Пример #1
0
function dotclearUpgrade(&$core)
{
    $version = $core->getVersion('core');
    if ($version === null) {
        return false;
    }
    if (version_compare($version, DC_VERSION, '<') == 1) {
        try {
            if ($core->con->driver() == 'sqlite') {
                throw new Exception(__('SQLite Database Schema cannot be upgraded.'));
            }
            # Database upgrade
            $_s = new dbStruct($core->con, $core->prefix);
            require dirname(__FILE__) . '/db-schema.php';
            $si = new dbStruct($core->con, $core->prefix);
            $changes = $si->synchronize($_s);
            /* Some other upgrades
            			------------------------------------ */
            # Populate media_dir field (since 2.0-beta3.3)
            if (version_compare($version, '2.0-beta3.3', '<')) {
                $strReq = 'SELECT media_id, media_file FROM ' . $core->prefix . 'media ';
                $rs_m = $core->con->select($strReq);
                while ($rs_m->fetch()) {
                    $cur = $core->con->openCursor($core->prefix . 'media');
                    $cur->media_dir = dirname($rs_m->media_file);
                    $cur->update('WHERE media_id = ' . (int) $rs_m->media_id);
                }
            }
            if (version_compare($version, '2.0-beta7.3', '<')) {
                # Blowup becomes default theme
                $strReq = 'UPDATE ' . $core->prefix . 'setting ' . "SET setting_value = '%s' " . "WHERE setting_id = 'theme' " . "AND setting_value = '%s' " . 'AND blog_id IS NOT NULL ';
                $core->con->execute(sprintf($strReq, 'blueSilence', 'default'));
                $core->con->execute(sprintf($strReq, 'default', 'blowup'));
            }
            if (version_compare($version, '2.1-alpha2-r2383', '<')) {
                $schema = dbSchema::init($core->con);
                $schema->dropUnique($core->prefix . 'category', $core->prefix . 'uk_cat_title');
                # Reindex categories
                $rs = $core->con->select('SELECT cat_id, cat_title, blog_id ' . 'FROM ' . $core->prefix . 'category ' . 'ORDER BY blog_id ASC , cat_position ASC ');
                $cat_blog = $rs->blog_id;
                $i = 2;
                while ($rs->fetch()) {
                    if ($cat_blog != $rs->blog_id) {
                        $i = 2;
                    }
                    $core->con->execute('UPDATE ' . $core->prefix . 'category SET ' . 'cat_lft = ' . $i++ . ', cat_rgt = ' . $i++ . ' ' . 'WHERE cat_id = ' . (int) $rs->cat_id);
                    $cat_blog = $rs->blog_id;
                }
            }
            $core->setVersion('core', DC_VERSION);
            $core->blogDefaults();
            # Drop content from session table
            $core->con->execute('DELETE FROM ' . $core->prefix . 'session ');
            # Empty templates cache directory
            try {
                $core->emptyTemplatesCache();
            } catch (Exception $e) {
            }
            return $changes;
        } catch (Exception $e) {
            throw new Exception(__('Something went wrong with auto upgrade:') . ' ' . $e->getMessage());
        }
    }
    # No upgrade?
    return false;
}
Пример #2
0
# -- END LICENSE BLOCK -----------------------------------------
if (!defined('DC_CONTEXT_ADMIN')) {
    return;
}
$version = $core->plugins->moduleInfo('antispam', 'version');
if (version_compare($core->getVersion('antispam'), $version, '>=')) {
    return;
}
/* Database schema
-------------------------------------------------------- */
$s = new dbStruct($core->con, $core->prefix);
$s->spamrule->rule_id('bigint', 0, false)->blog_id('varchar', 32, true)->rule_type('varchar', 16, false, "'word'")->rule_content('varchar', 128, false)->primary('pk_spamrule', 'rule_id');
$s->spamrule->index('idx_spamrule_blog_id', 'btree', 'blog_id');
$s->spamrule->reference('fk_spamrule_blog', 'blog_id', 'blog', 'blog_id', 'cascade', 'cascade');
if ($s->driver() == 'pgsql') {
    $s->spamrule->index('idx_spamrule_blog_id_null', 'btree', '(blog_id IS NULL)');
}
# Schema installation
$si = new dbStruct($core->con, $core->prefix);
$changes = $si->synchronize($s);
# Creating default wordslist
if ($core->getVersion('antispam') === null) {
    $_o = new dcFilterWords($core);
    $_o->defaultWordsList();
    unset($_o);
}
$settings = new dcSettings($core, null);
$settings->addNamespace('antispam');
$settings->antispam->put('antispam_moderation_ttl', 0, 'integer', 'Antispam Moderation TTL (days)', false);
$core->setVersion('antispam', $version);
return true;
Пример #3
0
function dotclearUpgrade($core)
{
    $cleanup_sessions = false;
    // update it in a step that needed sessions to be removed
    $version = $core->getVersion('core');
    if ($version === null) {
        return false;
    }
    if (version_compare($version, DC_VERSION, '<') == 1 || strpos(DC_VERSION, 'dev')) {
        try {
            if ($core->con->driver() == 'sqlite') {
                return false;
                // Need to find a way to upgrade sqlite database
            }
            # Database upgrade
            $_s = new dbStruct($core->con, $core->prefix);
            require dirname(__FILE__) . '/db-schema.php';
            $si = new dbStruct($core->con, $core->prefix);
            $changes = $si->synchronize($_s);
            /* Some other upgrades
            			------------------------------------ */
            # Populate media_dir field (since 2.0-beta3.3)
            if (version_compare($version, '2.0-beta3.3', '<')) {
                $strReq = 'SELECT media_id, media_file FROM ' . $core->prefix . 'media ';
                $rs_m = $core->con->select($strReq);
                while ($rs_m->fetch()) {
                    $cur = $core->con->openCursor($core->prefix . 'media');
                    $cur->media_dir = dirname($rs_m->media_file);
                    $cur->update('WHERE media_id = ' . (int) $rs_m->media_id);
                }
            }
            if (version_compare($version, '2.0-beta7.3', '<')) {
                # Blowup becomes default theme
                $strReq = 'UPDATE ' . $core->prefix . 'setting ' . "SET setting_value = '%s' " . "WHERE setting_id = 'theme' " . "AND setting_value = '%s' " . 'AND blog_id IS NOT NULL ';
                $core->con->execute(sprintf($strReq, 'blueSilence', 'default'));
                $core->con->execute(sprintf($strReq, 'default', 'blowup'));
            }
            if (version_compare($version, '2.1-alpha2-r2383', '<')) {
                $schema = dbSchema::init($core->con);
                $schema->dropUnique($core->prefix . 'category', $core->prefix . 'uk_cat_title');
                # Reindex categories
                $rs = $core->con->select('SELECT cat_id, cat_title, blog_id ' . 'FROM ' . $core->prefix . 'category ' . 'ORDER BY blog_id ASC , cat_position ASC ');
                $cat_blog = $rs->blog_id;
                $i = 2;
                while ($rs->fetch()) {
                    if ($cat_blog != $rs->blog_id) {
                        $i = 2;
                    }
                    $core->con->execute('UPDATE ' . $core->prefix . 'category SET ' . 'cat_lft = ' . $i++ . ', cat_rgt = ' . $i++ . ' ' . 'WHERE cat_id = ' . (int) $rs->cat_id);
                    $cat_blog = $rs->blog_id;
                }
            }
            if (version_compare($version, '2.1.6', '<=')) {
                # ie7js has been upgraded
                $ie7files = array('ie7-base64.php ', 'ie7-content.htc', 'ie7-core.js', 'ie7-css2-selectors.js', 'ie7-css3-selectors.js', 'ie7-css-strict.js', 'ie7-dhtml.js', 'ie7-dynamic-attributes.js', 'ie7-fixed.js', 'ie7-graphics.js', 'ie7-html4.js', 'ie7-ie5.js', 'ie7-layout.js', 'ie7-load.htc', 'ie7-object.htc', 'ie7-overflow.js', 'ie7-quirks.js', 'ie7-server.css', 'ie7-standard-p.js', 'ie7-xml-extras.js');
                foreach ($ie7files as $f) {
                    @unlink(DC_ROOT . '/admin/js/ie7/' . $f);
                }
            }
            if (version_compare($version, '2.2-alpha1-r3043', '<')) {
                # metadata has been integrated to the core.
                $core->plugins->loadModules(DC_PLUGINS_ROOT);
                if ($core->plugins->moduleExists('metadata')) {
                    $core->plugins->deleteModule('metadata');
                }
                # Tags template class has been renamed
                $sqlstr = 'SELECT blog_id, setting_id, setting_value ' . 'FROM ' . $core->prefix . 'setting ' . 'WHERE (setting_id = \'widgets_nav\' OR setting_id = \'widgets_extra\') ' . 'AND setting_ns = \'widgets\';';
                $rs = $core->con->select($sqlstr);
                while ($rs->fetch()) {
                    $widgetsettings = base64_decode($rs->setting_value);
                    $widgetsettings = str_replace('s:11:"tplMetadata"', 's:7:"tplTags"', $widgetsettings);
                    $cur = $core->con->openCursor($core->prefix . 'setting');
                    $cur->setting_value = base64_encode($widgetsettings);
                    $sqlstr = 'WHERE setting_id = \'' . $rs->setting_id . '\' AND setting_ns = \'widgets\' ' . 'AND blog_id ' . ($rs->blog_id == NULL ? 'is NULL' : '= \'' . $core->con->escape($rs->blog_id) . '\'');
                    $cur->update($sqlstr);
                }
            }
            if (version_compare($version, '2.3', '<')) {
                # Add global favorites
                $init_fav = array();
                $init_fav['new_post'] = array('new_post', 'New entry', 'post.php', 'images/menu/edit.png', 'images/menu/edit-b.png', 'usage,contentadmin', null, null);
                $init_fav['newpage'] = array('newpage', 'New page', 'plugin.php?p=pages&amp;act=page', 'index.php?pf=pages/icon-np.png', 'index.php?pf=pages/icon-np-big.png', 'contentadmin,pages', null, null);
                $init_fav['media'] = array('media', 'Media manager', 'media.php', 'images/menu/media.png', 'images/menu/media-b.png', 'media,media_admin', null, null);
                $init_fav['widgets'] = array('widgets', 'Presentation widgets', 'plugin.php?p=widgets', 'index.php?pf=widgets/icon.png', 'index.php?pf=widgets/icon-big.png', 'admin', null, null);
                $init_fav['blog_theme'] = array('blog_theme', 'Blog appearance', 'blog_theme.php', 'images/menu/themes.png', 'images/menu/blog-theme-b.png', 'admin', null, null);
                $count = 0;
                foreach ($init_fav as $k => $f) {
                    $t = array('name' => $f[0], 'title' => $f[1], 'url' => $f[2], 'small-icon' => $f[3], 'large-icon' => $f[4], 'permissions' => $f[5], 'id' => $f[6], 'class' => $f[7]);
                    $sqlstr = 'INSERT INTO ' . $core->prefix . 'pref (pref_id, user_id, pref_ws, pref_value, pref_type, pref_label) VALUES (' . '\'' . sprintf("g%03s", $count) . '\',NULL,\'favorites\',\'' . serialize($t) . '\',\'string\',NULL);';
                    $core->con->execute($sqlstr);
                    $count++;
                }
                # A bit of housecleaning for no longer needed files
                $remfiles = array('admin/style/cat-bg.png', 'admin/style/footer-bg.png', 'admin/style/head-logo.png', 'admin/style/tab-bg.png', 'admin/style/tab-c-l.png', 'admin/style/tab-c-r.png', 'admin/style/tab-l-l.png', 'admin/style/tab-l-r.png', 'admin/style/tab-n-l.png', 'admin/style/tab-n-r.png', 'inc/clearbricks/_common.php', 'inc/clearbricks/common/lib.crypt.php', 'inc/clearbricks/common/lib.date.php', 'inc/clearbricks/common/lib.files.php', 'inc/clearbricks/common/lib.form.php', 'inc/clearbricks/common/lib.html.php', 'inc/clearbricks/common/lib.http.php', 'inc/clearbricks/common/lib.l10n.php', 'inc/clearbricks/common/lib.text.php', 'inc/clearbricks/common/tz.dat', 'inc/clearbricks/common/_main.php', 'inc/clearbricks/dblayer/class.cursor.php', 'inc/clearbricks/dblayer/class.mysql.php', 'inc/clearbricks/dblayer/class.pgsql.php', 'inc/clearbricks/dblayer/class.sqlite.php', 'inc/clearbricks/dblayer/dblayer.php', 'inc/clearbricks/dbschema/class.dbschema.php', 'inc/clearbricks/dbschema/class.dbstruct.php', 'inc/clearbricks/dbschema/class.mysql.dbschema.php', 'inc/clearbricks/dbschema/class.pgsql.dbschema.php', 'inc/clearbricks/dbschema/class.sqlite.dbschema.php', 'inc/clearbricks/diff/lib.diff.php', 'inc/clearbricks/diff/lib.unified.diff.php', 'inc/clearbricks/filemanager/class.filemanager.php', 'inc/clearbricks/html.filter/class.html.filter.php', 'inc/clearbricks/html.validator/class.html.validator.php', 'inc/clearbricks/image/class.image.meta.php', 'inc/clearbricks/image/class.image.tools.php', 'inc/clearbricks/mail/class.mail.php', 'inc/clearbricks/mail/class.socket.mail.php', 'inc/clearbricks/net/class.net.socket.php', 'inc/clearbricks/net.http/class.net.http.php', 'inc/clearbricks/net.http.feed/class.feed.parser.php', 'inc/clearbricks/net.http.feed/class.feed.reader.php', 'inc/clearbricks/net.xmlrpc/class.net.xmlrpc.php', 'inc/clearbricks/pager/class.pager.php', 'inc/clearbricks/rest/class.rest.php', 'inc/clearbricks/session.db/class.session.db.php', 'inc/clearbricks/template/class.template.php', 'inc/clearbricks/text.wiki2xhtml/class.wiki2xhtml.php', 'inc/clearbricks/url.handler/class.url.handler.php', 'inc/clearbricks/zip/class.unzip.php', 'inc/clearbricks/zip/class.zip.php', 'themes/default/tpl/.htaccess', 'themes/default/tpl/404.html', 'themes/default/tpl/archive.html', 'themes/default/tpl/archive_month.html', 'themes/default/tpl/category.html', 'themes/default/tpl/home.html', 'themes/default/tpl/post.html', 'themes/default/tpl/search.html', 'themes/default/tpl/tag.html', 'themes/default/tpl/tags.html', 'themes/default/tpl/user_head.html', 'themes/default/tpl/_flv_player.html', 'themes/default/tpl/_footer.html', 'themes/default/tpl/_head.html', 'themes/default/tpl/_mp3_player.html', 'themes/default/tpl/_top.html');
                $remfolders = array('inc/clearbricks/common', 'inc/clearbricks/dblayer', 'inc/clearbricks/dbschema', 'inc/clearbricks/diff', 'inc/clearbricks/filemanager', 'inc/clearbricks/html.filter', 'inc/clearbricks/html.validator', 'inc/clearbricks/image', 'inc/clearbricks/mail', 'inc/clearbricks/net', 'inc/clearbricks/net.http', 'inc/clearbricks/net.http.feed', 'inc/clearbricks/net.xmlrpc', 'inc/clearbricks/pager', 'inc/clearbricks/rest', 'inc/clearbricks/session.db', 'inc/clearbricks/template', 'inc/clearbricks/text.wiki2xhtml', 'inc/clearbricks/url.handler', 'inc/clearbricks/zip', 'inc/clearbricks', 'themes/default/tpl');
                foreach ($remfiles as $f) {
                    @unlink(DC_ROOT . '/' . $f);
                }
                foreach ($remfolders as $f) {
                    @rmdir(DC_ROOT . '/' . $f);
                }
            }
            if (version_compare($version, '2.3.1', '<')) {
                # Remove unecessary file
                @unlink(DC_ROOT . '/' . 'inc/libs/clearbricks/.hgignore');
            }
            if (version_compare($version, '2.4.0', '<=')) {
                # setup media_exclusion
                $strReq = 'UPDATE ' . $core->prefix . 'setting ' . "SET setting_value = '/\\.php\$/i' " . "WHERE setting_id = 'media_exclusion' " . "AND setting_value = '' ";
                $core->con->execute($strReq);
            }
            if (version_compare($version, '2.5', '<=')) {
                # Try to disable daInstaller plugin if it has been installed outside the default plugins directory
                $path = explode(PATH_SEPARATOR, DC_PLUGINS_ROOT);
                $default = path::real(dirname(__FILE__) . '/../../plugins/');
                foreach ($path as $root) {
                    if (!is_dir($root) || !is_readable($root)) {
                        continue;
                    }
                    if (substr($root, -1) != '/') {
                        $root .= '/';
                    }
                    if (($p = @dir($root)) === false) {
                        continue;
                    }
                    if (path::real($root) == $default) {
                        continue;
                    }
                    if (($d = @dir($root . 'daInstaller')) === false) {
                        continue;
                    }
                    $f = $root . '/daInstaller/_disabled';
                    if (!file_exists($f)) {
                        @file_put_contents($f, '');
                    }
                }
            }
            if (version_compare($version, '2.5.1', '<=')) {
                // Flash enhanced upload no longer needed
                @unlink(DC_ROOT . '/' . 'inc/swf/swfupload.swf');
            }
            if (version_compare($version, '2.6', '<=')) {
                // README has been replaced by README.md and CONTRIBUTING.md
                @unlink(DC_ROOT . '/' . 'README');
                // trackbacks are now merged into posts
                @unlink(DC_ROOT . '/' . 'admin/trackbacks.php');
                # daInstaller has been integrated to the core.
                # Try to remove it
                $path = explode(PATH_SEPARATOR, DC_PLUGINS_ROOT);
                foreach ($path as $root) {
                    if (!is_dir($root) || !is_readable($root)) {
                        continue;
                    }
                    if (substr($root, -1) != '/') {
                        $root .= '/';
                    }
                    if (($p = @dir($root)) === false) {
                        continue;
                    }
                    if (($d = @dir($root . 'daInstaller')) === false) {
                        continue;
                    }
                    files::deltree($root . '/daInstaller');
                }
                # Some settings change, prepare db queries
                $strReqFormat = 'INSERT INTO ' . $core->prefix . 'setting';
                $strReqFormat .= ' (setting_id,setting_ns,setting_value,setting_type,setting_label)';
                $strReqFormat .= ' VALUES(\'%s\',\'system\',\'%s\',\'string\',\'%s\')';
                $strReqSelect = 'SELECT count(1) FROM ' . $core->prefix . 'setting';
                $strReqSelect .= ' WHERE setting_id = \'%s\'';
                $strReqSelect .= ' AND setting_ns = \'system\'';
                $strReqSelect .= ' AND blog_id IS NULL';
                # Add date and time formats
                $date_formats = array('%Y-%m-%d', '%m/%d/%Y', '%d/%m/%Y', '%Y/%m/%d', '%d.%m.%Y', '%b %e %Y', '%e %b %Y', '%Y %b %e', '%a, %Y-%m-%d', '%a, %m/%d/%Y', '%a, %d/%m/%Y', '%a, %Y/%m/%d', '%B %e, %Y', '%e %B, %Y', '%Y, %B %e', '%e. %B %Y', '%A, %B %e, %Y', '%A, %e %B, %Y', '%A, %Y, %B %e', '%A, %Y, %B %e', '%A, %e. %B %Y');
                $time_formats = array('%H:%M', '%I:%M', '%l:%M', '%Hh%M', '%Ih%M', '%lh%M');
                if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
                    $date_formats = array_map(create_function('$f', 'return str_replace(\'%e\',\'%#d\',$f);'), $date_formats);
                }
                $rs = $core->con->select(sprintf($strReqSelect, 'date_formats'));
                if ($rs->f(0) == 0) {
                    $strReq = sprintf($strReqFormat, 'date_formats', serialize($date_formats), 'Date formats examples');
                    $core->con->execute($strReq);
                }
                $rs = $core->con->select(sprintf($strReqSelect, 'time_formats'));
                if ($rs->f(0) == 0) {
                    $strReq = sprintf($strReqFormat, 'time_formats', serialize($time_formats), 'Time formats examples');
                    $core->con->execute($strReq);
                }
                # Add repository URL for themes and plugins as daInstaller move to core
                $rs = $core->con->select(sprintf($strReqSelect, 'store_plugin_url'));
                if ($rs->f(0) == 0) {
                    $strReq = sprintf($strReqFormat, 'store_plugin_url', 'http://update.dotaddict.org/dc2/plugins.xml', 'Plugins XML feed location');
                    $core->con->execute($strReq);
                }
                $rs = $core->con->select(sprintf($strReqSelect, 'store_theme_url'));
                if ($rs->f(0) == 0) {
                    $strReq = sprintf($strReqFormat, 'store_theme_url', 'http://update.dotaddict.org/dc2/themes.xml', 'Themes XML feed location');
                    $core->con->execute($strReq);
                }
            }
            if (version_compare($version, '2.7', '<=')) {
                # Some new settings should be initialized, prepare db queries
                $strReqFormat = 'INSERT INTO ' . $core->prefix . 'setting';
                $strReqFormat .= ' (setting_id,setting_ns,setting_value,setting_type,setting_label)';
                $strReqFormat .= ' VALUES(\'%s\',\'system\',\'%s\',\'string\',\'%s\')';
                $strReqCount = 'SELECT count(1) FROM ' . $core->prefix . 'setting';
                $strReqCount .= ' WHERE setting_id = \'%s\'';
                $strReqCount .= ' AND setting_ns = \'system\'';
                $strReqCount .= ' AND blog_id IS NULL';
                $strReqSelect = 'SELECT setting_value FROM ' . $core->prefix . 'setting';
                $strReqSelect .= ' WHERE setting_id = \'%s\'';
                $strReqSelect .= ' AND setting_ns = \'system\'';
                $strReqSelect .= ' AND blog_id IS NULL';
                # Add nb of posts for home (first page), copying nb of posts on every page
                $rs = $core->con->select(sprintf($strReqCount, 'nb_post_for_home'));
                if ($rs->f(0) == 0) {
                    $rs = $core->con->select(sprintf($strReqSelect, 'nb_post_per_page'));
                    $strReq = sprintf($strReqFormat, 'nb_post_for_home', $rs->f(0), 'Nb of posts on home (first page only)');
                    $core->con->execute($strReq);
                }
            }
            if (version_compare($version, '2.8.1', '<=')) {
                # switch from jQuery 1.11.1 to 1.11.2
                $strReq = 'UPDATE ' . $core->prefix . 'setting ' . " SET setting_value = '1.11.3' " . " WHERE setting_id = 'jquery_version' " . " AND setting_ns = 'system' " . " AND setting_value = '1.11.1' ";
                $core->con->execute($strReq);
                # setup media_exclusion (cope with php, php5, php7, … rather than only .php)
                $strReq = 'UPDATE ' . $core->prefix . 'setting ' . " SET setting_value = '/\\.php[0-9]*\$/i' " . " WHERE setting_id = 'media_exclusion' " . " AND setting_ns = 'system' " . " AND setting_value = '/\\.php\$/i' ";
                $core->con->execute($strReq);
                # Some new settings should be initialized, prepare db queries
                $strReq = 'INSERT INTO ' . $core->prefix . 'setting' . ' (setting_id,setting_ns,setting_value,setting_type,setting_label)' . ' VALUES(\'%s\',\'system\',\'%s\',\'boolean\',\'%s\')';
                $core->con->execute(sprintf($strReq, 'no_search', '0', 'Disable internal search system'));
            }
            if (version_compare($version, '2.8.2', '<=')) {
                # Update flie exclusion upload regex
                $strReq = 'UPDATE ' . $core->prefix . 'setting ' . " SET setting_value = '/\\.(phps?|pht(ml)?|phl)[0-9]*\$/i' " . " WHERE setting_id = 'media_exclusion' " . " AND setting_ns = 'system' " . " AND (setting_value = '/\\.php[0-9]*\$/i' " . "   OR setting_value = '/\\.php\$/i') ";
                $core->con->execute($strReq);
            }
            if (version_compare($version, '2.9', '<=')) {
                # Some new settings should be initialized, prepare db queries
                $strReq = 'INSERT INTO ' . $core->prefix . 'setting' . ' (setting_id,setting_ns,setting_value,setting_type,setting_label)' . ' VALUES(\'%s\',\'system\',\'%s\',\'%s\',\'%s\')';
                $core->con->execute(sprintf($strReq, 'media_video_width', '400', 'integer', 'Media video insertion width'));
                $core->con->execute(sprintf($strReq, 'media_video_height', '300', 'integer', 'Media video insertion height'));
                $core->con->execute(sprintf($strReq, 'media_flash_fallback', '1', 'boolean', 'Flash player fallback for audio and video media'));
            }
            $core->setVersion('core', DC_VERSION);
            $core->blogDefaults();
            # Drop content from session table if changes or if needed
            if ($changes != 0 || $cleanup_sessions) {
                $core->con->execute('DELETE FROM ' . $core->prefix . 'session ');
            }
            # Empty templates cache directory
            try {
                $core->emptyTemplatesCache();
            } catch (Exception $e) {
            }
            return $changes;
        } catch (Exception $e) {
            throw new Exception(__('Something went wrong with auto upgrade:') . ' ' . $e->getMessage());
        }
    }
    # No upgrade?
    return false;
}