/**
* Returns a reference to the DB object for instance $instanceName, or the default
* instance if one is not specified
*
* @param string $instanceName optional, name of the instance
* @return object DBManager instance
*/
public static function getInstance($instanceName = '')
{
global $sugar_config, $dbinstances;
static $count, $old_count;
$instanceName = 'db';
$config = $sugar_config['dbconfig'];
if (!isset($dbinstances)) {
$dbinstances = array();
}
//fall back to the default instance name
if (empty($sugar_config['db'][$instanceName])) {
$instanceName = '';
}
if (!isset($dbinstances[$instanceName])) {
$my_db_manager = 'MysqlManager';
if ($config['db_type'] == "mysql") {
if ((!isset($sugar_config['mysqli_disabled']) || $sugar_config['mysqli_disabled'] == false) && function_exists('mysqli_connect')) {
$my_db_manager = 'MysqliManager';
}
}
if ($config['db_type'] == "oci8") {
} elseif ($config['db_type'] == "mssql") {
if (function_exists('sqlsrv_connect') && (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'sqlsrv')) {
$my_db_manager = 'SqlsrvManager';
} elseif (is_freetds() && (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'freetds')) {
$my_db_manager = 'FreeTDSManager';
} else {
$my_db_manager = 'MssqlManager';
}
}
if (isset($GLOBALS['log'])) {
$GLOBALS['log']->info("using {$my_db_manager} DBManager backend");
}
if (!empty($config['db_manager'])) {
$my_db_manager = $config['db_manager'];
}
require_once "include/database/{$my_db_manager}.php";
$dbinstances[$instanceName] = new $my_db_manager();
$dbinstances[$instanceName]->getHelper();
$dbinstances[$instanceName]->connect($config, true);
$dbinstances[$instanceName]->count_id = $count;
$dbinstances[$instanceName]->references = 0;
$dbinstances[$instanceName]->getHelper()->db = $dbinstances[$instanceName];
} else {
$old_count++;
$dbinstances[$instanceName]->references = $old_count;
}
return $dbinstances[$instanceName];
}
@UWrebuild();
ob_end_clean();
logThis('UWrebuild() done.', $path);
logThis('begin check default permissions .', $path);
checkConfigForPermissions();
logThis('end check default permissions .', $path);
logThis('begin check logger settings .', $path);
checkLoggerSettings();
logThis('begin check logger settings .', $path);
logThis('begin check resource settings .', $path);
checkResourceSettings();
logThis('begin check resource settings .', $path);
require "sugar_version.php";
require 'config.php';
global $sugar_config;
if ($origVersion < '550' && $sugar_config['dbconfig']['db_type'] == 'mssql' && !is_freetds()) {
convertImageToText('import_maps', 'content');
convertImageToText('import_maps', 'default_values');
}
if ($origVersion < '550' && $sugar_config['dbconfig']['db_type'] == 'mssql') {
dropColumnConstraintForMSSQL("outbound_email", "mail_smtpssl");
$GLOBALS['db']->query("ALTER TABLE outbound_email alter column mail_smtpssl int NULL");
}
// if
if ($ce_to_pro_ent || $origVersion < '550') {
if (!merge_passwordsetting($sugar_config, $sugar_version)) {
logThis('*** ERROR: could not write config.php! - upgrade will fail!', $path);
$errors[] = 'Could not write config.php!';
}
}
if ($destVersion == $origVersion) {
/**
* Returns this instance's DBHelper
*
* @return object DBHelper instance
*/
public function getHelper()
{
if (!$this->helper instanceof DBHelper) {
global $sugar_config;
switch ($sugar_config['dbconfig']['db_type']) {
case "mysql":
$my_db_helper = 'MysqlHelper';
if ((!isset($sugar_config['mysqli_disabled']) || $sugar_config['mysqli_disabled'] == false) && function_exists('mysqli_connect')) {
$my_db_helper = 'MysqliHelper';
}
break;
case "mssql":
if (function_exists('sqlsrv_connect') && (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'sqlsrv')) {
$my_db_helper = 'SqlsrvHelper';
} elseif (is_freetds() && (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'freetds')) {
$my_db_helper = 'FreeTDSHelper';
} else {
$my_db_helper = 'MssqlHelper';
}
break;
default:
$my_db_helper = 'MysqlHelper';
}
$GLOBALS['log']->info("using {$my_db_helper} DBHelper backend");
require_once "include/database/{$my_db_helper}.php";
$this->helper = new $my_db_helper();
$this->helper->db = $this;
}
return $this->helper;
}
function runCheck($install_script = false, $mod_strings)
{
installLog("Begin System Check Process *************");
if (!isset($install_script) || !$install_script) {
installLog("Error:: " . $mod_strings['ERR_NO_DIRECT_SCRIPT']);
die($mod_strings['ERR_NO_DIRECT_SCRIPT']);
}
if (!defined('SUGARCRM_MIN_MEM')) {
define('SUGARCRM_MIN_MEM', 40);
}
// for keeping track of whether to enable/disable the 'Next' button
$error_found = false;
$error_txt = '';
//
// Check to see if session variables are working properly
//
if (empty($_SESSION['test_session'])) {
$_SESSION['test_session'] = 'sessions are available';
session_write_close();
unset($_SESSION['test_session']);
session_start();
}
if (!isset($_SESSION['test_session'])) {
installLog("ERROR:: " . $mod_strings['LBL_CHECKSYS_NO_SESSIONS']);
die("<p><b><span class='error'>{$mod_strings['LBL_CHECKSYS_NO_SESSIONS']}</span></b></p>\n");
}
// check IIS and FastCGI
$server_software = $_SERVER["SERVER_SOFTWARE"];
if (strpos($server_software, 'Microsoft-IIS') !== false) {
$iis_version = '';
if (preg_match_all("/^.*\\/(\\d+\\.?\\d*)\$/", $server_software, $out)) {
$iis_version = $out[1][0];
}
$check_iis_version_result = check_iis_version($iis_version);
if ($check_iis_version_result == -1) {
installLog($mod_strings['ERR_CHECKSYS_IIS_INVALID_VER'] . ' ' . $iis_version);
$iisVersion = "<b><span class=stop>{$mod_strings['ERR_CHECKSYS_IIS_INVALID_VER']} {$iis_version}</span></b>";
$error_found = true;
$error_txt .= '
<tr>
<td><b>' . $mod_strings['LBL_CHECKSYS_IISVER'] . '</b></td>
<td ><span class="error">' . $iisVersion . '</span></td>
</tr>';
} else {
if (php_sapi_name() != 'cgi-fcgi') {
installLog($mod_strings['ERR_CHECKSYS_FASTCGI'] . ' ' . $iis_version);
$iisVersion = "<b><span class=stop>{$mod_strings['ERR_CHECKSYS_FASTCGI']}</span></b>";
$error_found = true;
$error_txt .= '
<tr>
<td><b>' . $mod_strings['LBL_CHECKSYS_FASTCGI'] . '</b></td>
<td ><span class="error">' . $iisVersion . '</span></td>
</tr>';
}
}
}
// PHP VERSION
$php_version = constant('PHP_VERSION');
$check_php_version_result = check_php_version($php_version);
if ($check_php_version_result == -1) {
installLog($mod_strings['ERR_CHECKSYS_PHP_INVALID_VER'] . ' ' . $php_version);
$phpVersion = "<b><span class=stop>{$mod_strings['ERR_CHECKSYS_PHP_INVALID_VER']} {$php_version} )</span></b>";
$error_found = true;
$error_txt .= '
<tr>
<td><b>' . $mod_strings['LBL_CHECKSYS_PHPVER'] . '</b></td>
<td ><span class="error">' . $phpVersion . '</span></td>
</tr>';
}
//Php Backward compatibility checks
if (ini_get("zend.ze1_compatibility_mode")) {
installLog($mod_strings['LBL_BACKWARD_COMPATIBILITY_ON'] . ' ' . 'Php Backward Compatibility');
$phpCompatibility = "<b><span class=stop>{$mod_strings['LBL_BACKWARD_COMPATIBILITY_ON']}</span></b>";
$error_found = true;
$error_txt .= '
<tr>
<td><b>Php Backward Compatibility</b></td>
<td ><span class="error">' . $phpCompatibility . '</span></td>
</tr>';
}
// database and connect
if (!empty($_REQUEST['setup_db_type'])) {
$_SESSION['setup_db_type'] = $_REQUEST['setup_db_type'];
}
$mssqlStatus = '';
$dbVersion = '';
$supported_dbs = array("mysql_connect", "mysqli_connect", "mssql_connect", "sqlsrv_connect");
$db_support_exists = false;
foreach ($supported_dbs as $dbfunct) {
if (function_exists($dbfunct)) {
// Added to check if we are using the freetds driver vs the php_mssql one; don't allow new installs
// with the php_mssql driver
if ($dbfunct == 'mssql_connect' && !is_freetds()) {
continue;
}
$db_support_exists = true;
installLog("Found at least one supported DB Type");
break;
}
}
if (!$db_support_exists) {
$db_name = $mod_strings['LBL_DB_UNAVAILABLE'];
installLog("ERROR:: {$mod_strings['LBL_CHECKSYS_DB_SUPPORT_NOT_AVAILABLE']}");
$dbStatus = "<b><span class=stop>{$mod_strings['LBL_CHECKSYS_DB_SUPPORT_NOT_AVAILABLE']}</span></b>";
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $db_name . '</strong></td>
<td class="error">' . $dbStatus . '</td>
</tr>';
}
// XML Parsing
if (!function_exists('xml_parser_create')) {
$xmlStatus = "<b><span class=stop>{$mod_strings['LBL_CHECKSYS_XML_NOT_AVAILABLE']}</span></b>";
installLog("ERROR:: {$mod_strings['LBL_CHECKSYS_XML_NOT_AVAILABLE']}");
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_XML'] . '</strong></td>
<td class="error">' . $xmlStatus . '</td>
</tr>';
} else {
installLog("XML Parsing Support Found");
}
// mbstrings
if (!function_exists('mb_strlen')) {
$mbstringStatus = "<b><span class=stop>{$mod_strings['ERR_CHECKSYS_MBSTRING']}</font></b>";
installLog("ERROR:: {$mod_strings['ERR_CHECKSYS_MBSTRING']}");
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_MBSTRING'] . '</strong></td>
<td class="error">' . $mbstringStatus . '</td>
</tr>';
} else {
installLog("MBString Support Found");
}
// config.php
if (file_exists('./config.php') && (!make_writable('./config.php') || !is_writable('./config.php'))) {
installLog("ERROR:: {$mod_strings['ERR_CHECKSYS_CONFIG_NOT_WRITABLE']}");
$configStatus = "<b><span class='stop'>{$mod_strings['ERR_CHECKSYS_CONFIG_NOT_WRITABLE']}</span></b>";
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_CONFIG'] . '</strong></td>
<td class="error">' . $configStatus . '</td>
</tr>';
}
// session save dir
if (ini_get('session.save_handler') == 'files') {
$session_save_path = session_save_path();
if (strpos($session_save_path, ";") !== FALSE) {
$session_save_path = substr($session_save_path, strpos($session_save_path, ";") + 1);
}
if (is_dir($session_save_path)) {
if (is_writable($session_save_path)) {
installLog("Session Save Path is " . $session_save_path);
} else {
$save_pathStatus = "<b><span class='stop'>{$mod_strings['ERR_CHECKSYS_SESSION_SAVE_PATH_NOT_WRITABLE']}</font></b>";
installLog("ERROR:: {$mod_strings['ERR_CHECKSYS_SESSION_SAVE_PATH_NOT_WRITABLE']}");
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_SESSION_SAVE_PATH'] . '</strong></td>
<td class="error">' . $save_pathStatus . '</td>
</tr>';
}
} else {
$save_pathStatus = "<b><span class='stop'>{$mod_strings['ERR_CHECKSYS_SESSION_SAVE_PATH_NOT_SET']}</font></b>";
installLog("ERROR:: {$mod_strings['ERR_CHECKSYS_SESSION_SAVE_PATH_NOT_SET']}");
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_SESSION_SAVE_PATH'] . '</strong></td>
<td class="error">' . $save_pathStatus . '</td>
</tr>';
}
}
// custom dir
if (!make_writable('./custom')) {
$customStatus = "<b><span class='stop'>{$mod_strings['ERR_CHECKSYS_CUSTOM_NOT_WRITABLE']}</font></b>";
installLog("ERROR:: {$mod_strings['ERR_CHECKSYS_CUSTOM_NOT_WRITABLE']}");
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_CUSTOM'] . '</strong></td>
<td class="error">' . $customStatus . '</td>
</tr>';
} else {
installLog("/custom directory and subdirectory check passed");
}
// data dir
if (!make_writable('./data') || !make_writable('./data/upload')) {
$dataStatus = "<b><span class='stop'>{$mod_strings['ERR_CHECKSYS_FILES_NOT_WRITABLE']}</span></b>";
installLog("ERROR:: {$mod_strings['ERR_CHECKSYS_FILES_NOT_WRITABLE']}");
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_DATA'] . '</strong></td>
<td class="error">' . $dataStatus . '</td>
</tr><tr>
<td colspan="2">
<b>' . $mod_strings['LBL_CHECKSYS_FIX_FILES'] . '</b>';
if (!make_writable('./data')) {
$error_txt .= '<br>' . getcwd() . '/data';
}
if (!make_writable('./data/upload')) {
$error_txt .= '<br>' . getcwd() . '/data/upload';
}
$error_txt .= '</td>
</tr>';
} else {
installLog("/data/upoad directory and subdirectory check passed");
}
// cache dir
$cache_files[] = '/cache';
$cache_files[] = '/cache/images';
$cache_files[] = '/cache/import';
$cache_files[] = '/cache/layout';
$cache_files[] = '/cache/pdf';
$cache_files[] = '/cache/upload';
$cache_files[] = '/cache/xml';
$filelist = '';
foreach ($cache_files as $c_file) {
$dirname = "." . $c_file;
$ok = false;
if (is_dir($dirname) || @sugar_mkdir($dirname, 0555)) {
$ok = make_writable($dirname);
}
if (!$ok) {
$filelist .= '<br>' . getcwd() . $c_file;
}
}
if (strlen($filelist) > 0) {
$error_found = true;
installLog("ERROR:: Some subdirectories in cache subfolder were not read/writeable:");
installLog($filelist);
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_CACHE'] . '</strong></td>
<td align="right" class="error" class="error"><b><span class="stop">' . $mod_strings['ERR_CHECKSYS_FILES_NOT_WRITABLE'] . '</span></b></td>
</tr>
<tr>
<td colspan="2"><b>' . $mod_strings['LBL_CHECKSYS_FIX_FILES'] . '</b>' . $filelist . '</td>
</tr>';
} else {
installLog("/cache directory and subdirectory check passed");
}
// check modules dir
$_SESSION['unwriteable_module_files'] = array();
//if(!$writeableFiles['ret_val']) {
$passed_write = recursive_make_writable('./modules');
if (isset($_SESSION['unwriteable_module_files']['failed']) && $_SESSION['unwriteable_module_files']['failed']) {
$passed_write = false;
}
if (!$passed_write) {
$moduleStatus = "<b><span class='stop'>{$mod_strings['ERR_CHECKSYS_NOT_WRITABLE']}</span></b>";
installLog("ERROR:: Module directories and the files under them are not writeable.");
$error_found = true;
$error_txt .= '
<tr>
<td><strong>' . $mod_strings['LBL_CHECKSYS_MODULE'] . '</strong></td>
<td align="right" class="error">' . $moduleStatus . '</td>
</tr>';
//list which module directories are not writeable, if there are less than 10
$error_txt .= '
<tr>
<td colspan="2">
<b>' . $mod_strings['LBL_CHECKSYS_FIX_MODULE_FILES'] . '</b>';
foreach ($_SESSION['unwriteable_module_files'] as $key => $file) {
if ($key != '.' && $key != 'failed') {
$error_txt .= '<br>' . $file;
}
}
$error_txt .= '
</td>
</tr>';
} else {
installLog("/module directory and subdirectory check passed");
}
// PHP.ini
$phpIniLocation = get_cfg_var("cfg_file_path");
installLog("php.ini location found. {$phpIniLocation}");
// disable form if error found
if ($error_found) {
installLog("Outputting HTML for System check");
installLog("Errors were found *************");
$disabled = $error_found ? 'disabled="disabled"' : '';
$help_url = get_help_button_url();
///////////////////////////////////////////////////////////////////////////////
//// BEGIN PAGE OUTPUT
$out = <<<EOQ
<table cellspacing="0" cellpadding="0" border="0" align="center" class="shell">
<tr>
<th width="400">{$mod_strings['LBL_CHECKSYS_TITLE']}</th>
<th width="200" height="30" style="text-align: right;"><a href="http://www.sugarcrm.com" target=
"_blank"><IMG src="include/images/sugarcrm_login.png" width="145" height="30" alt="SugarCRM" border="0"></a>
<br><a href="{$help_url}" target='_blank'>{$mod_strings['LBL_HELP']} </a>
</th>
</tr>
<tr>
<td colspan="2" width="600">
<p>{$mod_strings['ERR_CHECKSYS']}</p>
<table cellpadding="0" cellspacing="0" border="0" width="100%" class="StyleDottedHr">
<tr>
<th align="left">{$mod_strings['LBL_CHECKSYS_COMPONENT']}</th>
<th style="text-align: right;">{$mod_strings['LBL_CHECKSYS_STATUS']}</th>
</tr>
{$error_txt}
</table>
<div align="center" style="margin: 5px;">
<i>{$mod_strings['LBL_CHECKSYS_PHP_INI']}<br>{$phpIniLocation}</i>
</div>
</td>
</tr>
<tr>
<td align="right" colspan="2">
<hr>
<form action="install3.php" method="post" name="theForm" id="theForm">
<table cellspacing="0" cellpadding="0" border="0" class="stdTable">
<tr>
<td><input class="button" type="button" onclick="window.open('http://www.sugarcrm.com/forums/');" value="{$mod_strings['LBL_HELP']}" /></td>
<td>
<input class="button" type="button" name="Re-check" value="{$mod_strings['LBL_CHECKSYS_RECHECK']}" onclick="callSysCheck();" id="defaultFocus"/>
</td>
</tr>
</table>
</form>
</td>
</tr>
</table><br>
EOQ;
return $out;
} else {
installLog("Outputting HTML for System check");
installLog("No Errors were found *************");
return 'passed';
}
}
/**
* Returns this instance's DBHelper
*
* @return object DBHelper instance
*/
public function getHelper()
{
if (!$this->helper instanceof DBHelper) {
global $ts_config;
switch ($ts_config['dbconfig']['db_type']) {
case "mysql":
$my_db_helper = 'MysqlHelper';
if ((!isset($ts_config['mysqli_disabled']) || $ts_config['mysqli_disabled'] == false) && function_exists('mysqli_connect')) {
$my_db_helper = 'MysqliHelper';
}
break;
case "mssql":
if (is_freetds() && (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'freetds')) {
$my_db_helper = 'FreeTDSHelper';
} elseif (function_exists('mssql_connect') && (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'mssql')) {
$my_db_helper = 'MssqlHelper';
} else {
$my_db_helper = 'SqlsrvHelper';
}
break;
default:
$my_db_helper = 'MysqlHelper';
}
require_once "include/db/{$my_db_helper}.php";
$this->helper = new $my_db_helper();
}
return $this->helper;
}
<tr><td colspan="3" align="left">{$mod_strings['LBL_SYSOPTS_2']}</td></tr>
<tr>
<td> </td>
<td align="left">
<input type="radio" class="checkbox" name="setup_db_type" id="setup_db_type" value="mysql" {$mysql} onclick="document.getElementById('ociMsg').style.display='none'"/>{$mod_strings['LBL_MYSQL']}
EOQ;
//check to see if mysqli is enabled
if (function_exists('mysqli_connect')) {
$_SESSION['mysql_type'] = 'mysqli';
$out .= ' (MySQLi detected)<br>';
} else {
$out .= '<br>';
}
// Updated to check if we are using the freetds driver vs the php_mssql one; don't allow new installs
// with the php_mssql driver
if (function_exists('mssql_connect') && is_freetds() || function_exists('sqlsrv_connect')) {
$out .= <<<EOQ
\t\t<input type="radio" class="checkbox" name="setup_db_type" id="setup_db_type" value="mssql" {$mssql} onclick="document.getElementById('ociMsg').style.display='none'"/>{$mod_strings['LBL_MSSQL']}
EOQ;
}
//check to see if sqlsrv is enabled
if (function_exists('sqlsrv_connect')) {
$_SESSION['mssql_type'] = 'sqlsrv';
$out .= ' (Microsoft SQL Server Driver for PHP detected)<br>';
} else {
$out .= '<br>';
}
$out .= <<<EOQ
</td>
<td width='350'nowrap>
<div name="ociMsg" id="ociMsg" style="display:none">
/**
* @ticket 27781
*/
public function testGetInstanceMssqlForceSqlsrvSelection()
{
if ($GLOBALS['db']->dbType != 'mssql' || !function_exists('sqlsrv_connect')) {
$this->markTestSkipped('Only applies to SQL Server');
}
$GLOBALS['sugar_config']['db_mssql_force_driver'] = 'sqlsrv';
$db =& DBManagerFactory::getInstance();
if (is_freetds() && !function_exists('sqlsrv_connect')) {
$this->assertTrue($db instanceof FreeTDSManager, "Should return a FreeTDSManager object");
} elseif (function_exists('mssql_connect') && !function_exists('sqlsrv_connect')) {
$this->assertTrue($db instanceof MssqlManager, "Should return a MssqlManager object");
} else {
$this->assertTrue($db instanceof SqlsrvManager, "Should return a SqlsrvManager object");
}
}
if (isset($repairedTables[$tablename])) {
continue;
}
$fielddefs = $meta['fields'];
$indices = $meta['indices'];
$sql = $GLOBALS['db']->repairTableParams($tablename, $fielddefs, $indices, true);
logThis('Running sql:' . $sql, $path);
$repairedTables[$tablename] = true;
}
$dictionary = $olddictionary;
logThis('database repaired', $path);
$ce_to_pro_ent = isset($_SESSION['upgrade_from_flavor']) && ($_SESSION['upgrade_from_flavor'] == 'SugarCE to SugarPro' || $_SESSION['upgrade_from_flavor'] == 'SugarCE to SugarEnt');
if (isset($_SESSION['current_db_version']) && $_SESSION['current_db_version'] < '550') {
include "install/seed_data/Advanced_Password_SeedData.php";
}
if (isset($_SESSION['current_db_version']) && $_SESSION['current_db_version'] < '550' && $sugar_config['dbconfig']['db_type'] == 'mssql' && !is_freetds()) {
convertImageToText('import_maps', 'content');
convertImageToText('import_maps', 'default_values');
}
logThis(" Start Rebuilding the config file again", $path);
//check and set the logger before rebuilding config
if (!isset($sugar_config['logger'])) {
$sugar_config['logger'] = array('level' => 'fatal', 'file' => array('ext' => '.log', 'name' => 'sugarcrm', 'dateFormat' => '%c', 'maxSize' => '10MB', 'maxLogs' => 10, 'suffix' => '%m_%Y'));
}
if (!rebuildConfigFile($sugar_config, $sugar_version)) {
logThis('*** WARNING: could not write config.php!', $path);
}
logThis(" Finish Rebuilding the config file again", $path);
set_upgrade_progress('end', 'in_progress');
if (isset($_SESSION['current_db_version']) && isset($_SESSION['target_db_version'])) {
if ($_SESSION['current_db_version'] != $_SESSION['target_db_version']) {
