']))
{
$my_old_version = $_POST['old_version'];
}
$new_version = '1.8.4';
$new_version_stable = true;
/*
==============================================================================
STEP 1 : INITIALIZES FORM VARIABLES IF IT IS THE FIRST VISIT
@ -102,8 +112,13 @@ $update_from_version=array('1.8.3');
*/
$badUpdatePath=false;
$emptyUpdatePath=true;
$proposedUpdatePath = '';
if(!empty($_POST['updatePath']))
{
$proposedUpdatePath = $_POST['updatePath'];
}
if($_POST['step2_install'] || $_POST['step2_update'])
if($_POST['step2_install'] || $_POST['step2_update_8'] || $_POST['step2_update_6'])
{
if($_POST['step2_install'])
{
@ -114,23 +129,25 @@ if($_POST['step2_install'] || $_POST['step2_update'])
else
{
$installType='update';
if(empty($_POST['updatePath']))
{
$_POST['step1']=1;
}
else
if($_POST['step2_update_8'])
{
$emptyUpdatePath = false;
if(substr($_POST['updatePath'],-1) != '/')
if(empty($_POST['updatePath']))
{
$proposedUpdatePath = $_SERVER['DOCUMENT_ROOT'];
}
else
{
$_POST['updatePath'].='/';
$proposedUpdatePath = $_POST['updatePath'];
}
$_POST['step2']=1;
$badUpdatePath=false;
/* don't verify it to upgrade from 1.8.0 to 1.8.2
if(file_exists($_POST['updatePath']))
if(substr($proposedUpdatePath,-1) != '/')
{
if(in_array(get_config_param('dokeos_version'),$update_from_version))
$proposedUpdatePath.='/';
}
if(file_exists($proposedUpdatePath))
{
$my_old_version = get_config_param('dokeos_version',$proposedUpdatePath);
if(in_array($my_old_version,$update_from_version_8))
{
$_POST['step2']=1;
}
@ -142,7 +159,41 @@ if($_POST['step2_install'] || $_POST['step2_update'])
else
{
$badUpdatePath=true;
}*/
}
}
else //step2_update_6, presumably
{
if(empty($_POST['updatePath']))
{
$_POST['step1']=1;
}
else
{
$emptyUpdatePath = false;
if(substr($_POST['updatePath'],-1) != '/')
{
$_POST['updatePath'].='/';
}
if(file_exists($_POST['updatePath']))
{
//1.6.x
$my_old_version = get_config_param('clarolineVersion',$_POST['updatePath']);
if(in_array($my_old_version,$update_from_version_6))
{
$_POST['step2']=1;
$proposedUpdatePath = $_POST['updatePath'];
}
else
{
$badUpdatePath=true;
}
}
else
{
$badUpdatePath=true;
}
}
}
}
}
@ -159,11 +210,12 @@ else
$updateFromConfigFile=$_GET['updateFromConfigFile'];
}
/* 1.8.x
if($installType=='update')
{
include_once('../inc/conf/configuration.php');
}
*/
if(!isset($_GET['running']))
{
$dbHostForm='localhost';
@ -245,20 +297,17 @@ else
}
}
// The Steps
$total_steps=7;
if (!$_POST)
{
$current_step=1;
}
elseif (!empty($_POST['language_list']) or !empty($_POST['step1']) or (!empty($_POST['step2_update']) && ($emptyUpdatePath or $badUpdatePath)))
elseif (!empty($_POST['language_list']) or !empty($_POST['step1']) or ((!empty($_POST['step2_update_8']) or (!empty($_POST['step2_update_6']))) && ($emptyUpdatePath or $badUpdatePath)))
{
$current_step=2;
}
elseif (!empty($_POST['step2']) or !empty($_POST['step2_update']))
elseif (!empty($_POST['step2']) or (!empty($_POST['step2_update_8']) or (!empty($_POST['step2_update_6'])) ))
{
$current_step=3;
}
@ -283,7 +332,7 @@ elseif (!empty($_POST['step5']))
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>&mdash; <?php echo get_lang('DokeosInstallation').' &mdash; '.get_lang('Version_').' '.$dokeos_version; ?></title>
<title>&mdash; <?php echo get_lang('DokeosInstallation').' &mdash; '.get_lang('Version_').' '.$new_version; ?></title>
<style type="text/css" media="screen, projection">
/*<![CDATA[*/
@import "../css/default/default.css";
@ -297,7 +346,7 @@ elseif (!empty($_POST['step5']))
<div id="header">
<div id="header1"><?php echo get_lang('DokeosInstallation').' &mdash; '.get_lang('Version_').' '.$dokeos_version; ?><?php if($installType == 'new') echo ' &ndash; '.get_lang('NewInstallation'); else if($installType == 'update') echo ' &ndash; '.get_lang('UpdateFromDokeosVersion').implode('|',$update_from_version); ?></div>
<div id="header1"><?php echo get_lang('DokeosInstallation').' &mdash; '.get_lang('Version_').' '.$new_version; ?><?php if($installType == 'new') echo ' &ndash; '.get_lang('NewInstallation'); else if($installType == 'update') echo ' &ndash; '.get_lang('UpdateFromDokeosVersion').implode('|',$update_from_version); ?></div>
<div class="clear"></div>
<div id="header2">&nbsp;</div>
<div id="header3">&nbsp;</div>
@ -322,7 +371,7 @@ elseif (!empty($_POST['step5']))
<table cellpadding="6" cellspacing="0" border="0" width="80%" align="center">
<tr>
<td>
<input type="hidden" name="updatePath" value="<?php if(!$badUpdatePath) echo htmlentities($_POST['updatePath']); ?>" />
<input type="hidden" name="updatePath" value="<?php if(!$badUpdatePath) echo htmlentities($proposedUpdatePath); ?>" />
<input type="hidden" name="urlAppendPath" value="<?php echo htmlentities($urlAppendPath); ?>" />
<input type="hidden" name="pathForm" value="<?php echo htmlentities($pathForm); ?>" />
<input type="hidden" name="urlForm" value="<?php echo htmlentities($urlForm); ?>" />
@ -354,6 +403,8 @@ elseif (!empty($_POST['step5']))
<input type="hidden" name="userMailCanBeEmpty" value="<?php echo htmlentities($userMailCanBeEmpty); ?>" />
<input type="hidden" name="encryptPassForm" value="<?php echo htmlentities($encryptPassForm); ?>" />
<input type="hidden" name="session_lifetime" value="<?php echo htmlentities($session_lifetime); ?>" />
<input type="hidden" name="old_version" value="<?php echo htmlentities($my_old_version); ?>" />
<input type="hidden" name="new_version" value="<?php echo htmlentities($new_version); ?>" />
@ -393,10 +444,24 @@ elseif($_POST['step4'])
if(!empty($tmp)) $institutionForm = $tmp;
$tmp = get_config_param_from_db($dbHostForm,$dbUsernameForm,$dbPassForm,$db_name,'InstitutionUrl');
if(!empty($tmp)) $institutionUrlForm = $tmp;
$urlForm = $_configuration['root_web'];
$encryptPassForm = get_config_param('userPasswordCrypted');
$allowSelfReg = get_config_param('allowSelfReg');
$allowSelfRegProf = get_config_param('allowSelfRegProf');
if(in_array($my_old_version,$update_from_version_6))
{ //for version 1.6
$urlForm = get_config_param('rootWeb');
$encryptPassForm = get_config_param('userPasswordCrypted');
$allowSelfReg = get_config_param('allowSelfReg');
$allowSelfRegProf = get_config_param('allowSelfRegProf');
}
else
{ //for version 1.8
$urlForm = $_configuration['root_web'];
$encryptPassForm = get_config_param('userPasswordCrypted');
$allowSelfReg = false;
$tmp = get_config_param_from_db($dbHostForm,$dbUsernameForm,$dbPassForm,$db_name,'allow_registration');
if(!empty($tmp)) $allowSelfReg = $tmp;
$allowSelfRegProf = false;
$tmp = get_config_param_from_db($dbHostForm,$dbUsernameForm,$dbPassForm,$db_name,'allow_registration_as_teacher');
if(!empty($tmp)) $allowSelfRegProf = $tmp;
}
}
display_configuration_settings_form($installType, $urlForm, $languageForm, $emailForm, $adminFirstName, $adminLastName, $adminPhoneForm, $campusForm, $institutionForm, $institutionUrlForm, $encryptPassForm, $allowSelfReg, $allowSelfRegProf, $loginForm, $passForm);
}
@ -408,18 +473,18 @@ elseif($_POST['step5'])
<h2><?php echo display_step_sequence().get_lang('LastCheck'); ?></h2>
<?php echo get_lang('HereAreTheValuesYouEntered');?>
<br/>
<br />
<b><?php echo get_lang('PrintThisPageToRememberPassAndOthers');?></b>
<blockquote>
<?php echo get_lang('MainLang').' : '.$languageForm; ?><br/><br/>
<?php echo get_lang('MainLang').' : '.$languageForm; ?><br /><br />
<?php echo get_lang('DBHost').' : '.$dbHostForm; ?><br/>
<?php echo get_lang('DBLogin').' : '.$dbUsernameForm; ?><br/>
<?php echo get_lang('DBPassword').' : '.$dbPassForm; ?><br/>
<?php if(!empty($dbPrefixForm)) echo get_lang('DbPrefixForm').' : '.$dbPrefixForm.'<br/>'; ?>
<?php echo get_lang('MainDB').' : <b>'.$dbNameForm; ?></b><?php if($installType == 'new') echo ' (<font color="#cc0033">'.get_lang('ReadWarningBelow').'</font>)'; ?><br/>
<?php echo get_lang('DBHost').' : '.$dbHostForm; ?><br />
<?php echo get_lang('DBLogin').' : '.$dbUsernameForm; ?><br />
<?php echo get_lang('DBPassword').' : '.$dbPassForm; ?><br />
<?php if(!empty($dbPrefixForm)) echo get_lang('DbPrefixForm').' : '.$dbPrefixForm.'<br />'; ?>
<?php echo get_lang('MainDB').' : <b>'.$dbNameForm; ?></b><?php if($installType == 'new') echo ' (<font color="#cc0033">'.get_lang('ReadWarningBelow').'</font>)'; ?><br />
<?php
if(!$singleDbForm)
{
@ -429,14 +494,14 @@ elseif($_POST['step5'])
echo ' (<font color="#cc0033">'.get_lang('ReadWarningBelow').'</font>)';
}
echo '<br />';
echo get_lang('ScormDB').' : <b>'.$dbScormForm.'</b>';
if($installType == 'new')
{
echo ' (<font color="#cc0033">'.get_lang('ReadWarningBelow').'</font>)';
}
echo '<br />';
echo get_lang('UserDB').' : <b>'.$dbUserForm.'</b>';
if($installType == 'new')
{
@ -445,35 +510,35 @@ elseif($_POST['step5'])
echo '<br />';
}
?>
<?php echo get_lang('EnableTracking').' : '.($enableTrackingForm?$langYes:$langNo); ?><br/>
<?php echo get_lang('SingleDb').' : '.($singleDbForm?$langOne:$langSeveral); ?><br/><br/>
<?php echo get_lang('EnableTracking').' : '.($enableTrackingForm?$langYes:$langNo); ?><br />
<?php echo get_lang('SingleDb').' : '.($singleDbForm?$langOne:$langSeveral); ?><br /><br />
<?php echo get_lang('AllowSelfReg').' : '.($allowSelfReg?$langYes:$langNo); ?><br/>
<?php echo get_lang('EncryptUserPass').' : '.($encryptPassForm?$langYes:$langNo); ?><br/><br/>
<?php echo get_lang('AllowSelfReg').' : '.($allowSelfReg?$langYes:$langNo); ?><br />
<?php echo get_lang('EncryptUserPass').' : '.($encryptPassForm?$langYes:$langNo); ?><br /><br/>
<?php echo get_lang('AdminEmail').' : '.$emailForm; ?><br/>
<?php echo get_lang('AdminLastName').' : '.$adminLastName; ?><br/>
<?php echo get_lang('AdminFirstName').' : '.$adminFirstName; ?><br/>
<?php echo get_lang('AdminPhone').' : '.$adminPhoneForm; ?><br/>
<?php echo get_lang('AdminEmail').' : '.$emailForm; ?><br />
<?php echo get_lang('AdminLastName').' : '.$adminLastName; ?><br />
<?php echo get_lang('AdminFirstName').' : '.$adminFirstName; ?><br />
<?php echo get_lang('AdminPhone').' : '.$adminPhoneForm; ?><br />
<?php if($installType == 'new'): ?>
<?php echo get_lang('AdminLogin').' : <b>'.$loginForm; ?></b><br/>
<?php echo get_lang('AdminPass').' : <b>'.$passForm; ?></b><br/><br/>
<?php echo get_lang('AdminLogin').' : <b>'.$loginForm; ?></b><br />
<?php echo get_lang('AdminPass').' : <b>'.$passForm; ?></b><br /><br />
<?php else: ?>
<br/>
<br />
<?php endif; ?>
<?php echo get_lang('CampusName').' : '.$campusForm; ?><br/>
<?php echo get_lang('InstituteShortName').' : '.$institutionForm; ?><br/>
<?php echo get_lang('InstituteURL').' : '.$institutionUrlForm; ?><br/>
<?php echo get_lang('DokeosURL').' : '.$urlForm; ?><br/>
<?php echo get_lang('CampusName').' : '.$campusForm; ?><br />
<?php echo get_lang('InstituteShortName').' : '.$institutionForm; ?><br />
<?php echo get_lang('InstituteURL').' : '.$institutionUrlForm; ?><br />
<?php echo get_lang('DokeosURL').' : '.$urlForm; ?><br />
</blockquote>
<?php if($installType == 'new'): ?>
<div style="background-color:#FFFFFF">
<p align="center"><b><font color="red">
<?php echo get_lang('Warning');?> !<br/>
<?php echo get_lang('Warning');?> !<br />
<?php echo get_lang('TheInstallScriptWillEraseAllTables');?>
</font></b></p>
</div>
@ -493,10 +558,34 @@ elseif($_POST['step6'])
//STEP 6 : INSTALLATION PROCESS
if($installType == 'update')
{
if(empty($my_old_version)){$my_old_version='1.8.3';} //we guess
$_configuration['main_database'] = $dbNameForm;
//$urlAppendPath = get_config_param('urlAppend');
include('update-db-1.8.3-1.8.4.inc.php');
//include('update-files-1.8.0-1.8.2.inc.php');
switch($my_old_version)
{
case '1.6':
case '1.6.0':
case '1.6.1':
case '1.6.2':
case '1.6.3':
case '1.6.4':
case '1.6.5':
include('update-db-1.6.x-1.8.0.inc.php');
include('update-files-1.6.x-1.8.0.inc.php');
//intentionally no break to continue processing
case '1.8':
case '1.8.0':
include('update-db-1.8.0-1.8.2.inc.php');
//intentionally no break to continue processing
case '1.8.2':
include('update-db-1.8.2-1.8.3.inc.php');
//intentionally no break to continue processing
case '1.8.3':
default:
include('update-db-1.8.3-1.8.4.inc.php');
include('update-files-1.8.3-1.8.4.inc.php');
break;
}
}
else
{
@ -508,9 +597,10 @@ elseif($_POST['step6'])
}
elseif($_POST['step1'] || $badUpdatePath)
{
//STEP 1 : REQUIREMENTS
display_requirements($installType, $badUpdatePath, $update_from_version);
//make sure that proposed path is set, shouldn't be necessary but...
if(empty($proposedUpdatePath)){$proposedUpdatePath = $_POST['updatePath'];}
display_requirements($installType, $badUpdatePath, $proposedUpdatePath, $update_from_version_8, $update_from_version_6);
}
else
{
@ -528,7 +618,7 @@ else
</form>
<br style="clear:both;" />
<div id="footer">
<div class="copyright"><?php echo get_lang('Platform');?> <a href="http://www.dokeos.com"> Dokeos <?php echo $dokeos_version ?></a> &copy; <?php echo date('Y'); ?> </div>
<div class="copyright"><?php echo get_lang('Platform');?> <a href="http://www.dokeos.com"> Dokeos <?php echo $new_version ?></a> &copy; <?php echo date('Y'); ?> </div>
&nbsp;
</div>
</body>

101
main/install/install_functions.inc.php
Unescape View File

@ -137,13 +137,23 @@ function file_to_array($filename)
* and $configFile, and also changes these globals. This can be rewritten.
*
* @param string $param the parameter of which the value is returned
* @param string If we want to give the path rather than take it from POST
* @return string the value of the parameter
* @author Olivier Brouckaert
*/
function get_config_param($param)
function get_config_param($param,$updatePath='')
{
global $configFile, $updateFromConfigFile;
$updatePath = realpath($_POST['updatePath']).'/';
//look if we already have the queried param
if(is_array($configFile) && isset($configFile[$param]))
{
return $configFile[$param];
}
if(empty($updatePath) && !empty($_POST['updatePath']))
{
$updatePath = $_POST['updatePath'];
}
$updatePath = realpath($updatePath).'/';
$updateFromInstalledVersionFile = '';
if(empty($updateFromConfigFile)) //if update from previous install was requested
@ -153,6 +163,10 @@ function get_config_param($param)
{
$updateFromConfigFile='main/inc/conf/configuration.php';
}
elseif(file_exists($updatePath.'claroline/inc/conf/claro_main.conf.php'))
{
$updateFromConfigFile='claroline/inc/conf/claro_main.conf.php';
}
//give up recovering
else
{
@ -164,22 +178,20 @@ function get_config_param($param)
{
$updateFromInstalledVersionFile = $updatePath.'main/inc/installedVersion.inc.php';
}
//look if we already have the queried param
if(is_array($configFile) && isset($configFile[$param]))
{
return $configFile[$param];
}
//the param was not found in global vars, so look into the old config file
elseif(file_exists($updatePath.$updateFromConfigFile))
{
$configFile=array();
$temp=file_to_array($updatePath.$updateFromConfigFile);
$val='';
//make sure the installedVersion file is read first so it is overwritten
//by the config file if the config file contains the version (from 1.8.4)
$temp2 = array();
if(file_exists($updatePath.$updateFromInstalledVersionFile))
{
$temp2 = file_to_array($updatePath.$updateFromInstalledVersionFile);
$temp = array_merge($temp,$temp2);
}
}
$configFile=array();
$temp=file_to_array($updatePath.$updateFromConfigFile);
$temp = array_merge($temp,$temp2);
$val='';
//parse the config file (TODO clarify why it has to be so complicated)
foreach($temp as $enreg)
@ -352,14 +364,16 @@ function display_language_selection()
/**
* This function displays the requirements for installing Dokeos.
*
* @param unknown_type $installType
* @param unknown_type $badUpdatePath
* @param unknown_type $update_from_version
* @param string $installType
* @param boolean $badUpdatePath
* @param string The updatePath given (if given)
* @param array $update_from_version_8 The different subversions from version 1.8
* @param array $update_from_version_6 The different subversions from version 1.6
*
* @author unknow
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*/
function display_requirements($installType, $badUpdatePath, $update_from_version)
function display_requirements($installType, $badUpdatePath, $updatePath='', $update_from_version_8=array(), $update_from_version_6=array())
{
echo '<h2>'.display_step_sequence().get_lang('Requirements')."</h2>\n";
@ -525,13 +539,13 @@ function display_requirements($installType, $badUpdatePath, $update_from_version
echo ' </div>';
echo '</div>';
if($installType == 'update' && (empty($_POST['updatePath']) || $badUpdatePath))
if($installType == 'update' && (empty($updatePath) || $badUpdatePath))
{
if($badUpdatePath)
{ ?>
<div style="color:red; background-color:white; font-weight:bold; text-align:center;">
<?php echo get_lang('Error');?>!<br />
Dokeos <?php echo implode('|',$update_from_version).get_lang('HasNotBeenFoundInThatDir'); ?>.
Dokeos <?php echo (isset($_POST['step2_update_6'])?implode('|',$update_from_version_6):implode('|',$update_from_version_8)).' '.get_lang('HasNotBeenFoundInThatDir'); ?>.
</div>
<?php }
else
@ -542,12 +556,12 @@ function display_requirements($installType, $badUpdatePath, $update_from_version
<table border="0" cellpadding="5" align="center">
<tr>
<td><?php echo get_lang('OldVersionRootPath');?>:</td>
<td><input type="text" name="updatePath" size="50" value="<?php echo $badUpdatePath?htmlentities($_POST['updatePath']):$_SERVER['DOCUMENT_ROOT'].'/old_version/'; ?>" /></td>
<td><input type="text" name="updatePath" size="50" value="<?php echo ($badUpdatePath && !empty($updatePath))?htmlentities($updatePath):$_SERVER['DOCUMENT_ROOT'].'/old_version/'; ?>" /></td>
</tr>
<tr>
<td colspan="2" align="center">
<input type="submit" name="step1" value="&lt; <?php echo get_lang('Back');?>" />
<input type="submit" name="step2_update" value="<?php echo get_lang('Next');?> &gt;" />
<input type="submit" name="<?php echo (isset($_POST['step2_update_6'])?'step2_update_6':'step2_update_8');?>" value="<?php echo get_lang('Next');?> &gt;" />
</td>
</tr>
</table>
@ -638,13 +652,16 @@ function display_requirements($installType, $badUpdatePath, $update_from_version
<?php
//real code
echo '<input type="submit" name="step2_update" value="Upgrade from Dokeos ' . implode(', ',$update_from_version) . '"';
echo '<input type="submit" name="step2_update_8" value="Upgrade from Dokeos ' . implode(', ',$update_from_version_8) . '"';
if($error) echo ' disabled="disabled"';
//temporary code for alpha version, disabling upgrade
//echo '<input type="submit" name="step2_update" value="Upgrading is not possible in this beta version"';
//echo ' disabled="disabled"';
//end temp code
echo ' />';
echo '<input type="submit" name="step2_update_6" value="Upgrade from Dokeos ' . implode(', ',$update_from_version_6) . '"';
if($error) echo ' disabled="disabled"';
echo ' />';
echo '</p>';
}
}
@ -712,19 +729,35 @@ function display_database_settings_form($installType, $dbHostForm, $dbUsernameFo
{
if($installType == 'update')
{
global $_configuration;
$dbHostForm=$_configuration['db_host'];
$dbUsernameForm=$_configuration['db_user'];
$dbPassForm=$_configuration['db_password'];
$dbPrefixForm=$_configuration['db_prefix'];
$enableTrackingForm=$_configuration['tracking_enabled'];
$singleDbForm=$_configuration['single_database'];
$dbNameForm=$_configuration['main_database'];
$dbStatsForm=$_configuration['statistics_database'];
$dbScormForm=$_configuration['scorm_database'];
$dbUserForm=$_configuration['user_personal_database'];
$dbScormExists=true;
global $_configuration, $update_from_version_6;
if(in_array($_POST['old_version'],$update_from_version_6))
{
$dbHostForm=get_config_param('dbHost');
$dbUsernameForm=get_config_param('dbLogin');
$dbPassForm=get_config_param('dbPass');
$dbPrefixForm=get_config_param('dbNamePrefix');
$enableTrackingForm=get_config_param('is_trackingEnabled');
$singleDbForm=get_config_param('singleDbEnabled');
$dbNameForm=get_config_param('mainDbName');
$dbStatsForm=get_config_param('statsDbName');
$dbScormForm=get_config_param('scormDbName');
$dbScormExists=true;
}
else
{
$dbHostForm=$_configuration['db_host'];
$dbUsernameForm=$_configuration['db_user'];
$dbPassForm=$_configuration['db_password'];
$dbPrefixForm=$_configuration['db_prefix'];
$enableTrackingForm=$_configuration['tracking_enabled'];
$singleDbForm=$_configuration['single_database'];
$dbNameForm=$_configuration['main_database'];
$dbStatsForm=$_configuration['statistics_database'];
$dbScormForm=$_configuration['scorm_database'];
$dbUserForm=$_configuration['user_personal_database'];
$dbScormExists=true;
}
if(empty($dbScormForm))
{

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