diff --git a/_admin.php b/_admin.php
index 3e552de..c80b7a7 100644
--- a/_admin.php
+++ b/_admin.php
@@ -14,39 +14,38 @@ if (!defined('DC_CONTEXT_ADMIN')) {
     return null;
 }
 
-$core->blog->settings->addNamespace('zoneclearFeedServer');
+dcCore::app()->blog->settings->addNamespace('zoneclearFeedServer');
 
-require_once dirname(__FILE__) . '/_widgets.php';
+require_once __DIR__ . '/_widgets.php';
 
-$_menu['Plugins']->addItem(
+dcCore::app()->menu[dcAdmin::MENU_PLUGINS]->addItem(
     __('Feeds server'),
-    $core->adminurl->get('admin.plugin.zoneclearFeedServer'),
+    dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer'),
     dcPage::getPF('zoneclearFeedServer/icon.png'),
     preg_match(
-        '/' . preg_quote($core->adminurl->get('admin.plugin.zoneclearFeedServer')) . '(&.*)?$/',
+        '/' . preg_quote(dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer')) . '(&.*)?$/',
         $_SERVER['REQUEST_URI']
     ),
-    $core->auth->check('admin', $core->blog->id)
+    dcCore::app()->auth->check('admin', dcCore::app()->blog->id)
 );
 
 # Delete related info about feed post in meta table
-$core->addBehavior('adminBeforePostDelete', ['zcfsAdminBehaviors', 'adminBeforePostDelete']);
-
-if ($core->auth->check('admin', $core->blog->id)) {
+dcCore::app()->addBehavior('adminBeforePostDelete', ['zcfsAdminBehaviors', 'adminBeforePostDelete']);
 
+if (dcCore::app()->auth->check('admin', dcCore::app()->blog->id)) {
     # Dashboard icon
-    $core->addBehavior('adminDashboardFavorites', ['zcfsAdminBehaviors', 'adminDashboardFavorites']);
+    dcCore::app()->addBehavior('adminDashboardFavoritesV2', ['zcfsAdminBehaviors', 'adminDashboardFavorites']);
     # User pref
-    $core->addBehavior('adminColumnsLists', ['zcfsAdminBehaviors', 'adminColumnsLists']);
-    $core->addBehavior('adminFiltersLists', ['zcfsAdminBehaviors', 'adminFiltersLists']);
+    dcCore::app()->addBehavior('adminColumnsListsV2', ['zcfsAdminBehaviors', 'adminColumnsLists']);
+    dcCore::app()->addBehavior('adminFiltersListsV2', ['zcfsAdminBehaviors', 'adminFiltersLists']);
     # Add info about feed on post page sidebar
-    $core->addBehavior('adminPostHeaders', ['zcfsAdminBehaviors', 'adminPostHeaders']);
-    $core->addBehavior('adminPostFormItems', ['zcfsAdminBehaviors', 'adminPostFormItems']);
+    dcCore::app()->addBehavior('adminPostHeaders', ['zcfsAdminBehaviors', 'adminPostHeaders']);
+    dcCore::app()->addBehavior('adminPostFormItems', ['zcfsAdminBehaviors', 'adminPostFormItems']);
 }
 
 # Take care about tweakurls (thanks Mathieu M.)
-if (version_compare($core->plugins->moduleInfo('tweakurls', 'version'), '0.8', '>=')) {
-    $core->addbehavior('zcfsAfterPostCreate', ['zoneclearFeedServer', 'tweakurlsAfterPostCreate']);
+if (version_compare(dcCore::app()->plugins->moduleInfo('tweakurls', 'version'), '0.8', '>=')) {
+    dcCore::app()->addbehavior('zcfsAfterPostCreate', ['zoneclearFeedServer', 'tweakurlsAfterPostCreate']);
 }
 
 /**
@@ -63,7 +62,7 @@ class zcfsAdminBehaviors
             __('Name')        => 'lowername',
             __('Frequency')   => 'feed_upd_int',
             __('Update date') => 'feed_upd_last',
-            __('Status')      => 'feed_status'
+            __('Status')      => 'feed_status',
         ];
     }
 
@@ -74,26 +73,25 @@ class zcfsAdminBehaviors
             __('Title')    => 'post_title',
             __('Category') => 'cat_title',
             __('Author')   => 'user_id',
-            __('Status')   => 'post_status'
+            __('Status')   => 'post_status',
         ];
     }
 
     /**
      * Favorites.
      *
-     * @param    dcCore      $core dcCore instance
-     * @param    arrayObject $favs Array of favorites
+     * @param    dcFavorites $favs Array of favorites
      */
-    public static function adminDashboardFavorites(dcCore $core, dcFavorites $favs)
+    public static function adminDashboardFavorites(dcFavorites $favs)
     {
         $favs->register('zcfs', [
             'title'        => __('Feeds server'),
-            'url'          => $core->adminurl->get('admin.plugin.zoneclearFeedServer'),
+            'url'          => dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer'),
             'small-icon'   => dcPage::getPF('zoneclearFeedServer/icon.png'),
             'large-icon'   => dcPage::getPF('zoneclearFeedServer/icon-big.png'),
             'permissions'  => 'usage,contentadmin',
             'active_cb'    => ['zcfsAdminBehaviors', 'adminDashboardFavoritesActive'],
-            'dashboard_cb' => ['zcfsAdminBehaviors', 'adminDashboardFavoritesCallback']
+            'dashboard_cb' => ['zcfsAdminBehaviors', 'adminDashboardFavoritesCallback'],
         ]);
     }
 
@@ -113,12 +111,11 @@ class zcfsAdminBehaviors
     /**
      * Favorites hack.
      *
-     * @param    dcCore      $core dcCore instance
      * @param    arrayObject $fav  Fav attributes
      */
-    public static function adminDashboardFavoritesCallback(dcCore $core, $fav)
+    public static function adminDashboardFavoritesCallback($fav)
     {
-        $zcfs = new zoneclearFeedServer($core);
+        $zcfs = new zoneclearFeedServer();
 
         $count = $zcfs->getFeeds(['feed_status' => '0'], true)->f(0);
         if (!$count) {
@@ -127,7 +124,7 @@ class zcfsAdminBehaviors
 
         $fav['title'] .= '<br />' . sprintf(__('%s feed disabled', '%s feeds disabled', $count), $count);
         $fav['large-icon'] = dcPage::getPF('zoneclearFeedServer/icon-big-update.png');
-        $fav['url']        = $core->adminurl->get(
+        $fav['url']        = dcCore::app()->adminurl->get(
             'admin.plugin.zoneclearFeedServer',
             ['part' => 'feeds', 'sortby' => 'feed_status', 'order' => 'asc']
         );
@@ -136,10 +133,9 @@ class zcfsAdminBehaviors
     /**
      * User pref columns lists.
      *
-     * @param    dcCore      $core dcCore instance
      * @param    arrayObject $cols Columns
      */
-    public static function adminColumnsLists(dcCore $core, $cols)
+    public static function adminColumnsLists($cols)
     {
         $cols['zcfs_feeds'] = [
             __('Feeds server: Feeds'),
@@ -147,40 +143,39 @@ class zcfsAdminBehaviors
                 'desc'    => [true, __('Feed')],
                 'period'  => [true, __('Frequency')],
                 'update'  => [true, __('Last update')],
-                'entries' => [true, __('Entries')]
-            ]
+                'entries' => [true, __('Entries')],
+            ],
         ];
         $cols['zcfs_entries'] = [
             __('Feeds server: Entries'),
             [
                 'date'     => [true, __('Date')],
                 'category' => [true, __('Category')],
-                'author'   => [true, __('Author')]
-            ]
+                'author'   => [true, __('Author')],
+            ],
         ];
     }
 
     /**
      * User pref filters options.
      *
-     * @param    dcCore      $core  dcCore instance
      * @param    arrayObject $sorts Sort options
      */
-    public static function adminFiltersLists(dcCore $core, $sorts)
+    public static function adminFiltersLists($sorts)
     {
         $sorts['zcfs_feeds'] = [
             __('Feeds server: Feeds'),
             self::feedsSortbyCombo(),
             'lowername',
             'asc',
-            [__('feeds per page'), 30]
+            [__('feeds per page'), 30],
         ];
         $sorts['zcfs_entries'] = [
             __('Feeds server: Entries'),
             self::entriesSortbyCombo(),
             'post_dt',
             'desc',
-            [__('entries per page'), 30]
+            [__('entries per page'), 30],
         ];
     }
 
@@ -207,50 +202,48 @@ class zcfsAdminBehaviors
             return null;
         }
 
-        global $core;
-
-        $url = $core->meta->getMetadata([
+        $url = dcCore::app()->meta->getMetadata([
             'post_id'   => $post->post_id,
             'meta_type' => 'zoneclearfeed_url',
-            'limit'     => 1
+            'limit'     => 1,
         ]);
         $url = $url->isEmpty() ? '' : $url->meta_id;
         if (!$url) {
             return null;
         }
 
-        $author = $core->meta->getMetadata([
+        $author = dcCore::app()->meta->getMetadata([
             'post_id'   => $post->post_id,
             'meta_type' => 'zoneclearfeed_author',
-            'limit'     => 1
+            'limit'     => 1,
         ]);
         $author = $author->isEmpty() ? '' : $author->meta_id;
 
-        $site = $core->meta->getMetadata([
+        $site = dcCore::app()->meta->getMetadata([
             'post_id'   => $post->post_id,
             'meta_type' => 'zoneclearfeed_site',
-            'limit'     => 1
+            'limit'     => 1,
         ]);
         $site = $site->isEmpty() ? '' : $site->meta_id;
 
-        $sitename = $core->meta->getMetadata([
+        $sitename = dcCore::app()->meta->getMetadata([
             'post_id'   => $post->post_id,
             'meta_type' => 'zoneclearfeed_sitename',
-            'limit'     => 1
+            'limit'     => 1,
         ]);
         $sitename = $sitename->isEmpty() ? '' : $sitename->meta_id;
 
         $edit = '';
-        if ($core->auth->check('admin', $core->blog->id)) {
-            $fid = $core->meta->getMetadata([
+        if (dcCore::app()->auth->check(dcAuth::PERMISSION_CONTENT_ADMIN, dcCore::app()->blog->id)) {
+            $fid = dcCore::app()->meta->getMetadata([
                 'post_id'   => $post->post_id,
                 'meta_type' => 'zoneclearfeed_id',
-                'limit'     => 1
+                'limit'     => 1,
             ]);
             if (!$fid->isEmpty()) {
                 $edit = sprintf(
                     '<p><a href="%s">%s</a></p>',
-                    $core->adminurl->get(
+                    dcCore::app()->adminurl->get(
                         'admin.plugin.zoneclearFeedServer',
                         ['part' => 'feed', 'feed_id' => $fid->meta_id]
                     ),
@@ -276,17 +269,15 @@ class zcfsAdminBehaviors
      */
     public static function adminBeforePostDelete($post_id)
     {
-        global $core;
-
-        $core->con->execute(
-            'DELETE FROM ' . $core->prefix . 'meta ' .
+        dcCore::app()->con->execute(
+            'DELETE FROM ' . dcCore::app()->prefix . dcMeta::META_TABLE_NAME . ' ' .
             'WHERE post_id = ' . ((int) $post_id) . ' ' .
-            'AND meta_type ' . $core->con->in([
+            'AND meta_type ' . dcCore::app()->con->in([
                 'zoneclearfeed_url',
                 'zoneclearfeed_author',
                 'zoneclearfeed_site',
                 'zoneclearfeed_sitename',
-                'zoneclearfeed_id'
+                'zoneclearfeed_id',
             ]) . ' '
         );
     }
diff --git a/_config.php b/_config.php
index 8efce9a..596a447 100644
--- a/_config.php
+++ b/_config.php
@@ -14,11 +14,11 @@ if (!defined('DC_CONTEXT_MODULE')) {
     return null;
 }
 
-$redir = empty($_REQUEST['redir']) ? $list->getURL() . '#plugins' : $_REQUEST['redir'];
+$redir = empty($_REQUEST['redir']) ? dcCore::app()->admin->list->getURL() . '#plugins' : $_REQUEST['redir'];
 
 # -- Get settings --
-$core->blog->settings->addNamespace('zoneclearFeedServer');
-$s = $core->blog->settings->zoneclearFeedServer;
+dcCore::app()->blog->settings->addNamespace('zoneclearFeedServer');
+$s = dcCore::app()->blog->settings->zoneclearFeedServer;
 
 $active           = (bool) $s->zoneclearFeedServer_active;
 $pub_active       = (bool) $s->zoneclearFeedServer_pub_active;
@@ -41,7 +41,7 @@ if (!is_array($post_title_redir)) {
     $post_title_redir = [];
 }
 
-$zc = new zoneclearFeedServer($core);
+$zc = new zoneclearFeedServer();
 
 # -- Set settings --
 if (!empty($_POST['save'])) {
@@ -72,17 +72,17 @@ if (!empty($_POST['save'])) {
         $s->put('zoneclearFeedServer_post_title_redir', serialize($post_title_redir));
         $s->put('zoneclearFeedServer_user', $feeduser);
 
-        $core->blog->triggerBlog();
+        dcCore::app()->blog->triggerBlog();
 
-        dcPage::addSuccessNotice(
+        dcAdminNotices::addSuccessNotice(
             __('Configuration successfully updated.')
         );
-        $core->adminurl->redirect(
+        dcCore::app()->adminurl->redirect(
             'admin.plugins',
-            ['module' => 'zoneclearFeedServer', 'conf' => 1, 'redir' => $list->getRedir()]
+            ['module' => 'zoneclearFeedServer', 'conf' => 1, 'redir' => dcCore::app()->admin->list->getRedir()]
         );
     } catch (Exception $e) {
-        $core->error->add($e->getMessage());
+        dcCore::app()->error->add($e->getMessage());
     }
 }
 
@@ -92,20 +92,20 @@ $combo_pubupd = [
     __('Disable')        => 0,
     __('Before display') => 1,
     __('After display')  => 2,
-    __('Through Ajax')   => 3
+    __('Through Ajax')   => 3,
 ];
 $combo_status = [
     __('Unpublished') => 0,
-    __('Published')   => 1
+    __('Published')   => 1,
 ];
 $combo_tagcase = [
     __('Keep source case') => 0,
     __('First upper case') => 1,
     __('All lower case')   => 2,
-    __('All upper case')   => 3
+    __('All upper case')   => 3,
 ];
 
-$pub_page_url = $core->blog->url . $core->url->getBase('zoneclearFeedsPage');
+$pub_page_url = dcCore::app()->blog->url . dcCore::app()->url->getBase('zoneclearFeedsPage');
 
 # -- Display form --
 
@@ -124,7 +124,7 @@ __('Enable plugin') . '</label></p>
 
 <div class="fieldset">';
 
-if ($core->blog->settings->zoneclearFeedServer->zoneclearFeedServer_pub_active) {
+if (dcCore::app()->blog->settings->zoneclearFeedServer->zoneclearFeedServer_pub_active) {
     echo sprintf(
         '<p><a class="onblog_link outgoing" href="%s" title="%s">%s <img alt="" src="images/outgoing-link.svg"></a></p>',
         $pub_page_url,
@@ -168,7 +168,7 @@ form::checkbox('pub_active', 1, $pub_active) . __('Enable public page') . '</lab
 
 <p>' . __('Redirect to original post on:') . '</p><ul>';
 
-foreach ($zc->getPublicUrlTypes($core) as $k => $v) {
+foreach ($zc->getPublicUrlTypes() as $k => $v) {
     echo sprintf(
         '<li><label for="post_title_redir_%s">%s%s</label></li>',
         $v,
@@ -183,7 +183,7 @@ echo '
 
 <p>' . __('Show full content on:') . '</p><ul>';
 
-foreach ($zc->getPublicUrlTypes($core) as $k => $v) {
+foreach ($zc->getPublicUrlTypes() as $k => $v) {
     echo sprintf(
         '<li><label for="post_full_tpl_%s">%s%s</label></li>',
         $v,
diff --git a/_define.php b/_define.php
index 3fd2bfb..fb6238f 100644
--- a/_define.php
+++ b/_define.php
@@ -18,13 +18,13 @@ $this->registerModule(
     'Feeds server',
     'Mix your blog with a feeds planet',
     'Jean-Christian Denis, BG, Pierre Van Glabeke',
-    '2022.02.13',
+    '2022.11.12',
     [
-        'requires'    => [['core', '2.21']],
-        'permissions' => 'admin',
+        'requires'    => [['core', '2.24']],
+        'permissions' => dcAuth::PERMISSION_CONTENT_ADMIN,
         'type'        => 'plugin',
         'support'     => 'https://github.com/JcDenis/zoneclearFeedServer',
         'details'     => 'https://plugins.dotaddict.org/dc2/details/pacKman',
-        'repository'  => 'https://raw.githubusercontent.com/JcDenis/zoneclearFeedServer/master/dcstore.xml'
+        'repository'  => 'https://raw.githubusercontent.com/JcDenis/zoneclearFeedServer/master/dcstore.xml',
     ]
 );
diff --git a/_install.php b/_install.php
index f7bc8d9..2de37ca 100644
--- a/_install.php
+++ b/_install.php
@@ -20,7 +20,7 @@ $dc_min = $this->modules[$mod_id]['requires'][0][1];
 try {
     # Check module version
     if (version_compare(
-        $core->getVersion($mod_id),
+        dcCore::app()->getVersion($mod_id),
         $this->moduleInfo($mod_id, 'version'),
         '>='
     )) {
@@ -39,7 +39,7 @@ try {
     }
 
     # Tables
-    $t = new dbStruct($core->con, $core->prefix);
+    $t = new dbStruct(dcCore::app()->con, dcCore::app()->prefix);
     $t->zc_feed
         ->feed_id('bigint', 0, false)
         ->feed_creadt('timestamp', 0, false, 'now()')
@@ -66,12 +66,12 @@ try {
         ->index('idx_zcfs_type', 'btree', 'feed_type')
         ->index('idx_zcfs_blog', 'btree', 'blog_id');
 
-    $ti      = new dbStruct($core->con, $core->prefix);
+    $ti      = new dbStruct(dcCore::app()->con, dcCore::app()->prefix);
     $changes = $ti->synchronize($t);
 
     # Settings
-    $core->blog->settings->addNamespace('zoneclearFeedServer');
-    $s = $core->blog->settings->zoneclearFeedServer;
+    dcCore::app()->blog->settings->addNamespace('zoneclearFeedServer');
+    $s = dcCore::app()->blog->settings->zoneclearFeedServer;
     $s->put('zoneclearFeedServer_active', false, 'boolean', 'Enable zoneclearBlogServer', false, true);
     $s->put('zoneclearFeedServer_pub_active', false, 'boolean', 'Enable public page of list of feeds', false, true);
     $s->put('zoneclearFeedServer_post_status_new', true, 'boolean', 'Enable auto publish new posts', false, true);
@@ -84,14 +84,14 @@ try {
     $s->put('zoneclearFeedServer_post_title_redir', serialize(['feed']), 'string', 'List of templates types for redirection to original post', false, true);
 
     # Set module version
-    $core->setVersion(
+    dcCore::app()->setVersion(
         $mod_id,
         $this->moduleInfo($mod_id, 'version')
     );
 
     return true;
 } catch (Exception $e) {
-    $core->error->add($e->getMessage());
+    dcCore::app()->error->add($e->getMessage());
 
     return false;
 }
diff --git a/_prepend.php b/_prepend.php
index bfd2717..0ec0a7e 100644
--- a/_prepend.php
+++ b/_prepend.php
@@ -14,17 +14,15 @@ if (!defined('DC_RC_PATH')) {
     return null;
 }
 
-$d = dirname(__FILE__) . '/inc/';
-
-$__autoload['zoneclearFeedServer']     = $d . 'class.zoneclear.feed.server.php';
-$__autoload['zcfsFeedsList']           = $d . 'lib.zcfs.list.php';
-$__autoload['zcfsEntriesList']         = $d . 'lib.zcfs.list.php';
-$__autoload['adminZcfsPostFilter']     = $d . 'lib.zcfs.list.php';
-$__autoload['zcfsFeedsActionsPage']    = $d . 'class.zcfs.feedsactions.php';
-$__autoload['zcfsDefaultFeedsActions'] = $d . 'class.zcfs.feedsactions.php';
+Clearbricks::lib()->autoload(['zoneclearFeedServer' => __DIR__ . '/inc/class.zoneclear.feed.server.php']);
+Clearbricks::lib()->autoload(['zcfsFeedsList' => __DIR__ . '/inc/lib.zcfs.list.php']);
+Clearbricks::lib()->autoload(['zcfsEntriesList' => __DIR__ . '/inc/lib.zcfs.list.php']);
+Clearbricks::lib()->autoload(['adminZcfsPostFilter' => __DIR__ . '/inc/lib.zcfs.list.php']);
+Clearbricks::lib()->autoload(['zcfsFeedsActionsPage' => __DIR__ . '/inc/class.zcfs.feedsactions.php']);
+Clearbricks::lib()->autoload(['zcfsDefaultFeedsActions' => __DIR__ . '/inc/class.zcfs.feedsactions.php']);
 
 // public url for page of description of the flux
-$core->url->register(
+dcCore::app()->url->register(
     'zoneclearFeedsPage',
     'zcfeeds',
     '^zcfeeds(.*?)$',
@@ -33,5 +31,5 @@ $core->url->register(
 
 // Add to report on plugin activityReport
 if (defined('ACTIVITY_REPORT')) {
-    require_once $d . 'lib.zcfs.activityreport.php';
+    require_once __DIR__ . '/inc/lib.zcfs.activityreport.php';
 }
diff --git a/_public.php b/_public.php
index c234d0a..4634adb 100644
--- a/_public.php
+++ b/_public.php
@@ -15,28 +15,28 @@ if (!defined('DC_RC_PATH')) {
 }
 
 # Namespace for settings
-$core->blog->settings->addNamespace('zoneclearFeedServer');
-$s = $core->blog->settings->zoneclearFeedServer;
+dcCore::app()->blog->settings->addNamespace('zoneclearFeedServer');
+$s = dcCore::app()->blog->settings->zoneclearFeedServer;
 
 # Widgets
-require_once dirname(__FILE__) . '/_widgets.php';
+require_once __DIR__ . '/_widgets.php';
 
-$core->addBehavior('coreBlogGetPosts', ['zcfsPublicBehaviors', 'coreBlogGetPosts']);
+dcCore::app()->addBehavior('coreBlogGetPosts', ['zcfsPublicBehaviors', 'coreBlogGetPosts']);
 
 if (!$s->zoneclearFeedServer_active) {
     return null;
 }
 if (1 == $s->zoneclearFeedServer_bhv_pub_upd) {
-    $core->addBehavior('publicBeforeDocument', ['zcfsPublicBehaviors', 'publicDocument']);
+    dcCore::app()->addBehavior('publicBeforeDocument', ['zcfsPublicBehaviors', 'publicDocument']);
 } elseif (2 == $s->zoneclearFeedServer_bhv_pub_upd) {
-    $core->addBehavior('publicAfterDocument', ['zcfsPublicBehaviors', 'publicAfterDocument']);
+    dcCore::app()->addBehavior('publicAfterDocument', ['zcfsPublicBehaviors', 'publicAfterDocument']);
 } elseif (3 == $s->zoneclearFeedServer_bhv_pub_upd) {
-    $core->addBehavior('publicHeadContent', ['zcfsPublicBehaviors', 'publicHeadContent']);
+    dcCore::app()->addBehavior('publicHeadContent', ['zcfsPublicBehaviors', 'publicHeadContent']);
 }
 
 # Take care about tweakurls (thanks Mathieu M.)
-if (version_compare($core->plugins->moduleInfo('tweakurls', 'version'), '0.8', '>=')) {
-    $core->addbehavior('zoneclearFeedServerAfterPostCreate', ['zoneclearFeedServer', 'tweakurlsAfterPostCreate']);
+if (version_compare(dcCore::app()->plugins->moduleInfo('tweakurls', 'version'), '0.8', '>=')) {
+    dcCore::app()->addbehavior('zoneclearFeedServerAfterPostCreate', ['zoneclearFeedServer', 'tweakurlsAfterPostCreate']);
 }
 
 # Register tempalte blocks
@@ -44,10 +44,10 @@ $tpl_blocks = [
     'Feeds',
     'FeedsFooter',
     'FeedsHeader',
-    'FeedIf'
+    'FeedIf',
 ];
 foreach ($tpl_blocks as $v) {
-    $core->tpl->addBlock('zc' . $v, ['zcfsTemplate', $v]);
+    dcCore::app()->tpl->addBlock('zc' . $v, ['zcfsTemplate', $v]);
 }
 
 # Register tempalte values
@@ -67,10 +67,10 @@ $tpl_values = [
     'FeedOwner',
     'FeedDesc',
     'FeedSiteURL',
-    'FeedFeedURL'
+    'FeedFeedURL',
 ];
 foreach ($tpl_values as $v) {
-    $core->tpl->addValue('zc' . $v, ['zcfsTemplate', $v]);
+    dcCore::app()->tpl->addValue('zc' . $v, ['zcfsTemplate', $v]);
 }
 
 /**
@@ -83,9 +83,9 @@ class zcfsPublicBehaviors
     /**
      * Remember others post extension.
      *
-     * @param  record $rs record instance
+     * @param  dcRecord $rs record instance
      */
-    public static function coreBlogGetPosts(record $rs)
+    public static function coreBlogGetPosts(dcRecord $rs)
     {
         $GLOBALS['beforeZcFeedRsExt'] = $rs->extensions();
         $rs->extend('zcfsRsExtPosts');
@@ -94,29 +94,25 @@ class zcfsPublicBehaviors
     /**
      * Update feeds after contents.
      *
-     * @param  dcCore $core dcCore instance
-     * @return string       Document
      */
-    public static function publicAfterDocument(dcCore $core)
+    public static function publicAfterDocument()
     {
         # Limit feeds update to home page et feed page
         # Like publishScheduledEntries
-        if (!in_array($core->url->type, ['default', 'feed'])) {
+        if (!in_array(dcCore::app()->url->type, ['default', 'feed'])) {
             return null;
         }
 
-        self::publicDocument($core);
+        self::publicDocument();
     }
 
     /**
      * Generic behavior for before and after public content.
      *
-     * @param  dcCore $core dcCore instance
-     * @return null       NULL
      */
-    public static function publicDocument(dcCore $core)
+    public static function publicDocument()
     {
-        $zc = new zoneclearFeedServer($core);
+        $zc = new zoneclearFeedServer();
         $zc->checkFeedsUpdate();
 
         return null;
@@ -124,28 +120,24 @@ class zcfsPublicBehaviors
 
     /**
      * Update feeds by an Ajax request (background).
-     *
-     * @param  dcCore  $core dcCore instance
-     * @param  context $_ctx context instance
-     * @return string        HTML content
      */
-    public static function publicHeadContent(dcCore $core, context $_ctx)
+    public static function publicHeadContent()
     {
         # Limit update to home page
-        if ($core->url->type != 'default') {
+        if (dcCore::app()->url->type != 'default') {
             return null;
         }
 
         $blog_url = html::escapeJS(
-            $core->blog->url .
-            $core->url->getBase('zoneclearFeedsPage') .
+            dcCore::app()->blog->url .
+            dcCore::app()->url->getBase('zoneclearFeedsPage') .
             '/zcfsupd'
         );
-        $blog_id = html::escapeJS($core->blog->id);
+        $blog_id = html::escapeJS(dcCore::app()->blog->id);
 
         echo
         "\n<!-- JS for zoneclearFeedServer --> \n" .
-        dcutils::jsLoad($core->blog->url . $core->url->getBase('zoneclearFeedsPage') . '/zcfsupd.js') .
+        dcUtils::jsLoad(dcCore::app()->blog->url . dcCore::app()->url->getBase('zoneclearFeedsPage') . '/zcfsupd.js') .
         "<script type=\"text/javascript\"> \n//<![CDATA[\n" .
         ' $(function(){if(!document.getElementById){return;} ' .
         " $('body').zoneclearFeedServer({blog_url:'" .
@@ -162,19 +154,24 @@ class zcfsPublicBehaviors
  */
 class zcfsRsExtPosts extends rsExtPost
 {
+    public static function zc()
+    {
+        return new zonclearFeedServer();
+    }
+
     /**
      * Get feed meta.
      *
-     * @param  record $rs   record instance
+     * @param  dcRecord $rs   record instance
      * @param  string $info Feed info key
      * @return string       Feed info value
      */
     public static function zcFeed($rs, $info)
     {
-        $meta = $rs->core->meta->getMetadata([
+        $meta = dcCore::app()->meta->getMetadata([
             'post_id'   => $rs->post_id,
             'meta_type' => 'zoneclearfeed_' . $info,
-            'limit'     => 1
+            'limit'     => 1,
         ]);
 
         return $meta->isEmpty() ? null : $meta->meta_id;
@@ -203,10 +200,10 @@ class zcfsRsExtPosts extends rsExtPost
     /**
      * Get author link from post to feed.
      *
-     * @param  record $rs record instance
+     * @param  dcRecord $rs record instance
      * @return string     Author link
      */
-    public static function getAuthorLink($rs)
+    public static function getAuthorLink(dcRecord $rs): string
     {
         $author   = $rs->zcFeed('author');
         $site     = $rs->zcFeed('site');
@@ -220,10 +217,10 @@ class zcfsRsExtPosts extends rsExtPost
     /**
      * Get author CN from post to feed.
      *
-     * @param  record $rs record instance
+     * @param  dcRecord $rs record instance
      * @return string     Author CN
      */
-    public static function getAuthorCN($rs)
+    public static function getAuthorCN(dcRecord $rs): string
     {
         $author = $rs->zcFeed('author');
 
@@ -235,14 +232,14 @@ class zcfsRsExtPosts extends rsExtPost
     /**
      * Get post link from post to feed.
      *
-     * @param  record $rs record instance
+     * @param  dcRecord $rs record instance
      * @return string     Post link
      */
-    public static function getURL($rs)
+    public static function getURL(dcRecord $rs): string
     {
         $url   = $rs->zcFeed('url');
-        $types = @unserialize($rs->core->blog->settings->zoneclearFeedServer->zoneclearFeedServer_post_title_redir);
-        $full  = is_array($types) && in_array($rs->core->url->type, $types);
+        $types = @unserialize(dcCore::app()->blog->settings->zoneclearFeedServer->zoneclearFeedServer_post_title_redir);
+        $full  = is_array($types) && in_array(dcCore::app()->url->type, $types);
 
         return $url && $full ?
             zoneclearFeedServer::absoluteURL($rs->zcFeed('site'), $url) :
@@ -255,16 +252,16 @@ class zcfsRsExtPosts extends rsExtPost
      * @param  record $rs record instance
      * @return string     Post content
      */
-    public static function getContent($rs, $absolute_urls = false)
+    public static function getContent(dcRecord $rs, bool $absolute_urls = false): string
     {
         $url      = $rs->zcFeed('url');
         $sitename = $rs->zcFeed('sitename');
         $content  = self::zcFeedBrother('getContent', [&$rs, $absolute_urls]);
 
         if ($url && $sitename && $rs->post_type == 'post') {
-            $types = @unserialize($rs->core->blog->settings->zoneclearFeedServer->zoneclearFeedServer_post_full_tpl);
+            $types = @unserialize(dcCore::app()->blog->settings->zoneclearFeedServer->zoneclearFeedServer_post_full_tpl);
 
-            if (is_array($types) && in_array($rs->core->url->type, $types)) {
+            if (is_array($types) && in_array(dcCore::app()->url->type, $types)) {
                 return $content . sprintf(
                     '<p class="zoneclear-original"><em>%s</em></p>',
                     sprintf(__('Original post on <a href="%s">%s</a>'), $url, $sitename)
@@ -302,8 +299,7 @@ class zcfsUrlHandler extends dcUrlHandlers
      */
     public static function zcFeedsPage($args)
     {
-        global $core, $_ctx;
-        $s = $core->blog->settings->zoneclearFeedServer;
+        $s = dcCore::app()->blog->settings->zoneclearFeedServer;
 
         # Not active
         if (!$s->zoneclearFeedServer_active) {
@@ -315,9 +311,9 @@ class zcfsUrlHandler extends dcUrlHandlers
         # Update feeds (from ajax or other post resquest)
         if ($args == '/zcfsupd' && 3 == $s->zoneclearFeedServer_bhv_pub_upd) {
             $msg = '';
-            if (!empty($_POST['blogId']) && html::escapeJS($core->blog->id) == $_POST['blogId']) {
+            if (!empty($_POST['blogId']) && html::escapeJS(dcCore::app()->blog->id) == $_POST['blogId']) {
                 try {
-                    $zc = new zoneclearFeedServer($core);
+                    $zc = new zoneclearFeedServer();
                     if ($zc->checkFeedsUpdate()) {
                         $msg = sprintf(
                             '<status>%s</status><message>s%</message>',
@@ -347,7 +343,7 @@ class zcfsUrlHandler extends dcUrlHandlers
 
         # Server js
         } elseif ($args == '/zcfsupd.js' && 3 == $s->zoneclearFeedServer_bhv_pub_upd) {
-            $core->tpl->setPath($core->tpl->getPath(), dirname(__FILE__) . '/default-templates');
+            dcCore::app()->tpl->setPath(dcCore::app()->tpl->getPath(), __DIR__ . '/default-templates');
             self::serveDocument(
                 'zcfsupd.js',
                 'text/javascript',
@@ -357,12 +353,12 @@ class zcfsUrlHandler extends dcUrlHandlers
 
         # Server feeds description page
         } elseif (in_array($args, ['', '/']) && $s->zoneclearFeedServer_pub_active) {
-            $tplset = $core->themes->moduleInfo($core->blog->settings->system->theme, 'tplset');
-            $path   = dirname(__FILE__) . '/default-templates/';
+            $tplset = dcCore::app()->themes->moduleInfo(dcCore::app()->blog->settings->system->theme, 'tplset');
+            $path   = __DIR__ . '/default-templates/';
             if (!empty($tplset) && is_dir($path . $tplset)) {
-                $core->tpl->setPath($core->tpl->getPath(), $path . $tplset);
+                dcCore::app()->tpl->setPath(dcCore::app()->tpl->getPath(), $path . $tplset);
             } else {
-                $core->tpl->setPath($core->tpl->getPath(), $path . DC_DEFAULT_TPLSET);
+                dcCore::app()->tpl->setPath(dcCore::app()->tpl->getPath(), $path . DC_DEFAULT_TPLSET);
             }
             self::serveDocument('zcfeeds.html');
         }
@@ -417,19 +413,19 @@ class zcfsTemplate
             switch ($a['sortby']) {
                 case 'name':    $sortby = 'lowername';
 
-break;
+                    break;
                 case 'owner':  $sortby = 'feed_owner';
 
-break;
+                    break;
                 case 'date':   $sortby = 'feed_dt';
 
-break;
+                    break;
                 case 'update': $sortby = 'feed_upddt';
 
-break;
+                    break;
                 case 'id':     $sortby = 'feed_id';
 
-break;
+                    break;
             }
         }
         if (isset($a['order']) && preg_match('/^(desc|asc)$/i', $a['order'])) {
@@ -439,12 +435,12 @@ break;
 
         return
         '<?php ' . $p .
-        '$_ctx->feeds_params = $zcfs_params;' . "\n" .
-        '$zcfs = new zoneclearFeedServer($core);' . "\n" .
-        '$_ctx->feeds = $zcfs->getFeeds($zcfs_params); unset($zcfs_params,$zcfs);' . "\n" .
+        'dcCore::app()->ctx->feeds_params = $zcfs_params;' . "\n" .
+        '$zcfs = new zoneclearFeedServer();' . "\n" .
+        'dcCore::app()->ctx->feeds = $zcfs->getFeeds($zcfs_params); unset($zcfs_params,$zcfs);' . "\n" .
         "?>\n" .
-        '<?php while ($_ctx->feeds->fetch()) : ?>' . $c . '<?php endwhile; ' .
-        '$_ctx->feeds = null; $_ctx->feeds_params = null; ?>';
+        '<?php while (dcCore::app()->ctx->feeds->fetch()) : ?>' . $c . '<?php endwhile; ' .
+        'dcCore::app()->ctx->feeds = null; dcCore::app()->ctx->feeds_params = null; ?>';
     }
 
     public static function FeedIf($a, $c)
@@ -456,50 +452,50 @@ break;
         if (isset($a['type'])) {
             $type = trim($a['type']);
             $type = !empty($type) ? $type : 'feed';
-            $if[] = '$_ctx->feeds->feed_type == "' . addslashes($type) . '"';
+            $if[] = 'dcCore::app()->ctx->feeds->feed_type == "' . addslashes($type) . '"';
         }
         if (isset($a['site_url'])) {
             $url = trim($a['feed_url']);
             if (substr($url, 0, 1) == '!') {
                 $url  = substr($url, 1);
-                $if[] = '$_ctx->feeds->feed_url != "' . addslashes($url) . '"';
+                $if[] = 'dcCore::app()->ctx->feeds->feed_url != "' . addslashes($url) . '"';
             } else {
-                $if[] = '$_ctx->feeds->feed_url == "' . addslashes($url) . '"';
+                $if[] = 'dcCore::app()->ctx->feeds->feed_url == "' . addslashes($url) . '"';
             }
         }
         if (isset($a['feed_url'])) {
             $url = trim($a['feed_feed']);
             if (substr($url, 0, 1) == '!') {
                 $url  = substr($url, 1);
-                $if[] = '$_ctx->feeds->feed_feed != "' . addslashes($url) . '"';
+                $if[] = 'dcCore::app()->ctx->feeds->feed_feed != "' . addslashes($url) . '"';
             } else {
-                $if[] = '$_ctx->feeds->feed_feed == "' . addslashes($url) . '"';
+                $if[] = 'dcCore::app()->ctx->feeds->feed_feed == "' . addslashes($url) . '"';
             }
         }
         if (isset($a['category'])) {
             $category = addslashes(trim($a['category']));
             if (substr($category, 0, 1) == '!') {
                 $category = substr($category, 1);
-                $if[]     = '($_ctx->feeds->cat_url != "' . $category . '")';
+                $if[]     = '(dcCore::app()->ctx->feeds->cat_url != "' . $category . '")';
             } else {
-                $if[] = '($_ctx->feeds->cat_url == "' . $category . '")';
+                $if[] = '(dcCore::app()->ctx->feeds->cat_url == "' . $category . '")';
             }
         }
         if (isset($a['first'])) {
             $sign = (bool) $a['first'] ? '=' : '!';
-            $if[] = '$_ctx->feeds->index() ' . $sign . '= 0';
+            $if[] = 'dcCore::app()->ctx->feeds->index() ' . $sign . '= 0';
         }
         if (isset($a['odd'])) {
             $sign = (bool) $a['odd'] ? '=' : '!';
-            $if[] = '($_ctx->feeds->index()+1)%2 ' . $sign . ' = 1';
+            $if[] = '(dcCore::app()->ctx->feeds->index()+1)%2 ' . $sign . ' = 1';
         }
         if (isset($a['has_category'])) {
             $sign = (bool) $a['has_category'] ? '' : '!';
-            $if[] = $sign . '$_ctx->feeds->cat_id';
+            $if[] = $sign . 'dcCore::app()->ctx->feeds->cat_id';
         }
         if (isset($a['has_description'])) {
             $sign = (bool) $a['has_description'] ? '' : '!';
-            $if[] = $sign . '$_ctx->feeds->feed_desc';
+            $if[] = $sign . 'dcCore::app()->ctx->feeds->feed_desc';
         }
 
         return empty($if) ?
@@ -513,7 +509,7 @@ break;
         $ret = html::escapeHTML($ret);
 
         return
-        '<?php if ($_ctx->feeds->index() == 0) { ' .
+        '<?php if (dcCore::app()->ctx->feeds->index() == 0) { ' .
         "echo '" . addslashes($ret) . "'; } ?>";
     }
 
@@ -523,79 +519,79 @@ break;
         $ret = html::escapeHTML($ret);
 
         return
-        '<?php if (($_ctx->feeds->index()+1)%2 == 1) { ' .
+        '<?php if ((dcCore::app()->ctx->feeds->index()+1)%2 == 1) { ' .
         "echo '" . addslashes($ret) . "'; } ?>";
     }
 
     public static function FeedDesc($a)
     {
-        return self::getValue($a, '$_ctx->feeds->feed_desc');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->feed_desc');
     }
 
     public static function FeedOwner($a)
     {
-        return self::getValue($a, '$_ctx->feeds->feed_owner');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->feed_owner');
     }
 
     public static function FeedCategory($a)
     {
-        return self::getValue($a, '$_ctx->feeds->cat_title');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->cat_title');
     }
 
     public static function FeedCategoryID($a)
     {
-        return self::getValue($a, '$_ctx->feeds->cat_id');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->cat_id');
     }
 
     public static function FeedCategoryURL($a)
     {
-        return self::getValue($a, '$core->blog->url.$core->url->getBase(\'category\').\'/\'.html::sanitizeURL($_ctx->feeds->cat_url)');
+        return self::getValue($a, 'dcCore::app()->blog->url.dcCore::app()->url->getBase(\'category\').\'/\'.html::sanitizeURL(dcCore::app()->ctx->feeds->cat_url)');
     }
 
     public static function FeedCategoryShortURL($a)
     {
-        return self::getValue($a, '$_ctx->feeds->cat_url');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->cat_url');
     }
 
     public static function FeedID($a)
     {
-        return self::getValue($a, '$_ctx->feeds->feed_id');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->feed_id');
     }
 
     public static function FeedLang($a)
     {
-        $f = $GLOBALS['core']->tpl->getFilters($a);
+        $f = dcCore::app()->tpl->getFilters($a);
 
         return empty($a['full']) ?
-            '<?php echo ' . sprintf($f, '$_ctx->feeds->feed_lang') . '; ?>' :
-            '<?php $langs = l10n::getISOcodes(); if (isset($langs[$_ctx->feeds->feed_lang])) { echo ' .
-                sprintf($f, '$langs[$_ctx->feeds->feed_lang]') . '; } else { echo ' .
-                sprintf($f, '$_ctx->feeds->feed_lang') . '; } unset($langs); ?>';
+            '<?php echo ' . sprintf($f, 'dcCore::app()->ctx->feeds->feed_lang') . '; ?>' :
+            '<?php $langs = l10n::getISOcodes(); if (isset($langs[dcCore::app()->ctx->feeds->feed_lang])) { echo ' .
+                sprintf($f, '$langs[dcCore::app()->ctx->feeds->feed_lang]') . '; } else { echo ' .
+                sprintf($f, 'dcCore::app()->ctx->feeds->feed_lang') . '; } unset($langs); ?>';
     }
 
     public static function FeedName($a)
     {
-        return self::getValue($a, '$_ctx->feeds->feed_name');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->feed_name');
     }
 
     public static function FeedSiteURL($a)
     {
-        return self::getValue($a, '$_ctx->feeds->feed_url');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->feed_url');
     }
 
     public static function FeedFeedURL($a)
     {
-        return self::getValue($a, '$_ctx->feeds->feed_feed');
+        return self::getValue($a, 'dcCore::app()->ctx->feeds->feed_feed');
     }
 
     public static function FeedsHeader($a, $c)
     {
-        return '<?php if ($_ctx->feeds->isStart()) : ?>' . $c . '<?php endif; ?>';
+        return '<?php if (dcCore::app()->ctx->feeds->isStart()) : ?>' . $c . '<?php endif; ?>';
     }
 
     public static function FeedsFooter($a, $c)
     {
-        return '<?php if ($_ctx->feeds->isEnd()) : ?>' . $c . '<?php endif; ?>';
+        return '<?php if (dcCore::app()->ctx->feeds->isEnd()) : ?>' . $c . '<?php endif; ?>';
     }
 
     public static function FeedsCount($a)
@@ -615,7 +611,7 @@ break;
         }
 
         return
-        "<?php \$fcount = \$_ctx->feeds->count(); \n" .
+        "<?php \$fcount = dcCore::app()->ctx->feeds->count(); \n" .
         "if (\$fcount == 0) {\n" .
         "  printf(__('" . $none . "'),\$fcount);\n" .
         "} elseif (\$fcount == 1) {\n" .
@@ -642,10 +638,12 @@ break;
         }
 
         return
-        "<?php \$fcount = 0; \$allfeeds = \$_ctx->feeds->zc->getFeeds(); \n" .
+        "<?php \$fcount = 0; \n" .
+        '$zc = new zoneclearFeedServer();' . "\n" .
+        "\$allfeeds = \$zc->getFeeds(); \n" .
         "if (!\$allfeeds->isEmpty()) { \n" .
         ' while ($allfeeds->fetch()) { ' .
-        "  \$fcount += (integer) \$_ctx->feeds->zc->getPostsByFeed(array('feed_id'=>\$allfeeds->feed_id),true)->f(0); " .
+        "  \$fcount += (integer) \$zc->getPostsByFeed(array('feed_id'=>\$allfeeds->feed_id),true)->f(0); " .
         " } \n" .
         "} \n" .
         "if (\$fcount == 0) {\n" .
@@ -674,7 +672,8 @@ break;
         }
 
         return
-        "<?php \$fcount = \$_ctx->feeds->zc->getPostsByFeed(array('feed_id'=>\$_ctx->feeds->feed_id),true)->f(0); \n" .
+        "<?php \$zcfs = new zoneclearFeedServer(); \n" .
+        "\$fcount = \$zc->getPostsByFeed(array('feed_id'=>dcCore::app()->ctx->feeds->feed_id),true)->f(0); \n" .
         "if (\$fcount == 0) {\n" .
         "  printf(__('" . $none . "'),\$fcount);\n" .
         "} elseif (\$fcount == 1) {\n" .
@@ -686,7 +685,7 @@ break;
 
     protected static function getValue($a, $v)
     {
-        return '<?php echo ' . sprintf($GLOBALS['core']->tpl->getFilters($a), $v) . '; ?>';
+        return '<?php echo ' . sprintf(dcCore::app()->tpl->getFilters($a), $v) . '; ?>';
     }
 
     protected static function getOperator($op)
@@ -703,7 +702,7 @@ break;
     }
 }
 
-$core->addBehavior('publicBreadcrumb', ['extZcfeeds', 'publicBreadcrumb']);
+dcCore::app()->addBehavior('publicBreadcrumb', ['extZcfeeds', 'publicBreadcrumb']);
 
 class extZcfeeds
 {
diff --git a/_uninstall.php b/_uninstall.php
index 7954ae5..dec5af0 100644
--- a/_uninstall.php
+++ b/_uninstall.php
@@ -104,7 +104,7 @@ $this->addDirectCallback(
     'delete feeds relations'
 );
 
-function zoneclearfeedServerUninstall($core, $id)
+function zoneclearfeedServerUninstall($id)
 {
     if ($id != 'zoneclearFeedServer') {
         return null;
diff --git a/_widgets.php b/_widgets.php
index 075c203..15f15e3 100644
--- a/_widgets.php
+++ b/_widgets.php
@@ -14,11 +14,11 @@ if (!defined('DC_RC_PATH')) {
     return null;
 }
 
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'initWidgets',
     ['zoneclearFeedServerWidget', 'adminSource']
 );
-$core->addBehavior(
+dcCore::app()->addBehavior(
     'initWidgets',
     ['zoneclearFeedServerWidget', 'adminNumber']
 );
@@ -33,7 +33,7 @@ class zoneclearFeedServerWidget
     /**
      * Widget configuration for sources list.
      *
-     * @param  dcWidget $w dcWidget instance
+     * @param  dcWidgets $w dcWidgets instance
      */
     public static function adminSource($w)
     {
@@ -56,7 +56,7 @@ class zoneclearFeedServerWidget
                [
                    __('Last update') => 'feed_upd_last',
                    __('Name')        => 'lowername',
-                   __('Create date') => 'feed_creadt'
+                   __('Create date') => 'feed_creadt',
                ]
            )
             ->setting(
@@ -66,7 +66,7 @@ class zoneclearFeedServerWidget
                 'combo',
                 [
                     __('Ascending')  => 'asc',
-                    __('Descending') => 'desc'
+                    __('Descending') => 'desc',
                 ]
             )
             ->setting(
@@ -90,7 +90,7 @@ class zoneclearFeedServerWidget
     /**
      * Widget configuration for feeds info.
      *
-     * @param  dcWidget $w dcWidget instance
+     * @param  dcWidgets $w dcWidgets instance
      */
     public static function adminNumber($w)
     {
@@ -148,15 +148,13 @@ class zoneclearFeedServerWidget
      */
     public static function publicSource($w)
     {
-        global $core;
-
         if ($w->offline) {
             return null;
         }
 
-        if (!$core->blog->settings->zoneclearFeedServer->zoneclearFeedServer_active
-            || $w->homeonly == 1 && !$core->url->isHome($core->url->type)
-            || $w->homeonly == 2 && $core->url->isHome($core->url->type)
+        if (!dcCore::app()->blog->settings->zoneclearFeedServer->zoneclearFeedServer_active
+            || $w->homeonly == 1 && !dcCore::app()->url->isHome(dcCore::app()->url->type)
+            || $w->homeonly == 2 && dcCore::app()->url->isHome(dcCore::app()->url->type)
         ) {
             return null;
         }
@@ -168,7 +166,7 @@ class zoneclearFeedServerWidget
         $p['limit']       = abs((int) $w->limit);
         $p['feed_status'] = 1;
 
-        $zc = new zoneclearFeedServer($core);
+        $zc = new zoneclearFeedServer();
         $rs = $zc->getFeeds($p);
 
         if ($rs->isEmpty()) {
@@ -187,10 +185,10 @@ class zoneclearFeedServerWidget
             $i++;
         }
         $pub = '';
-        if ($w->pagelink && $core->blog->settings->zoneclearFeedServer->zoneclearFeedServer_pub_active) {
+        if ($w->pagelink && dcCore::app()->blog->settings->zoneclearFeedServer->zoneclearFeedServer_pub_active) {
             $pub = sprintf(
                 '<p><strong><a href="%s">%s</a></strong></p>',
-                $core->blog->url . $core->url->getBase('zoneclearFeedsPage'),
+                dcCore::app()->blog->url . dcCore::app()->url->getBase('zoneclearFeedsPage'),
                 html::escapeHTML($w->pagelink)
             );
         }
@@ -211,20 +209,18 @@ class zoneclearFeedServerWidget
      */
     public static function publicNumber($w)
     {
-        global $core;
-
         if ($w->offline) {
             return;
         }
 
-        if (!$core->blog->settings->zoneclearFeedServer->zoneclearFeedServer_active
-            || $w->homeonly == 1 && !$core->url->isHome($core->url->type)
-            || $w->homeonly == 2 && $core->url->isHome($core->url->type)
+        if (!dcCore::app()->blog->settings->zoneclearFeedServer->zoneclearFeedServer_active
+            || $w->homeonly == 1 && !dcCore::app()->url->isHome(dcCore::app()->url->type)
+            || $w->homeonly == 2 && dcCore::app()->url->isHome(dcCore::app()->url->type)
         ) {
             return null;
         }
 
-        $zc      = new zoneclearFeedServer($core);
+        $zc      = new zoneclearFeedServer();
         $content = '';
 
         # Feed
@@ -238,10 +234,10 @@ class zoneclearFeedServerWidget
 
             $text = $count ? sprintf(__('one source', '%d sources', $count), $count) : __('no sources');
 
-            if ($core->blog->settings->zoneclearFeedServer->zoneclearFeedServer_pub_active) {
+            if (dcCore::app()->blog->settings->zoneclearFeedServer->zoneclearFeedServer_pub_active) {
                 $text = sprintf(
                     '<a href="%s">%s</a>',
-                    $core->blog->url . $core->url->getBase('zoneclearFeedsPage'),
+                    dcCore::app()->blog->url . dcCore::app()->url->getBase('zoneclearFeedsPage'),
                     $text
                 );
             }
diff --git a/cron-script.php b/cron-script.php
index 261b308..43e9b3b 100644
--- a/cron-script.php
+++ b/cron-script.php
@@ -7,7 +7,7 @@
 
 $opts = getopt('d:c:b:u:h');
 
-function help($status = 0)
+function zchelp($status = 0)
 {
     echo
     "Options: \n" .
@@ -20,7 +20,7 @@ function help($status = 0)
 }
 
 if (isset($opts['h'])) {
-    help();
+    zchelp();
 }
 
 $dc_root = null;
@@ -47,17 +47,17 @@ if (isset($opts['b'])) {
 
 if (!$dc_root || !is_dir($dc_root)) {
     fwrite(STDERR, "DotClear root path is not defined\n\n");
-    help(1);
+    zchelp(1);
 }
 
 if (!$dc_conf || !is_readable($dc_conf)) {
     fwrite(STDERR, "DotClear configuration not found\n\n");
-    help(1);
+    zchelp(1);
 }
 
 if (!$blog_id) {
     fwrite(STDERR, "Blog ID is not defined\n\n");
-    help(1);
+    zchelp(1);
 }
 
 $_SERVER['DC_RC_PATH'] = $dc_conf;
@@ -69,23 +69,23 @@ unset($blog_id);
 require $dc_root . '/inc/prepend.php';
 unset($dc_root);
 
-$core->setBlog(DC_BLOG_ID);
-if ($core->blog->id == null) {
+dcCore::app()->setBlog(DC_BLOG_ID);
+if (dcCore::app()->blog->id == null) {
     fwrite(STDERR, "Blog is not defined\n");
     exit(1);
 }
 
-if (!isset($opts['u']) || !$core->auth->checkUser($opts['u'])) {
+if (!isset($opts['u']) || !dcCore::app()->auth->checkUser($opts['u'])) {
     fwrite(STDERR, "Unable to set user\n");
     exit(1);
 }
 
-$core->plugins->loadModules(DC_PLUGINS_ROOT);
+dcCore::app()->plugins->loadModules(DC_PLUGINS_ROOT);
 
-$core->blog->settings->addNamespace('zoneclearFeedServer');
+dcCore::app()->blog->settings->addNamespace('zoneclearFeedServer');
 
 try {
-    $zc = new zoneclearFeedServer($core);
+    $zc = new zoneclearFeedServer();
     $zc->checkFeedsUpdate();
 } catch (Exception $e) {
     fwrite(STDERR, $e->getMessage() . "\n");
diff --git a/inc/class.zcfs.feedsactions.php b/inc/class.zcfs.feedsactions.php
index 05d7592..5160a32 100644
--- a/inc/class.zcfs.feedsactions.php
+++ b/inc/class.zcfs.feedsactions.php
@@ -10,17 +10,17 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-class zcfsFeedsActionsPage extends dcActionsPage
+class zcfsFeedsActionsPage extends dcActions
 {
     public $zcfs;
 
-    public function __construct(dcCore $core, $uri, $redirect_args = [])
+    public function __construct($uri, $redirect_args = [])
     {
-        $this->zcfs = new zoneclearFeedServer($core);
+        $this->zcfs = new zoneclearFeedServer();
 
-        parent::__construct($core, $uri, $redirect_args);
+        parent::__construct($uri, $redirect_args);
         $this->redirect_fields = [
-            'sortby', 'order', 'page', 'nb'
+            'sortby', 'order', 'page', 'nb',
         ];
         $this->field_entries = 'feeds';
         $this->caller_title  = __('Feeds');
@@ -29,8 +29,8 @@ class zcfsFeedsActionsPage extends dcActionsPage
 
     protected function loadDefaults()
     {
-        zcfsDefaultFeedsActions::zcfsFeedsActionsPage($this->core, $this);
-        $this->core->callBehavior('zcfsFeedsActionsPage', $this->core, $this);
+        zcfsDefaultFeedsActions::zcfsFeedsActionsPage($this);
+        dcCore::app()->callBehavior('zcfsFeedsActionsPage', $this);
     }
 
     public function beginPage($breadcrumb = '', $head = '')
@@ -52,12 +52,12 @@ class zcfsFeedsActionsPage extends dcActionsPage
 
     public function error(Exception $e)
     {
-        $this->core->error->add($e->getMessage());
+        dcCore::app()->error->add($e->getMessage());
         $this->beginPage(
             dcPage::breadcrumb([
-                html::escapeHTML($this->core->blog->name) => '',
-                $this->getCallerTitle()                   => $this->getRedirection(true),
-                __('Feeds actions')                       => ''
+                html::escapeHTML(dcCore::app()->blog->name) => '',
+                $this->getCallerTitle()                     => $this->getRedirection(true),
+                __('Feeds actions')                         => '',
             ])
         );
         $this->endPage();
@@ -74,8 +74,8 @@ class zcfsFeedsActionsPage extends dcActionsPage
             }
             $this->rs = $feeds;
         } else {
-            $this->rs = $this->core->con->select(
-                'SELECT blog_id FROM ' . $this->core->prefix . 'blog WHERE false'
+            $this->rs = dcCore::app()->con->select(
+                'SELECT blog_id FROM ' . dcCore::app()->prefix . 'blog WHERE false'
             );
         }
     }
@@ -89,7 +89,7 @@ class zcfsFeedsActionsPage extends dcActionsPage
  */
 class zcfsDefaultFeedsActions
 {
-    public static function zcfsFeedsActionsPage(dcCore $core, zcfsFeedsActionsPage $ap)
+    public static function zcfsFeedsActionsPage(zcfsFeedsActionsPage $ap)
     {
         $ap->addAction(
             [__('Change category') => 'changecat'],
@@ -125,7 +125,7 @@ class zcfsDefaultFeedsActions
         );
     }
 
-    public static function doEnableFeed(dcCore $core, zcfsFeedsActionsPage $ap, $post)
+    public static function doEnableFeed(zcfsFeedsActionsPage $ap, $post)
     {
         $enable = $ap->getAction() == 'enablefeed';
         $ids    = $ap->getIDs();
@@ -138,7 +138,7 @@ class zcfsDefaultFeedsActions
             $ap->zcfs->enableFeed($id, $enable);
         }
 
-        dcPage::addSuccessNotice(sprintf(
+        dcAdminNotices::addSuccessNotice(sprintf(
             $enable ?
                 __(
                     '%d feed has been successfully enabled.',
@@ -156,14 +156,14 @@ class zcfsDefaultFeedsActions
         $ap->redirect(true);
     }
 
-    public static function doDeletePost(dcCore $core, zcfsFeedsActionsPage $ap, $post)
+    public static function doDeletePost(zcfsFeedsActionsPage $ap, $post)
     {
         $types = [
             'zoneclearfeed_url',
             'zoneclearfeed_author',
             'zoneclearfeed_site',
             'zoneclearfeed_sitename',
-            'zoneclearfeed_id'
+            'zoneclearfeed_id',
         ];
 
         $ids = $ap->getIDs();
@@ -174,26 +174,26 @@ class zcfsDefaultFeedsActions
 
         foreach ($ids as $id) {
             $posts = $ap->zcfs->getPostsByFeed([
-                'feed_id' => $id
+                'feed_id' => $id,
             ]);
 
             while ($posts->fetch()) {
-                $core->blog->delPost($posts->post_id);
-                $core->con->execute(
-                    'DELETE FROM ' . $core->prefix . 'meta ' .
+                dcCore::app()->blog->delPost($posts->post_id);
+                dcCore::app()->con->execute(
+                    'DELETE FROM ' . dcCore::app()->prefix . dcMeta::META_TABLE_NAME . ' ' .
                     'WHERE post_id = ' . $posts->post_id . ' ' .
-                    'AND meta_type ' . $core->con->in($types) . ' '
+                    'AND meta_type ' . dcCore::app()->con->in($types) . ' '
                 );
             }
         }
 
-        dcPage::addSuccessNotice(
+        dcAdminNotices::addSuccessNotice(
             __('Entries have been successfully deleted.')
         );
         $ap->redirect(true);
     }
 
-    public static function doDeleteFeed(dcCore $core, zcfsFeedsActionsPage $ap, $post)
+    public static function doDeleteFeed(zcfsFeedsActionsPage $ap, $post)
     {
         $ids = $ap->getIDs();
 
@@ -205,7 +205,7 @@ class zcfsDefaultFeedsActions
             $ap->zcfs->delFeed($id);
         }
 
-        dcPage::addSuccessNotice(sprintf(
+        dcAdminNotices::addSuccessNotice(sprintf(
             __(
                 '%d feed has been successfully deleted.',
                 '%d feeds have been successfully deleted.',
@@ -216,7 +216,7 @@ class zcfsDefaultFeedsActions
         $ap->redirect(true);
     }
 
-    public static function doUpdateFeed(dcCore $core, zcfsFeedsActionsPage $ap, $post)
+    public static function doUpdateFeed(zcfsFeedsActionsPage $ap, $post)
     {
         $ids = $ap->getIDs();
 
@@ -228,7 +228,7 @@ class zcfsDefaultFeedsActions
             $ap->zcfs->checkFeedsUpdate($id, true);
         }
 
-        dcPage::addSuccessNotice(sprintf(
+        dcAdminNotices::addSuccessNotice(sprintf(
             __(
                 '%d feed has been successfully updated.',
                 '%d feeds have been successfully updated.',
@@ -239,7 +239,7 @@ class zcfsDefaultFeedsActions
         $ap->redirect(true);
     }
 
-    public static function doResetUpdate(dcCore $core, zcfsFeedsActionsPage $ap, $post)
+    public static function doResetUpdate(zcfsFeedsActionsPage $ap, $post)
     {
         $ids = $ap->getIDs();
 
@@ -254,7 +254,7 @@ class zcfsDefaultFeedsActions
             $ap->zcfs->checkFeedsUpdate($id, true);
         }
 
-        dcPage::addSuccessNotice(sprintf(
+        dcAdminNotices::addSuccessNotice(sprintf(
             __(
                 'Last update of %s feed successfully reseted.',
                 'Last update of %s feeds successfully reseted.',
@@ -265,7 +265,7 @@ class zcfsDefaultFeedsActions
         $ap->redirect(true);
     }
 
-    public static function doChangeCategory(dcCore $core, zcfsFeedsActionsPage $ap, $post)
+    public static function doChangeCategory(zcfsFeedsActionsPage $ap, $post)
     {
         if (isset($post['upd_cat_id'])) {
             $ids = $ap->getIDs();
@@ -282,7 +282,7 @@ class zcfsDefaultFeedsActions
                 $ap->zcfs->updFeed($id, $cur);
             }
 
-            dcPage::addSuccessNotice(sprintf(
+            dcAdminNotices::addSuccessNotice(sprintf(
                 __(
                     'Category of %s feed successfully changed.',
                     'Category of %s feeds successfully changed.',
@@ -293,15 +293,15 @@ class zcfsDefaultFeedsActions
             $ap->redirect(true);
         } else {
             $categories_combo = dcAdminCombos::getCategoriesCombo(
-                $core->blog->getCategories()
+                dcCore::app()->blog->getCategories()
             );
 
             $ap->beginPage(
                 dcPage::breadcrumb([
-                    html::escapeHTML($core->blog->name)      => '',
-                    __('Feeds server')                       => '',
-                    $ap->getCallerTitle()                    => $ap->getRedirection(true),
-                    __('Change category for this selection') => ''
+                    html::escapeHTML(dcCore::app()->blog->name) => '',
+                    __('Feeds server')                          => '',
+                    $ap->getCallerTitle()                       => $ap->getRedirection(true),
+                    __('Change category for this selection')    => '',
                 ])
             );
 
@@ -310,7 +310,7 @@ class zcfsDefaultFeedsActions
             $ap->getCheckboxes() .
             '<p><label for="upd_cat_id" class="classic">' . __('Category:') . '</label> ' .
             form::combo(['upd_cat_id'], $categories_combo, '') .
-            $core->formNonce() .
+            dcCore::app()->formNonce() .
             $ap->getHiddenFields() .
             form::hidden(['action'], 'changecat') .
             '<input type="submit" value="' . __('Save') . '" /></p>' .
@@ -320,7 +320,7 @@ class zcfsDefaultFeedsActions
         }
     }
 
-    public static function doChangeInterval(dcCore $core, zcfsFeedsActionsPage $ap, $post)
+    public static function doChangeInterval(zcfsFeedsActionsPage $ap, $post)
     {
         if (isset($post['upd_upd_int'])) {
             $ids = $ap->getIDs();
@@ -337,7 +337,7 @@ class zcfsDefaultFeedsActions
                 $ap->zcfs->updFeed($id, $cur);
             }
 
-            dcPage::addSuccessNotice(sprintf(
+            dcAdminNotices::addSuccessNotice(sprintf(
                 __(
                     'Update frequency of %s feed successfully changed.',
                     'Update frequency of %s feeds successfully changed.',
@@ -350,10 +350,10 @@ class zcfsDefaultFeedsActions
             $ap->beginPage(
                 dcPage::breadcrumb(
                     [
-                        html::escapeHTML($core->blog->name)              => '',
+                        html::escapeHTML(dcCore::app()->blog->name)      => '',
                         __('Feeds server')                               => '',
                         $ap->getCallerTitle()                            => $ap->getRedirection(true),
-                        __('Change update frequency for this selection') => ''
+                        __('Change update frequency for this selection') => '',
                     ]
                 )
             );
@@ -363,7 +363,7 @@ class zcfsDefaultFeedsActions
             $ap->getCheckboxes() .
             '<p><label for="upd_upd_int" class="classic">' . __('Frequency:') . '</label> ' .
             form::combo(['upd_upd_int'], $ap->zcfs->getAllUpdateInterval(), '') .
-            $core->formNonce() .
+            dcCore::app()->formNonce() .
             $ap->getHiddenFields() .
             form::hidden(['action'], 'changeint') .
             '<input type="submit" value="' . __('Save') . '" /></p>' .
diff --git a/inc/class.zoneclear.feed.server.php b/inc/class.zoneclear.feed.server.php
index 68bb72b..4e150a3 100644
--- a/inc/class.zoneclear.feed.server.php
+++ b/inc/class.zoneclear.feed.server.php
@@ -25,23 +25,20 @@ class zoneclearFeedServer
     public static $nethttp_agent       = 'zoneclearFeedServer - http://zoneclear.org';
     public static $nethttp_maxredirect = 2;
 
-    public $core;
     public $con;
     private $blog;
     private $table;
     private $lock = null;
+    private $user = null;
 
     /**
      * Constructor.
-     *
-     * @param dcCore $core dcCore instance
      */
-    public function __construct(dcCore $core)
+    public function __construct()
     {
-        $this->core  = $core;
-        $this->con   = $core->con;
-        $this->blog  = $core->con->escape($core->blog->id);
-        $this->table = $core->prefix . 'zc_feed';
+        $this->con   = dcCore::app()->con;
+        $this->blog  = dcCore::app()->con->escape(dcCore::app()->blog->id);
+        $this->table = dcCore::app()->prefix . 'zc_feed';
     }
 
     /**
@@ -87,7 +84,7 @@ class zoneclearFeedServer
         }
 
         # --BEHAVIOR-- zoneclearFeedServerAfterUpdFeed
-        $this->core->callBehavior('zoneclearFeedServerAfterUpdFeed', $cur, $id);
+        dcCore::app()->callBehavior('zoneclearFeedServerAfterUpdFeed', $cur, $id);
     }
 
     /**
@@ -117,7 +114,7 @@ class zoneclearFeedServer
         }
 
         # --BEHAVIOR-- zoneclearFeedServerAfterAddFeed
-        $this->core->callBehavior('zoneclearFeedServerAfterAddFeed', $cur);
+        dcCore::app()->callBehavior('zoneclearFeedServerAfterAddFeed', $cur);
 
         return $cur->feed_id;
     }
@@ -161,7 +158,7 @@ class zoneclearFeedServer
         }
 
         # --BEHAVIOR-- zoneclearFeedServerAfterEnableFeed
-        $this->core->callBehavior('zoneclearFeedServerAfterEnableFeed', $id, $enable, $time);
+        dcCore::app()->callBehavior('zoneclearFeedServerAfterEnableFeed', $id, $enable, $time);
     }
 
     #
@@ -179,7 +176,7 @@ class zoneclearFeedServer
         }
 
         # --BEHAVIOR-- zoneclearFeedServerBeforeDelFeed
-        $this->core->callBehavior('zoneclearFeedServerBeforeDelFeed', $id);
+        dcCore::app()->callBehavior('zoneclearFeedServerBeforeDelFeed', $id);
 
         $this->con->execute(sprintf(
             "DELETE FROM %s WHERE feed_id = %s AND blog_id = '%s' ",
@@ -195,7 +192,7 @@ class zoneclearFeedServer
      *
      * @param  array   $params     Query params
      * @param  boolean $count_only Return only result count
-     * @return record              record instance
+     * @return null|dcRecord              record instance
      */
     public function getPostsByFeed($params = [], $count_only = false)
     {
@@ -203,10 +200,11 @@ class zoneclearFeedServer
             return null;
         }
 
-        $sql = new dcSelectStatement($this->core, 'zcfs');
-        $sql->join((new dcJoinStatement($this->core, 'zcfs'))
+        $sql = new dcSelectStatement();
+        $sql->join(
+            (new dcJoinStatement())
                    ->type('LEFT')
-                   ->from($this->core->prefix . 'meta F')
+                   ->from(dcCore::app()->prefix . dcMeta::META_TABLE_NAME . ' F')
                    ->on('P.post_id = F.post_id')
                    ->statement()
         );
@@ -217,7 +215,7 @@ class zoneclearFeedServer
 
         unset($params['feed_id']);
 
-        return $this->core->blog->getPosts($params, $count_only, $sql);
+        return dcCore::app()->blog->getPosts($params, $count_only, $sql);
     }
 
     /**
@@ -225,7 +223,7 @@ class zoneclearFeedServer
      *
      * @param  array   $params     Query params
      * @param  boolean $count_only Return only result count
-     * @return record              record instance
+     * @return dcRecord              record instance
      */
     public function getFeeds($params = [], $count_only = false)
     {
@@ -249,7 +247,7 @@ class zoneclearFeedServer
         }
 
         $strReq .= 'FROM ' . $this->table . ' Z ' .
-        'LEFT OUTER JOIN ' . $this->core->prefix . 'category C ON Z.cat_id = C.cat_id ';
+        'LEFT OUTER JOIN ' . dcCore::app()->prefix . 'category C ON Z.cat_id = C.cat_id ';
 
         if (!empty($params['from'])) {
             $strReq .= $params['from'] . ' ';
@@ -304,7 +302,6 @@ class zoneclearFeedServer
         }
 
         $rs     = $this->con->select($strReq);
-        $rs->zc = $this;
 
         return $rs;
     }
@@ -312,7 +309,7 @@ class zoneclearFeedServer
     /**
      * Get next table id.
      *
-     * @return record record instance
+     * @return integer  Next id
      */
     private function getNextId()
     {
@@ -409,9 +406,9 @@ class zoneclearFeedServer
             return false;
         }
 
-        dt::setTZ($this->core->blog->settings->system->blog_timezone);
+        dt::setTZ(dcCore::app()->blog->settings->system->blog_timezone);
         $time = time();
-        $s    = $this->core->blog->settings->zoneclearFeedServer;
+        $s    = dcCore::app()->blog->settings->zoneclearFeedServer;
 
         # All feeds or only one (from admin)
         $f = !$id ?
@@ -435,13 +432,13 @@ class zoneclearFeedServer
         }
         $i = 0;
 
-        $cur_post = $this->con->openCursor($this->core->prefix . 'post');
-        $cur_meta = $this->con->openCursor($this->core->prefix . 'meta');
+        $cur_post = $this->con->openCursor(dcCore::app()->prefix . dcBlog::POST_TABLE_NAME);
+        $cur_meta = $this->con->openCursor(dcCore::app()->prefix . dcMeta::META_TABLE_NAME);
 
         while ($f->fetch()) {
             # Check if feed need update
             if ($id || $i < $limit && $f->feed_status == 1
-                && $time > $f->feed_upd_last + $f->feed_upd_int
+                                   && $time > $f->feed_upd_last + $f->feed_upd_int
             ) {
                 $i++;
                 $feed = self::readFeed($f->feed_feed);
@@ -501,8 +498,8 @@ class zoneclearFeedServer
                         # Check if entry exists
                         $old_post = $this->con->select(
                             'SELECT P.post_id, P.post_status ' .
-                            'FROM ' . $this->core->prefix . 'post P ' .
-                            'INNER JOIN ' . $this->core->prefix . 'meta M ' .
+                            'FROM ' . dcCore::app()->prefix . dcBlog::POST_TABLE_NAME . ' P ' .
+                            'INNER JOIN ' . dcCore::app()->prefix . dcMeta::META_TABLE_NAME . ' M ' .
                             'ON P.post_id = M.post_id ' .
                             "WHERE blog_id='" . $this->blog . "' " .
                             "AND meta_type = 'zoneclearfeed_url' " .
@@ -516,6 +513,7 @@ class zoneclearFeedServer
                             $cur_post->cat_id = $f->cat_id;
                         }
                         $post_content           = $item->content ? $item->content : $item->description;
+                        $cur_post->post_format  = 'xhtml';
                         $cur_post->post_content = html::absoluteURLs($post_content, $feed->link);
                         $cur_post->post_title   = $item->title ? $item->title : text::cutString(html::clean($cur_post->post_content), 60);
                         $creator                = $item->creator ? $item->creator : $f->feed_owner;
@@ -524,25 +522,25 @@ class zoneclearFeedServer
                             # Create entry
                             if ($old_post->isEmpty()) {
                                 # Post
-                                $cur_post->user_id           = $this->core->auth->userID();
+                                $cur_post->user_id           = dcCore::app()->auth->userID();
                                 $cur_post->post_format       = 'xhtml';
                                 $cur_post->post_status       = (int) $s->zoneclearFeedServer_post_status_new;
                                 $cur_post->post_open_comment = 0;
                                 $cur_post->post_open_tb      = 0;
 
                                 # --BEHAVIOR-- zoneclearFeedServerBeforePostCreate
-                                $this->core->callBehavior(
+                                dcCore::app()->callBehavior(
                                     'zoneclearFeedServerBeforePostCreate',
                                     $cur_post
                                 );
 
-                                $post_id = $this->core->auth->sudo(
-                                    [$this->core->blog, 'addPost'],
+                                $post_id = dcCore::app()->auth->sudo(
+                                    [dcCore::app()->blog, 'addPost'],
                                     $cur_post
                                 );
 
                                 # --BEHAVIOR-- zoneclearFeedServerAfterPostCreate
-                                $this->core->callBehavior(
+                                dcCore::app()->callBehavior(
                                     'zoneclearFeedServerAfterPostCreate',
                                     $cur_post,
                                     $post_id
@@ -553,38 +551,39 @@ class zoneclearFeedServer
                                     $is_new_published_entry = true;
                                 }
 
-                                # Update entry
+                            # Update entry
                             } else {
                                 $post_id = $old_post->post_id;
 
                                 # --BEHAVIOR-- zoneclearFeedServerBeforePostUpdate
-                                $this->core->callBehavior(
+                                dcCore::app()->callBehavior(
                                     'zoneclearFeedServerBeforePostUpdate',
                                     $cur_post,
                                     $post_id
                                 );
 
-                                $this->core->auth->sudo(
-                                    [$this->core->blog, 'updPost'],
+                                dcCore::app()->auth->sudo(
+                                    [dcCore::app()->blog, 'updPost'],
                                     $post_id,
                                     $cur_post
                                 );
 
                                 # Quick delete old meta
                                 $this->con->execute(
-                                    'DELETE FROM ' . $this->core->prefix . 'meta ' .
+                                    'DELETE FROM ' . dcCore::app()->prefix . dcMeta::META_TABLE_NAME . ' ' .
                                     'WHERE post_id = ' . $post_id . ' ' .
                                     "AND meta_type LIKE 'zoneclearfeed_%' "
                                 );
+
                                 # Delete old tags
-                                $this->core->auth->sudo(
-                                    [$this->core->meta, 'delPostMeta'],
+                                dcCore::app()->auth->sudo(
+                                    [dcCore::app()->meta, 'delPostMeta'],
                                     $post_id,
                                     'tag'
                                 );
 
                                 # --BEHAVIOR-- zoneclearFeedServerAfterPostUpdate
-                                $this->core->callBehavior(
+                                dcCore::app()->callBehavior(
                                     'zoneclearFeedServerAfterPostUpdate',
                                     $cur_post,
                                     $post_id
@@ -598,64 +597,68 @@ class zoneclearFeedServer
                             $cur_meta->clean();
                             $cur_meta->post_id   = $post_id;
                             $cur_meta->meta_type = 'zoneclearfeed_url';
-                            $cur_meta->meta_id   = $meta->url   = $item_link;
+                            $cur_meta->meta_id   = $meta->url = $item_link;
                             $cur_meta->insert();
 
                             $cur_meta->clean();
                             $cur_meta->post_id   = $post_id;
                             $cur_meta->meta_type = 'zoneclearfeed_author';
-                            $cur_meta->meta_id   = $meta->author   = $creator;
+                            $cur_meta->meta_id   = $meta->author = $creator;
                             $cur_meta->insert();
 
                             $cur_meta->clean();
                             $cur_meta->post_id   = $post_id;
                             $cur_meta->meta_type = 'zoneclearfeed_site';
-                            $cur_meta->meta_id   = $meta->site   = $f->feed_url;
+                            $cur_meta->meta_id   = $meta->site = $f->feed_url;
                             $cur_meta->insert();
 
                             $cur_meta->clean();
                             $cur_meta->post_id   = $post_id;
                             $cur_meta->meta_type = 'zoneclearfeed_sitename';
-                            $cur_meta->meta_id   = $meta->sitename   = $f->feed_name;
+                            $cur_meta->meta_id   = $meta->sitename = $f->feed_name;
                             $cur_meta->insert();
 
                             $cur_meta->clean();
                             $cur_meta->post_id   = $post_id;
                             $cur_meta->meta_type = 'zoneclearfeed_id';
-                            $cur_meta->meta_id   = $meta->id   = $f->feed_id;
+                            $cur_meta->meta_id   = $meta->id = $f->feed_id;
                             $cur_meta->insert();
 
                             # Add new tags
-                            $tags = $this->core->meta->splitMetaValues($f->feed_tags);
+                            $tags = dcCore::app()->meta->splitMetaValues($f->feed_tags);
                             if ($f->feed_get_tags) {
-
                                 # Some feed subjects contains more than one tag
                                 foreach ($item->subject as $subjects) {
-                                    $tmp  = $this->core->meta->splitMetaValues($subjects);
+                                    $tmp  = dcCore::app()->meta->splitMetaValues($subjects);
                                     $tags = array_merge($tags, $tmp);
                                 }
                                 $tags = array_unique($tags);
                             }
                             $formated_tags = [];
                             foreach ($tags as $tag) {
-
                                 # Change tags case
                                 switch ((int) $s->zoneclearFeedServer_tag_case) {
                                     case 3: $tag = strtoupper($tag);
 
-break;
+                                        break;
                                     case 2: $tag = strtolower($tag);
 
-break;
+                                        break;
                                     case 1: $tag = ucfirst(strtolower($tag));
 
-break;
+                                        break;
                                     default: /* do nothing */                 break;
                                 }
                                 if (!in_array($tag, $formated_tags)) {
                                     $formated_tags[] = $tag;
-                                    $this->core->auth->sudo(
-                                        [$this->core->meta, 'setPostMeta'],
+                                    dcCore::app()->auth->sudo(
+                                        [dcCore::app()->meta, 'delPostMeta'],
+                                        $post_id,
+                                        'tag',
+                                        dcMeta::sanitizeMetaID($tag)
+                                    );
+                                    dcCore::app()->auth->sudo(
+                                        [dcCore::app()->meta, 'setPostMeta'],
                                         $post_id,
                                         'tag',
                                         dcMeta::sanitizeMetaID($tag)
@@ -665,9 +668,8 @@ break;
                             $meta->tags = $formated_tags;
 
                             # --BEHAVIOR-- zoneclearFeedServerAfterFeedUpdate
-                            $this->core->callBehavior(
+                            dcCore::app()->callBehavior(
                                 'zoneclearFeedServerAfterFeedUpdate',
-                                $this->core,
                                 $is_new_published_entry,
                                 $cur_post,
                                 $meta
@@ -700,13 +702,15 @@ break;
     {
         # Enable
         if ($enable) {
-            if (!$this->core->auth->checkUser($enable)) {
+            $this->user = dcCore::app()->auth->userID();
+            if (!dcCore::app()->auth->checkUser($enable)) {
                 throw new Exception('Unable to set user');
             }
-            # Disable
+        # Disable
         } else {
-            $this->core->auth = null;
-            $this->core->auth = new dcAuth($this->core);
+            dcCore::app()->auth = null;
+            dcCore::app()->auth = new dcAuth();
+            dcCore::app()->auth->checkUser($this->user);
         }
     }
 
@@ -736,7 +740,7 @@ break;
      */
     private function trigger()
     {
-        $this->core->blog->triggerBlog();
+        dcCore::app()->blog->triggerBlog();
     }
 
     /**
@@ -794,7 +798,7 @@ break;
     {
         return [
             __('Disabled') => '0',
-            __('Enabled')  => '1'
+            __('Enabled')  => '1',
         ];
     }
 
@@ -811,7 +815,7 @@ break;
             __('Two times per day') => 43200,
             __('Every day')         => 86400,
             __('Every two days')    => 172800,
-            __('Every week')        => 604800
+            __('Every week')        => 604800,
         ];
     }
 
@@ -827,7 +831,7 @@ break;
         # Get super admins
         $rs = $this->con->select(
             'SELECT user_id, user_super, user_name, user_firstname, user_displayname ' .
-            'FROM ' . $this->con->escapeSystem($this->core->prefix . 'user') . ' ' .
+            'FROM ' . $this->con->escapeSystem(dcCore::app()->prefix . 'user') . ' ' .
             'WHERE user_super = 1 AND user_status = 1 '
         );
 
@@ -846,8 +850,8 @@ break;
         # Get admins
         $rs = $this->con->select(
             'SELECT U.user_id, U.user_super, U.user_name, U.user_firstname, U.user_displayname ' .
-            'FROM ' . $this->con->escapeSystem($this->core->prefix . 'user') . ' U ' .
-            'LEFT JOIN ' . $this->con->escapeSystem($this->core->prefix . 'permissions') . ' P ' .
+            'FROM ' . $this->con->escapeSystem(dcCore::app()->prefix . 'user') . ' U ' .
+            'LEFT JOIN ' . $this->con->escapeSystem(dcCore::app()->prefix . 'permissions') . ' P ' .
             'ON U.user_id=P.user_id ' .
             'WHERE U.user_status = 1 ' .
             "AND P.blog_id = '" . $this->blog . "' " .
@@ -872,15 +876,14 @@ break;
     /**
      * Get list of urls where entries could be hacked.
      *
-     * @param  dcCore $core dcCore instance
      * @return array        List of names/types of URLs
      */
-    public static function getPublicUrlTypes(dcCore $core)
+    public static function getPublicUrlTypes()
     {
         $types = [];
 
         # --BEHAVIOR-- zoneclearFeedServerPublicUrlTypes
-        $core->callBehavior('zoneclearFeedServerPublicUrlTypes', $types);
+        dcCore::app()->callBehavior('zoneclearFeedServerPublicUrlTypes', $types);
 
         $types[__('Home page')]      = 'default';
         $types[__('Entries pages')]  = 'post';
@@ -900,8 +903,7 @@ break;
      */
     public static function tweakurlsAfterPostCreate(cursor $cur, $id)
     {
-        global $core;
         $cur->post_url = tweakUrls::tweakBlogURL($cur->post_url);
-        $core->auth->sudo([$core->blog, 'updPost'], $id, $cur);
+        dcCore::app()->auth->sudo([dcCore::app()->blog, 'updPost'], $id, $cur);
     }
 }
diff --git a/inc/lib.zcfs.activityreport.php b/inc/lib.zcfs.activityreport.php
index 729c674..684ba6f 100644
--- a/inc/lib.zcfs.activityreport.php
+++ b/inc/lib.zcfs.activityreport.php
@@ -15,13 +15,13 @@ if (!defined('DC_RC_PATH')) {
 }
 
 # This file is used with plugin activityReport
-$core->activityReport->addGroup(
+dcCore::app()->activityReport->addGroup(
     'zoneclearFeedServer',
     __('Plugin zoneclearFeedServer')
 );
 
 # from BEHAVIOR zoneclearFeedServerAfterAddFeed in zoneclearFeedServer/inc/class.zoneclear.feed.server.php
-$core->activityReport->addAction(
+dcCore::app()->activityReport->addAction(
     'zoneclearFeedServer',
     'create',
     __('feed creation'),
@@ -30,7 +30,7 @@ $core->activityReport->addAction(
     ['zoneclearFeedServerActivityReportBehaviors', 'addFeed']
 );
 # from BEHAVIOR zoneclearFeedServerAfterUpdFeed in in zoneclearFeedServer/inc/class.zoneclear.feed.server.php
-$core->activityReport->addAction(
+dcCore::app()->activityReport->addAction(
     'zoneclearFeedServer',
     'updatefeedinfo',
     __('updating feed info'),
@@ -39,7 +39,7 @@ $core->activityReport->addAction(
     ['zoneclearFeedServerActivityReportBehaviors', 'updFeedInfo']
 );
 # from BEHAVIOR zoneclearFeedServerAfterUpdFeed in in zoneclearFeedServer/inc/class.zoneclear.feed.server.php
-$core->activityReport->addAction(
+dcCore::app()->activityReport->addAction(
     'zoneclearFeedServer',
     'updatefeedrecords',
     __('updating feed records'),
@@ -48,7 +48,7 @@ $core->activityReport->addAction(
     ['zoneclearFeedServerActivityReportBehaviors', 'updFeedRecord']
 );
 # from BEHAVIOR zoneclearFeedServerAfterDelFeed in in zoneclearFeedServer/inc/class.zoneclear.feed.server.php
-$core->activityReport->addAction(
+dcCore::app()->activityReport->addAction(
     'zoneclearFeedServer',
     'delete',
     __('feed deletion'),
@@ -57,7 +57,7 @@ $core->activityReport->addAction(
     ['zoneclearFeedServerActivityReportBehaviors', 'delFeed']
 );
 # from BEHAVIOR zoneclearFeedServerAfterEnableFeed in in zoneclearFeedServer/inc/class.zoneclear.feed.server.php
-$core->activityReport->addAction(
+dcCore::app()->activityReport->addAction(
     'zoneclearFeedServer',
     'status',
     __('feed status'),
@@ -70,15 +70,13 @@ class zoneclearFeedServerActivityReportBehaviors
 {
     public static function addFeed($cur)
     {
-        global $core;
-
         $logs = [
             $cur->feed_name,
             $cur->feed_feed,
-            $core->auth->getInfo('user_cn')
+            dcCore::app()->auth->getInfo('user_cn'),
         ];
 
-        $core->activityReport->addLog(
+        dcCore::app()->activityReport->addLog(
             'zoneclearFeedServer',
             'create',
             $logs
@@ -88,17 +86,16 @@ class zoneclearFeedServerActivityReportBehaviors
     public static function updFeedInfo($cur, $id)
     {
         if (defined('DC_CONTEXT_ADMIN')) {
-            global $core;
-            $zc = new zoneclearFeedServer($core);
+            $zc = new zoneclearFeedServer();
             $rs = $zc->getFeeds(['feed_id' => $id]);
 
             $logs = [
                 $rs->feed_name,
                 $rs->feed_feed,
-                $core->auth->getInfo('user_cn')
+                dcCore::app()->auth->getInfo('user_cn'),
             ];
 
-            $core->activityReport->addLog(
+            dcCore::app()->activityReport->addLog(
                 'zoneclearFeedServer',
                 'updatefeedinfo',
                 $logs
@@ -109,15 +106,14 @@ class zoneclearFeedServerActivityReportBehaviors
     public static function updFeedRecord($cur, $id)
     {
         if (!defined('DC_CONTEXT_ADMIN')) {
-            global $core;
-            $zc = new zoneclearFeedServer($core);
+            $zc = new zoneclearFeedServer();
             $rs = $zc->getFeeds(['feed_id' => $id]);
 
             $logs = [
-                $rs->feed_name
+                $rs->feed_name,
             ];
 
-            $core->activityReport->addLog(
+            dcCore::app()->activityReport->addLog(
                 'zoneclearFeedServer',
                 'updatefeedrecords',
                 $logs
@@ -127,18 +123,16 @@ class zoneclearFeedServerActivityReportBehaviors
 
     public static function delFeed($id)
     {
-        global $core;
-
-        $zc = new zoneclearFeedServer($core);
+        $zc = new zoneclearFeedServer();
         $rs = $zc->getFeeds(['feed_id' => $id]);
 
         $logs = [
             $rs->feed_name,
             $rs->feed_feed,
-            $core->auth->getInfo('user_cn')
+            dcCore::app()->auth->getInfo('user_cn'),
         ];
 
-        $core->activityReport->addLog(
+        dcCore::app()->activityReport->addLog(
             'zoneclearFeedServer',
             'delete',
             $logs
@@ -147,18 +141,16 @@ class zoneclearFeedServerActivityReportBehaviors
 
     public static function enableFeed($id, $enable, $time)
     {
-        global $core;
-
-        $zc = new zoneclearFeedServer($core);
+        $zc = new zoneclearFeedServer();
         $rs = $zc->getFeeds(['feed_id' => $id]);
 
         $logs = [
             $rs->feed_name,
             $rs->feed_feed,
-            $enable ? 'enable' : 'disable'
+            $enable ? 'enable' : 'disable',
         ];
 
-        $core->activityReport->addLog(
+        dcCore::app()->activityReport->addLog(
             'zoneclearFeedServer',
             'status',
             $logs
diff --git a/inc/lib.zcfs.list.php b/inc/lib.zcfs.list.php
index 1eea806..0c5b107 100644
--- a/inc/lib.zcfs.list.php
+++ b/inc/lib.zcfs.list.php
@@ -22,6 +22,8 @@ if (!defined('DC_CONTEXT_ADMIN')) {
  */
 class zcfsFeedsList extends adminGenericList
 {
+    private $zc = null;
+
     public function feedsDisplay($page, $nb_per_page, $enclose_block = '', $filter = false)
     {
         if ($this->rs->isEmpty()) {
@@ -31,8 +33,9 @@ class zcfsFeedsList extends adminGenericList
                 echo '<p><strong>' . __('No feeds') . '</strong></p>';
             }
         } else {
-            $pager   = new dcPager($page, $this->rs_count, $nb_per_page, 10);
-            $entries = [];
+            $this->zc = new zoneclearFeedServer();
+            $pager    = new dcPager($page, $this->rs_count, $nb_per_page, 10);
+            $entries  = [];
             if (isset($_REQUEST['feeds'])) {
                 foreach ($_REQUEST['feeds'] as $v) {
                     $entries[(int) $v] = true;
@@ -52,11 +55,11 @@ class zcfsFeedsList extends adminGenericList
                 'period'  => '<th scope="col">' . __('Frequency') . '</th>',
                 'update'  => '<th scope="col">' . __('Last update') . '</th>',
                 'entries' => '<th scope="col">' . __('Entries') . '</th>',
-                'status'  => '<th scope="col">' . __('Status') . '</th>'
+                'status'  => '<th scope="col">' . __('Status') . '</th>',
             ];
             $cols = new ArrayObject($cols);
 
-            $this->core->callBehavior('adminZcfsFeedsListHeader', $this->core, $this->rs, $cols);
+            dcCore::app()->callBehavior('adminZcfsFeedsListHeader', $this->rs, $cols);
 
             $this->userColumns('zcfs_feeds', $cols);
 
@@ -89,7 +92,7 @@ class zcfsFeedsList extends adminGenericList
             '<img src="images/check-on.png" alt="enable" />' :
             '<img src="images/check-off.png" alt="disable" />';
 
-        $entries_count = $this->rs->zc->getPostsByFeed(['feed_id' => $this->rs->feed_id], true)->f(0);
+        $entries_count = $this->zc->getPostsByFeed(['feed_id' => $this->rs->feed_id], true)->f(0);
         $shunk_feed    = $this->rs->feed_feed;
         if (strlen($shunk_feed) > 83) {
             $shunk_feed = substr($shunk_feed, 0, 50) . '...' . substr($shunk_feed, -20);
@@ -114,7 +117,7 @@ class zcfsFeedsList extends adminGenericList
                 (
                     $this->rs->feed_upd_last < 1 ?
                     __('never') :
-                    dt::str(__('%Y-%m-%d %H:%M'), $this->rs->feed_upd_last, $this->rs->zc->core->auth->getInfo('user_tz'))
+                    dt::str(__('%Y-%m-%d %H:%M'), (int) $this->rs->feed_upd_last, dcCore::app()->auth->getInfo('user_tz'))
                 ) . '</td>',
             'entries' => '<td class="nowrap minimal count">' .
                 (
@@ -122,11 +125,11 @@ class zcfsFeedsList extends adminGenericList
                     '<a href="' . $url . '#entries" title="' . __('View entries') . '">' . $entries_count . '</a>' :
                     $entries_count
                 ) . '</td>',
-            'status' => '<td class="nowrap minimal status">' . $status . '</td>'
+            'status' => '<td class="nowrap minimal status">' . $status . '</td>',
         ];
 
         $cols = new ArrayObject($cols);
-        $this->core->callBehavior('adminZcfsFeedsListValue', $this->core, $this->rs, $cols);
+        dcCore::app()->callBehavior('adminZcfsFeedsListValue', $this->rs, $cols);
 
         $this->userColumns('zcfs_feeds', $cols);
 
@@ -177,11 +180,11 @@ class zcfsEntriesList extends adminGenericList
                 'date'     => '<th scope="col">' . __('Date') . '</th>',
                 'author'   => '<th scope="col">' . __('Author') . '</th>',
                 'category' => '<th scope="col">' . __('Category') . '</th>',
-                'status'   => '<th scope="col">' . __('Status') . '</th>'
+                'status'   => '<th scope="col">' . __('Status') . '</th>',
             ];
 
             $cols = new ArrayObject($cols);
-            $this->core->callBehavior('adminZcfsPostListHeader', $this->core, $this->rs, $cols);
+            dcCore::app()->callBehavior('adminZcfsPostListHeader', $this->rs, $cols);
 
             $this->userColumns('zcfs_entries', $cols);
 
@@ -197,7 +200,7 @@ class zcfsEntriesList extends adminGenericList
             echo $blocks[0];
 
             while ($this->rs->fetch()) {
-                echo $this->postLine(isset($entries[$this->rs->post_id]));
+                echo $this->postLine();
             }
 
             echo $blocks[1];
@@ -208,7 +211,7 @@ class zcfsEntriesList extends adminGenericList
 
     private function postLine()
     {
-        $cat_link = $this->core->auth->check('categories', $this->core->blog->id) ?
+        $cat_link = dcCore::app()->auth->check('categories', dcCore::app()->blog->id) ?
             '<a href="category.php?id=%s" title="' . __('Edit category') . '">%s</a>'
             : '%2$s';
 
@@ -249,17 +252,17 @@ class zcfsEntriesList extends adminGenericList
             'check' => '<td class="nowrap minimal">' .
                 form::checkbox(['entries[]'], $this->rs->post_id, '', '', '', !$this->rs->isEditable()) . '</td>',
             'title' => '<td scope="row" class="maximal"><a href="' .
-                $this->core->getPostAdminURL($this->rs->post_type, $this->rs->post_id) . '" ' .
+                dcCore::app()->getPostAdminURL($this->rs->post_type, $this->rs->post_id) . '" ' .
                 'title="' . html::escapeHTML($this->rs->getURL()) . '">' .
                 html::escapeHTML(trim(html::clean($this->rs->post_title))) . '</a></td>',
             'date'     => '<td class="nowrap count">' . dt::dt2str(__('%Y-%m-%d %H:%M'), $this->rs->post_dt) . '</td>',
             'author'   => '<td class="nowrap">' . html::escapeHTML($this->rs->user_id) . '</td>',
             'category' => '<td class="nowrap">' . $cat_title . '</td>',
-            'status'   => '<td class="nowrap status">' . $img_status . '</td>'
+            'status'   => '<td class="nowrap status">' . $img_status . '</td>',
         ];
 
         $cols = new ArrayObject($cols);
-        $this->core->callBehavior('adminZcfsPostListValue', $this->core, $this->rs, $cols);
+        dcCore::app()->callBehavior('adminZcfsPostListValue', $this->rs, $cols);
 
         $this->userColumns('zcfs_entries', $cols);
 
@@ -278,20 +281,20 @@ class zcfsEntriesList extends adminGenericList
  */
 class adminZcfsPostFilter extends adminGenericFilter
 {
-    public function __construct(dcCore $core)
+    public function __construct()
     {
-        parent::__construct($core, 'zcfs_entries');
+        parent::__construct(dcCore::app(), 'zcfs_entries');
 
         $filters = new arrayObject([
             dcAdminFilters::getPageFilter(),
             $this->getPostUserFilter(),
             $this->getPostCategoriesFilter(),
             $this->getPostStatusFilter(),
-            $this->getPostMonthFilter()
+            $this->getPostMonthFilter(),
         ]);
 
         # --BEHAVIOR-- adminPostFilter
-        $core->callBehavior('adminZcfsPostFilter', $core, $filters);
+        dcCore::app()->callBehavior('adminZcfsPostFilter', $filters);
 
         $filters = $filters->getArrayCopy();
 
@@ -306,12 +309,12 @@ class adminZcfsPostFilter extends adminGenericFilter
         $users = null;
 
         try {
-            $users = $this->core->blog->getPostsUsers();
+            $users = dcCore::app()->blog->getPostsUsers();
             if ($users->isEmpty()) {
                 return null;
             }
         } catch (Exception $e) {
-            $this->core->error->add($e->getMessage());
+            dcCore::app()->error->add($e->getMessage());
 
             return null;
         }
@@ -337,19 +340,19 @@ class adminZcfsPostFilter extends adminGenericFilter
         $categories = null;
 
         try {
-            $categories = $this->core->blog->getCategories();
+            $categories = dcCore::app()->blog->getCategories();
             if ($categories->isEmpty()) {
                 return null;
             }
         } catch (Exception $e) {
-            $this->core->error->add($e->getMessage());
+            dcCore::app()->error->add($e->getMessage());
 
             return null;
         }
 
         $combo = [
             '-'            => '',
-            __('(No cat)') => 'NULL'
+            __('(No cat)') => 'NULL',
         ];
         while ($categories->fetch()) {
             $combo[
@@ -387,12 +390,12 @@ class adminZcfsPostFilter extends adminGenericFilter
         $dates = null;
 
         try {
-            $dates = $this->core->blog->getDates(['type' => 'month']);
+            $dates = dcCore::app()->blog->getDates(['type' => 'month']);
             if ($dates->isEmpty()) {
                 return null;
             }
         } catch (Exception $e) {
-            $this->core->error->add($e->getMessage());
+            dcCore::app()->error->add($e->getMessage());
 
             return null;
         }
diff --git a/index.php b/index.php
index d6bf22b..406d7a8 100644
--- a/index.php
+++ b/index.php
@@ -14,14 +14,14 @@ if (!defined('DC_CONTEXT_ADMIN')) {
     return null;
 }
 
-if ($core->getVersion('zoneclearFeedServer') != $core->plugins->moduleInfo('zoneclearFeedServer', 'version')
+if (dcCore::app()->getVersion('zoneclearFeedServer') != dcCore::app()->plugins->moduleInfo('zoneclearFeedServer', 'version')
 ) {
     return null;
 }
 
 dcPage::check('admin');
 
-$zcfs = new zoneclearFeedServer($core);
+$zcfs = new zoneclearFeedServer();
 
 ############################################################
 #
@@ -37,7 +37,7 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
     $feed_tweeter  = '';
     $feed_url      = '';
     $feed_feed     = '';
-    $feed_lang     = $core->auth->getInfo('user_lang');
+    $feed_lang     = dcCore::app()->auth->getInfo('user_lang');
     $feed_tags     = '';
     $feed_get_tags = '0';
     $feed_cat_id   = '';
@@ -46,8 +46,8 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
 
     $can_view_page = true;
 
-    $feed_headlink = '<link rel="%s" title="%s" href="' . $p_url . '&amp;part=feed&amp;feed_id=%s" />';
-    $feed_link     = '<a href="' . $p_url . '&amp;part=feed&amp;feed_id=%s" title="%s">%s</a>';
+    $feed_headlink = '<link rel="%s" title="%s" href="' . dcCore::app()->admin->getPageURL() . '&amp;part=feed&amp;feed_id=%s" />';
+    $feed_link     = '<a href="' . dcCore::app()->admin->getPageURL() . '&amp;part=feed&amp;feed_id=%s" title="%s">%s</a>';
 
     $next_link = $prev_link = $next_headlink = $prev_headlink = null;
 
@@ -58,7 +58,7 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
     $combo_categories = ['-' => ''];
 
     try {
-        $categories = $core->blog->getCategories(['post_type' => 'post']);
+        $categories = dcCore::app()->blog->getCategories(['post_type' => 'post']);
         while ($categories->fetch()) {
             $combo_categories[
                 str_repeat('&nbsp;&nbsp;', $categories->level - 1) .
@@ -66,7 +66,7 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
             ] = $categories->cat_id;
         }
     } catch (Exception $e) {
-        $core->error->add($e->getMessage());
+        dcCore::app()->error->add($e->getMessage());
     }
 
     # Get entry informations
@@ -74,7 +74,7 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
         $feed = $zcfs->getFeeds(['feed_id' => $_REQUEST['feed_id']]);
 
         if ($feed->isEmpty()) {
-            $core->error->add(__('This feed does not exist.'));
+            dcCore::app()->error->add(__('This feed does not exist.'));
             $can_view_page = false;
         } else {
             $feed_id       = $feed->feed_id;
@@ -93,12 +93,12 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
 
             $next_params = [
                 'sql'   => 'AND feed_id < ' . $feed_id . ' ',
-                'limit' => 1
+                'limit' => 1,
             ];
             $next_rs     = $zcfs->getFeeds($next_params);
             $prev_params = [
                 'sql'   => 'AND feed_id > ' . $feed_id . ' ',
-                'limit' => 1
+                'limit' => 1,
             ];
             $prev_rs = $zcfs->getFeeds($prev_params);
 
@@ -170,16 +170,16 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
             if (!zoneclearFeedServer::validateURL($feed_feed)) {
                 throw new Exception(__('You must provide valid feed URL.'));
             }
-            $get_feed_cat_id = $core->blog->getCategory($feed_cat_id);
+            $get_feed_cat_id = dcCore::app()->blog->getCategory($feed_cat_id);
             if ($feed_cat_id != '' && !$get_feed_cat_id) {
                 throw new Exception(__('You must provide valid category.'));
             }
         } catch (Exception $e) {
-            $core->error->add($e->getMessage());
+            dcCore::app()->error->add($e->getMessage());
         }
     }
 
-    if (!empty($_POST['action']) && $_POST['action'] == 'savefeed' && !$core->error->flag()) {
+    if (!empty($_POST['action']) && $_POST['action'] == 'savefeed' && !dcCore::app()->error->flag()) {
         $cur                = $zcfs->openCursor();
         $cur->feed_name     = $feed_name;
         $cur->feed_desc     = $feed_desc;
@@ -198,42 +198,42 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
         if ($feed_id) {
             try {
                 # --BEHAVIOR-- adminBeforeZoneclearFeedServerFeedUpdate
-                $core->callBehavior('adminBeforeZoneclearFeedServerFeedUpdate', $cur, $feed_id);
+                dcCore::app()->callBehavior('adminBeforeZoneclearFeedServerFeedUpdate', $cur, $feed_id);
 
                 $zcfs->updFeed($feed_id, $cur);
 
                 # --BEHAVIOR-- adminAfterZoneclearFeedServerFeedUpdate
-                $core->callBehavior('adminAfterZoneclearFeedServerFeedUpdate', $cur, $feed_id);
+                dcCore::app()->callBehavior('adminAfterZoneclearFeedServerFeedUpdate', $cur, $feed_id);
 
-                dcPage::addSuccessNotice(
+                dcAdminNotices::addSuccessNotice(
                     __('Feed successfully updated.')
                 );
-                $core->adminurl->redirect(
+                dcCore::app()->adminurl->redirect(
                     'admin.plugin.zoneclearFeedServer',
                     ['part' => 'feed', 'feed_id' => $feed_id]
                 );
             } catch (Exception $e) {
-                $core->error->add($e->getMessage());
+                dcCore::app()->error->add($e->getMessage());
             }
         } else {
             try {
                 # --BEHAVIOR-- adminBeforeZoneclearFeedServerFeedCreate
-                $core->callBehavior('adminBeforeZoneclearFeedServerFeedCreate', $cur);
+                dcCore::app()->callBehavior('adminBeforeZoneclearFeedServerFeedCreate', $cur);
 
                 $return_id = $zcfs->addFeed($cur);
 
                 # --BEHAVIOR-- adminAfterZoneclearFeedServerFeedCreate
-                $core->callBehavior('adminAfterZoneclearFeedServerFeedCreate', $cur, $return_id);
+                dcCore::app()->callBehavior('adminAfterZoneclearFeedServerFeedCreate', $cur, $return_id);
 
-                dcPage::addSuccessNotice(
+                dcAdminNotices::addSuccessNotice(
                     __('Feed successfully created.')
                 );
-                $core->adminurl->redirect(
+                dcCore::app()->adminurl->redirect(
                     'admin.plugin.zoneclearFeedServer',
                     ['part' => 'feed', 'feed_id' => $return_id]
                 );
             } catch (Exception $e) {
-                $core->error->add($e->getMessage());
+                dcCore::app()->error->add($e->getMessage());
             }
         }
     }
@@ -241,14 +241,13 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
     # Prepared entries list
     if ($feed_id && $can_view_page) {
         # action
-        $posts_actions_page = new dcPostsActionsPage(
-            $core,
+        $posts_actions_page = new dcPostsActions(
             'plugin.php',
             [
                 'p'       => 'zoneclearFeedServer',
                 'part'    => 'feed',
                 'feed_id' => $feed_id,
-                '_ANCHOR' => 'entries'
+                '_ANCHOR' => 'entries',
             ]
         );
         if ($posts_actions_page->process()) {
@@ -256,7 +255,7 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
         }
 
         # filters
-        $post_filter = new adminZcfsPostFilter($core);
+        $post_filter = new adminZcfsPostFilter();
         $post_filter->add('part', 'feed');
         $post_filter->add('feed_id', $feed_id);
         $params = $post_filter->params();
@@ -266,15 +265,15 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
             // key in sorty_combo (see above) => field in SQL request
             'post_title' => 'post_title',
             'cat_title'  => 'cat_title',
-            'user_id'    => 'P.user_id'];
+            'user_id'    => 'P.user_id', ];
 
         # --BEHAVIOR-- adminPostsSortbyLexCombo
-        $core->callBehavior('adminPostsSortbyLexCombo', [& $sortby_lex]);
+        dcCore::app()->callBehavior('adminPostsSortbyLexCombo', [& $sortby_lex]);
 
         $params['no_content'] = true;
         $params['feed_id']    = $feed_id;
         $params['order']      = (array_key_exists($post_filter->sortby, $sortby_lex) ?
-            $core->con->lexFields($sortby_lex[$post_filter->sortby]) :
+            dcCore::app()->con->lexFields($sortby_lex[$post_filter->sortby]) :
             $post_filter->sortby) . ' ' . $post_filter->order;
 
         # posts
@@ -282,34 +281,34 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
             $posts     = $zcfs->getPostsByFeed($params);
             $counter   = $zcfs->getPostsByFeed($params, true);
             $post_list = new zcfsEntriesList(
-                $core,
+                dcCore::app(),
                 $posts,
                 $counter->f(0)
             );
         } catch (Exception $e) {
-            $core->error->add($e->getMessage());
+            dcCore::app()->error->add($e->getMessage());
         }
     }
 
     # display
     echo
     '<html><head><title>' . __('Feeds server') . '</title>' .
-    ($feed_id && !$core->error->flag() ?
-        $post_filter->js($core->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feed', 'feed_id' => $feed_id], '&') . '#entries') .
+    ($feed_id && !dcCore::app()->error->flag() ?
+        $post_filter->js(dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feed', 'feed_id' => $feed_id], '&') . '#entries') .
         dcPage::jsLoad(dcPage::getPF('zoneclearFeedServer/js/list.js'))
     : '') .
     dcPage::jsPageTabs() .
     $next_headlink . "\n" . $prev_headlink .
 
     # --BEHAVIOR-- adminZoneclearFeedServerHeader
-    $core->callBehavior('adminZoneclearFeedServerHeader', $core) .
+    dcCore::app()->callBehavior('adminZoneclearFeedServerHeader') .
 
     '</head><body>' .
 
     dcPage::breadcrumb([
         __('Plugins')                                 => '',
-        __('Feeds server')                            => $p_url,
-        ($feed_id ? __('Edit feed') : __('New feed')) => ''
+        __('Feeds server')                            => dcCore::app()->admin->getPageURL(),
+        ($feed_id ? __('Edit feed') : __('New feed')) => '',
     ]) .
     dcPage::notices() .
     ($feed_id ? '<h3>' . sprintf(__('Edit feed "%s"'), $feed_name) . '</h3>' : '');
@@ -379,7 +378,7 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
         '</p>' .
 
         # --BEHAVIOR-- adminZoneclearFeedServerFeedForm
-        $core->callBehavior('adminZoneclearFeedServerFeedForm', $core, $feed_id) .
+        dcCore::app()->callBehavior('adminZoneclearFeedServerFeedForm', $feed_id) .
 
         '</div>' .
 
@@ -412,27 +411,27 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
 
         '<p class="clear">
         <input type="submit" name="save" value="' . __('Save') . ' (s)" accesskey="s"/>' .
-        $core->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', [
+        dcCore::app()->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', [
             'part'    => 'feed',
             'feed_id' => $feed_id,
-            'action'  => 'savefeed'
+            'action'  => 'savefeed',
         ]) .
-        $core->formNonce() .
+        dcCore::app()->formNonce() .
         '</p>
         </form>
         </div>';
     }
 
     # entries
-    if ($feed_id && $can_view_page && !$core->error->flag()) {
+    if ($feed_id && $can_view_page && !dcCore::app()->error->flag()) {
         echo '<div class="multi-part" title="' . __('Entries') . '" id="entries">';
 
         # show filters
         $post_filter->display(
             ['admin.plugin.zoneclearFeedServer','#entries'],
-            $core->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', [
+            dcCore::app()->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', [
                 'part'    => 'feed',
-                'feed_id' => $feed_id
+                'feed_id' => $feed_id,
             ])
         );
 
@@ -445,8 +444,8 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
         $post_list->display(
             $post_filter->page,
             $post_filter->nb,
-            $core->adminurl->get('admin.plugin.zoneclearFeedServer', $args, '&') . '#entries',
-            '<form action="' . $core->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feed']) . '#entries" method="post" id="form-entries">' .
+            dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer', $args, '&') . '#entries',
+            '<form action="' . dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feed']) . '#entries" method="post" id="form-entries">' .
             '%s' .
 
             '<div class="two-cols">' .
@@ -455,9 +454,9 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
             '<p class="col right">' . __('Selected entries action:') . ' ' .
             form::combo('action', $posts_actions_page->getCombo()) .
             '<input type="submit" name="save" value="' . __('ok') . '" /></p>' .
-            $core->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', $post_filter->values()) .
-            form::hidden('redir', $core->adminurl->get('admin.plugin.zoneclearFeedServer', $post_filter->values())) .
-            $core->formNonce() .
+            dcCore::app()->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', $post_filter->values()) .
+            form::hidden('redir', dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer', $post_filter->values())) .
+            dcCore::app()->formNonce() .
             '</div>' .
             '</form>',
             $post_filter->show()
@@ -466,7 +465,7 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
         echo '</div>';
     }
 
-    ############################################################
+############################################################
 #
 # All feeds
 #
@@ -474,7 +473,6 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
 } else {
     # actions
     $feeds_actions_page = new zcfsFeedsActionsPage(
-        $core,
         'plugin.php',
         ['p' => 'zoneclearFeedServer', 'part' => 'feeds']
     );
@@ -483,7 +481,7 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
     }
 
     # filters
-    $feeds_filter = new adminGenericFilter($core, 'zcfs_feeds');
+    $feeds_filter = new adminGenericFilter(dcCore::app(), 'zcfs_feeds');
     $feeds_filter->add('part', 'feeds');
     $feeds_filter->add(dcAdminFilters::getPageFilter());
     $feeds_filter->add(dcAdminFilters::getSearchFilter());
@@ -494,53 +492,53 @@ if (isset($_REQUEST['part']) && $_REQUEST['part'] == 'feed') {
         $feeds         = $zcfs->getFeeds($params);
         $feeds_counter = $zcfs->getFeeds($params, true)->f(0);
         $feeds_list    = new zcfsFeedsList(
-            $core,
+            dcCore::app(),
             $feeds,
             $feeds_counter
         );
     } catch (Exception $e) {
-        $core->error->add($e->getMessage());
+        dcCore::app()->error->add($e->getMessage());
     }
 
     # display
     echo
     '<html><head><title>' . __('Feeds server') . '</title>' .
-    $feeds_filter->js($core->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feeds'], '&')) .
+    $feeds_filter->js(dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feeds'], '&')) .
     dcPage::jsLoad(dcPage::getPF('zoneclearFeedServer/js/list.js')) .
     dcPage::jsPageTabs() .
 
     # --BEHAVIOR-- adminZoneclearFeedServerHeader
-    $core->callBehavior('adminZoneclearFeedServerHeader', $core) .
+    dcCore::app()->callBehavior('adminZoneclearFeedServerHeader') .
 
     '</head><body>' .
 
     dcPage::breadcrumb([
         __('Plugins')      => '',
-        __('Feeds server') => ''
+        __('Feeds server') => '',
     ]) .
     dcPage::notices() .
 
     '<p class="top-add">' .
-    '<a class="button add" href="' . $core->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feed']) . '">' .
+    '<a class="button add" href="' . dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feed']) . '">' .
     __('New feed') . '</a></p>';
 
     $feeds_filter->display(
         'admin.plugin.zoneclearFeedServer',
-        $core->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', ['part', 'feeds'])
+        dcCore::app()->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', ['part' => 'feeds'])
     );
 
     $feeds_list->feedsDisplay(
         $feeds_filter->page,
         $feeds_filter->nb,
-        '<form action="' . $core->adminurl->get('admin.plugin.zoneclearFeedServer', ['part', 'feeds']) . '" method="post" id="form-actions">' .
+        '<form action="' . dcCore::app()->adminurl->get('admin.plugin.zoneclearFeedServer', ['part' => 'feeds']) . '" method="post" id="form-actions">' .
         '%s' .
         '<div class="two-cols">' .
         '<p class="col checkboxes-helpers"></p>' .
         '<p class="col right">' . __('Selected feeds action:') . ' ' .
         form::combo(['action'], $feeds_actions_page->getCombo()) .
         '<input type="submit" value="' . __('ok') . '" />' .
-        $core->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', $feeds_filter->values(true)) .
-        $core->formNonce() .
+        dcCore::app()->adminurl->getHiddenFormFields('admin.plugin.zoneclearFeedServer', $feeds_filter->values(true)) .
+        dcCore::app()->formNonce() .
         '</p>' .
         '</div>' .
         '</form>',