diff --git a/src/Backend.php b/src/Backend.php
index 4507d60..e8f2897 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -39,11 +39,12 @@ class Backend extends Process
                 'adminPostHeaders'          => BackendBehaviors::adminPostHeaders(...),
                 'adminPostFormItems'        => BackendBehaviors::adminPostFormItems(...),
                 'adminAfterPostUpdate'      => BackendBehaviors::adminAfterPostUpdate(...), // update existing short url
-                'adminAfterPostUpdate'      => BackendBehaviors::adminAfterPostCreate(...), // create new short url
                 'adminAfterPostCreate'      => BackendBehaviors::adminAfterPostCreate(...),
                 'adminBeforePostDelete'     => BackendBehaviors::adminBeforePostDelete(...),
                 'adminPostsActions'         => BackendBehaviors::adminPostsActions(...),
             ]);
+            // hate duplicate key!
+            App::behavior()->addBehavior('adminAfterPostUpdate', BackendBehaviors::adminAfterPostCreate(...)); // create new short url
         }
 
         App::behavior()->addBehaviors([
diff --git a/src/BackendBehaviors.php b/src/BackendBehaviors.php
index 71063b4..a3233ac 100644
--- a/src/BackendBehaviors.php
+++ b/src/BackendBehaviors.php
@@ -51,6 +51,9 @@ class BackendBehaviors
         );
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $cols
+     */
     public static function adminColumnsListsV2(ArrayObject $cols): void
     {
         $cols[My::id()] = [
@@ -63,6 +66,9 @@ class BackendBehaviors
         ];
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $sorts
+     */
     public static function adminFiltersListsV2(ArrayObject $sorts): void
     {
         $sorts[My::id()] = [
@@ -79,12 +85,15 @@ class BackendBehaviors
         return My::jsLoad('posts');
     }
 
+    /**
+     * @param   ArrayObject<string, mixed>   $main_items
+     * @param   ArrayObject<string, mixed>   $sidebar_items
+     */
     public static function adminPostFormItems(ArrayObject $main_items, ArrayObject $sidebar_items, ?MetaRecord $post): void
     {
         $s = My::settings();
 
         if (!$s->get('active')
-            || !$s->get('active')
             || null === ($kut = Utils::quickPlace('admin'))
         ) {
             return;
@@ -114,7 +123,7 @@ class BackendBehaviors
                         ->for('kutrl_create'),
                 ]);
 
-            if ($kut->allow_custom_hash) {
+            if ($kut->get('allow_custom_hash')) {
                 $items[] = (new Para())
                     ->class('classic')
                     ->items([
@@ -136,7 +145,7 @@ class BackendBehaviors
             } else {
                 $title = sprintf(__('followed %s times'), $count);
             }
-            $href = $kut->url_base . $rs->hash;
+            $href = $kut->get('url_base') . $rs->hash;
 
             $items[] = (new Para())
                 ->items([
@@ -199,11 +208,15 @@ class BackendBehaviors
 
             $kut->remove($old_post_url);
 
-            $rs  = $kut->hash($new_post_url, '');//$custom); // better to update (not yet implemented)
-            $url = $kut->url_base . $rs->hash;
+            if (false === ($rs = $kut->hash($new_post_url, ''))) {
+                ;//$custom); // better to update (not yet implemented)
+
+                return;
+            }
+            $url = $kut->get('url_base') . $rs->hash;
 
             # ex: Send new url to messengers
-            if (!empty($rs)) {
+            if (!$rs->isEmpty()) {
                 App::behavior()->callBehavior('adminAfterKutrlCreate', $rs, $title);
             }
         }
@@ -224,14 +237,16 @@ class BackendBehaviors
         }
         $title = Html::escapeHTML($rs->post_title);
 
-        $custom = !empty($_POST['kutrl_create_custom']) && $kut->allow_custom_hash ?
+        $custom = !empty($_POST['kutrl_create_custom']) && $kut->get('allow_custom_hash') ?
             $_POST['kutrl_create_custom'] : null;
 
-        $rs  = $kut->hash($rs->getURL(), $custom);
-        $url = $kut->url_base . $rs->hash;
+        if (false === ($rs = $kut->hash($rs->getURL(), $custom))) {
+            return;
+        }
+        $url = $kut->get('url_base') . $rs->hash;
 
         # ex: Send new url to messengers
-        if (!empty($rs)) {
+        if (!$rs->isEmpty()) {
             App::behavior()->callBehavior('adminAfterKutrlCreate', $rs, $title);
         }
     }
@@ -269,6 +284,9 @@ class BackendBehaviors
         );
     }
 
+    /**
+     * @param   ArrayObject<int|string, int|string>   $post
+     */
     public static function callbackCreate(ActionsPosts $pa, ArrayObject $post): void
     {
         # No entry
@@ -296,6 +314,9 @@ class BackendBehaviors
         $pa->redirect(true);
     }
 
+    /**
+     * @param   ArrayObject<int|string, int|string>   $post
+     */
     public static function callbackDelete(ActionsPosts $pa, ArrayObject $post): void
     {
         # No entry
diff --git a/src/Combo.php b/src/Combo.php
index 1050e7b..060679a 100644
--- a/src/Combo.php
+++ b/src/Combo.php
@@ -33,8 +33,11 @@ class Combo
     {
         $services_combo = [];
         foreach (Utils::getServices() as $service_id => $service) {
-            $o                            = new $service();
-            $services_combo[__($o->name)] = $o->id;
+            if (!is_subclass_of($service, Service::class)) {
+                continue;
+            }
+            $o                                   = new $service();
+            $services_combo[__($o->get('name'))] = $o->get('id');
         }
         if ($with_none) {
             $services_combo = array_merge([__('Disabled') => ''], $services_combo);
diff --git a/src/Config.php b/src/Config.php
index e29b78d..3a2cc31 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -82,8 +82,10 @@ class Config extends Process
 
                 # services
                 foreach (Utils::getServices() as $service_id => $service) {
-                    $o = new $service();
-                    $o->saveSettings();
+                    if (is_subclass_of($service, Service::class)) {
+                        $o = new $service();
+                        $o->saveSettings();
+                    }
                 }
 
                 App::blog()->triggerBlog();
@@ -148,37 +150,40 @@ class Config extends Process
 
         $i_config = [];
         foreach (Utils::getServices() as $service_id => $service) {
+            if (!is_subclass_of($service, Service::class)) {
+                continue;
+            }
             $o = new $service();
 
             $s_items = [];
 
             if (!empty($_REQUEST['chk'])) {
-                $img_chk = $img_red . ' ' . sprintf(__('Failed to test %s API.'), $o->name);
+                $img_chk = $img_red . ' ' . sprintf(__('Failed to test %s API.'), $o->get('name'));
 
                 try {
                     if ($o->testService()) {
-                        $img_chk = $img_green . ' ' . sprintf(__('%s API is well configured and runing.'), $o->name);
+                        $img_chk = $img_green . ' ' . sprintf(__('%s API is well configured and runing.'), $o->get('name'));
                     }
                 } catch (Exception $e) {
-                    App::error()->add(sprintf(__('Failed to test service %s: %s'), $o->name, $e->getMessage()));
+                    App::error()->add(sprintf(__('Failed to test service %s: %s'), $o->get('name'), $e->getMessage()));
                 }
                 $s_items[] = (new Text(null, sprintf('<p><em>%s</em></p>', $img_chk) . $o->error->toHTML()));
             }
 
-            if ($o->home != '') {
+            if ($o->get('home') != '') {
                 $s_items[] = (new Para())
                     ->items([
                         (new Link())
-                            ->href($o->home)
+                            ->href($o->get('home'))
                             ->title(__('homepage'))
-                            ->text(sprintf(__('Learn more about %s.'), $o->name)),
+                            ->text(sprintf(__('Learn more about %s.'), $o->get('name'))),
                     ]);
             }
 
             $i_config[] = (new Text('hr'));
             $i_config[] = (new Div('settings-' . $service_id))
                 ->items([
-                    (new Text('h5', $o->name)),
+                    (new Text('h5', $o->get('name'))),
                     ... $s_items,
                     $o->settingsForm(),
                 ]);
diff --git a/src/FrontendBehaviors.php b/src/FrontendBehaviors.php
index dd992ba..8e4a16d 100644
--- a/src/FrontendBehaviors.php
+++ b/src/FrontendBehaviors.php
@@ -17,7 +17,11 @@ use Dotclear\Helper\Html\Html;
  */
 class FrontendBehaviors
 {
-    # Disable URL shoretning on filtered tag
+    /**
+     * Disable URL shoretning on filtered tag.
+     *
+     * @param   ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function templateBeforeValueV2(string $tag, ArrayObject $attr): ?string
     {
         if (!empty($attr['disable_kutrl']) && in_array($tag, My::USED_TAGS)) {
@@ -27,7 +31,11 @@ class FrontendBehaviors
         return null;
     }
 
-    # Re unable it after tag
+    /**
+     * Re unable it after tag.
+     *
+     * @param   ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function templateAfterValueV2(string $tag, ArrayObject $attr): ?string
     {
         if (!empty($attr['disable_kutrl']) && in_array($tag, My::USED_TAGS)) {
@@ -37,7 +45,11 @@ class FrontendBehaviors
         return null;
     }
 
-    # Replace long urls on the fly (on filter) for default tags
+    /**
+     * Replace long urls on the fly (on filter) for default tags.
+     *
+     * @param   array<int|string, mixed>  $args   The attributes
+     */
     public static function publicBeforeContentFilterV2(string $tag, array $args): ?string
     {
         # Unknow tag
@@ -66,6 +78,8 @@ class FrontendBehaviors
                 }
             }
         }
+
+        return null;
     }
 
     public static function publicBeforeDocumentV2(): void
@@ -85,7 +99,7 @@ class FrontendBehaviors
         App::frontend()->context()->kutrl = $kut;
     }
 
-    public static function publicHeadContent($_): void
+    public static function publicHeadContent(): void
     {
         $css = My::settings()->get('srv_local_css');
         if (!empty($css)) {
diff --git a/src/FrontendTemplate.php b/src/FrontendTemplate.php
index 90db5ff..7994c9d 100644
--- a/src/FrontendTemplate.php
+++ b/src/FrontendTemplate.php
@@ -16,6 +16,9 @@ use Dotclear\App;
  */
 class FrontendTemplate
 {
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function pageURL(ArrayObject$attr): string
     {
         $f = App::frontend()->template()->getFilters($attr);
@@ -23,6 +26,9 @@ class FrontendTemplate
         return '<?php echo ' . sprintf($f, 'App::blog()->url().App::url()->getBase("kutrl")') . '; ?>';
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function pageIf(ArrayObject $attr, string $content): string
     {
         $operator = isset($attr['operator']) ? App::frontend()->template()->getOperator($attr['operator']) : '&&';
@@ -41,6 +47,9 @@ class FrontendTemplate
         "<?php endif; unset(\$s);?>\n";
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function pageMsgIf(ArrayObject$attr, string $content): string
     {
         $operator = isset($attr['operator']) ? App::frontend()->template()->getOperator($attr['operator']) : '&&';
@@ -59,16 +68,25 @@ class FrontendTemplate
         "<?php endif; ?>\n";
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function pageMsg(ArrayObject$attr): string
     {
         return '<?php echo App::frontend()->context()->kutrl_msg; ?>';
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function humanField(ArrayObject $attr): string
     {
         return "<?php echo sprintf(__('Confirm by writing \"%s\" in next field:'),App::frontend()->context()->kutrl_hmf); ?>";
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function humanFieldProtect(ArrayObject $attr): string
     {
         return
@@ -76,69 +94,107 @@ class FrontendTemplate
         '<?php echo App::nonce()->getFormNonce(); ?>';
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function AttachmentKutrlIf(ArrayObject$attr, string $content): string
     {
         return self::genericKutrlIf('$attach_f->file_url', $attr, $content);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function AttachmentKutrl(ArrayObject $attr): string
     {
         return self::genericKutrl('$attach_f->file_url', $attr);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function MediaKutrlIf(ArrayObject$attr, string $content): string
     {
         return self::genericKutrlIf('App::frontend()->context()->file_url', $attr, $content);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function MediaKutrl(ArrayObject $attr): string
     {
         return self::genericKutrl('App::frontend()->context()->file_url', $attr);
     }
-
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function EntryAuthorKutrlIf(ArrayObject$attr, string $content): string
     {
         return self::genericKutrlIf('App::frontend()->context()->posts->user_url', $attr, $content);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function EntryAuthorKutrl(ArrayObject $attr): string
     {
         return self::genericKutrl('App::frontend()->context()->posts->user_url', $attr);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function EntryKutrlIf(ArrayObject $attr, string $content): string
     {
         return self::genericKutrlIf('App::frontend()->context()->posts->getURL()', $attr, $content);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function EntryKutrl(ArrayObject $attr): string
     {
         return self::genericKutrl('App::frontend()->context()->posts->getURL()', $attr);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function CommentAuthorKutrlIf(ArrayObject $attr, string $content): string
     {
         return self::genericKutrlIf('App::frontend()->context()->comments->getAuthorURL()', $attr, $content);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function CommentAuthorKutrl(ArrayObject $attr): string
     {
         return self::genericKutrl('App::frontend()->context()->comments->getAuthorURL()', $attr);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function CommentPostKutrlIf(ArrayObject $attr, string $content): string
     {
         return self::genericKutrlIf('App::frontend()->context()->comments->getPostURL()', $attr, $content);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     public static function CommentPostKutrl(ArrayObject $attr): string
     {
         return self::genericKutrl('App::frontend()->context()->comments->getPostURL()', $attr);
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     protected static function genericKutrlIf(string $str, ArrayObject $attr, string $content): string
     {
-        $operator = isset($attr['operator']) ? App::fontend()->template()->getOperator($attr['operator']) : '&&';
+        $operator = isset($attr['operator']) ? App::frontend()->template()->getOperator($attr['operator']) : '&&';
 
         if (isset($attr['is_active'])) {
             $sign = (bool) $attr['is_active'] ? '' : '!';
@@ -162,6 +218,9 @@ class FrontendTemplate
         "<?php endif; ?>\n";
     }
 
+    /**
+     * @param      ArrayObject<string, mixed>  $attr   The attributes
+     */
     protected static function genericKutrl(string $str, ArrayObject $attr): string
     {
         $f = App::frontend()->template()->getFilters($attr);
diff --git a/src/FrontendUrl.php b/src/FrontendUrl.php
index fdb52c8..389a27f 100644
--- a/src/FrontendUrl.php
+++ b/src/FrontendUrl.php
@@ -24,11 +24,9 @@ class FrontendUrl extends Url
         # Not active, go to default 404
         if (!My::settings()->get('active')) {
             self::p404();
-
-            return;
         }
         # Not a valid url, go to kutrl 404
-        if (!preg_match('#^(|(/(.*?)))$#', $args, $m)) {
+        if (!preg_match('#^(|(/(.*?)))$#', (string) $args, $m)) {
             self::kutrl404();
 
             return;
@@ -83,8 +81,6 @@ class FrontendUrl extends Url
         # Not active, go to default 404
         if (!$s->get('active')) {
             self::p404();
-
-            return;
         }
         # Public page not active, go to kutrl 404
         if (!$s->get('srv_local_public')) {
@@ -99,11 +95,9 @@ class FrontendUrl extends Url
             $hmfu = !empty($_POST['hmfp']) ? FrontendUtils::unprotect($_POST['hmfp']) : '?';
 
             $err = false;
-            if (!$err) {
-                if ($hmf != $hmfu) {
-                    $err                                  = true;
-                    App::frontend()->context()->kutrl_msg = __('Failed to verify protected field.');
-                }
+            if ($hmf != $hmfu) {
+                $err                                  = true;
+                App::frontend()->context()->kutrl_msg = __('Failed to verify protected field.');
             }
             if (!$err) {
                 if (!$kut->testService()) {
@@ -131,7 +125,7 @@ class FrontendUrl extends Url
             }
 
             if (!$err) {
-                if (!$kut->allow_external_url && !$kut->isBlogUrl($url)) {
+                if (!$kut->get('allow_external_url') && !$kut->isBlogUrl($url)) {
                     $err                                  = true;
                     App::frontend()->context()->kutrl_msg = __('Short links are limited to this blog URL.');
                 }
@@ -147,7 +141,7 @@ class FrontendUrl extends Url
                     $err = true;
 
                     $url     = $rs->url;
-                    $new_url = $kut->url_base . $rs->hash;
+                    $new_url = $kut->get('url_base') . $rs->hash;
 
                     App::frontend()->context()->kutrl_msg = sprintf(
                         __('Short link for %s is %s'),
@@ -162,7 +156,7 @@ class FrontendUrl extends Url
                     App::frontend()->context()->kutrl_msg = __('Failed to create short link.');
                 } else {
                     $url     = $rs->url;
-                    $new_url = $kut->url_base . $rs->hash;
+                    $new_url = $kut->get('url_base') . $rs->hash;
 
                     App::frontend()->context()->kutrl_msg = sprintf(
                         __('Short link for %s is %s'),
@@ -172,7 +166,7 @@ class FrontendUrl extends Url
                     App::blog()->triggerBlog();
 
                     # ex: Send new url to messengers
-                    if (!empty($rs)) {
+                    if (!$rs->isEmpty()) {
                         App::behavior()->callBehavior('publicAfterKutrlCreate', $rs, __('New public short URL'));
                     }
                 }
@@ -185,10 +179,8 @@ class FrontendUrl extends Url
 
     protected static function kutrl404(): void
     {
-        if (!My::settigns()->get('srv_local_404_active')) {
+        if (!My::settings()->get('srv_local_404_active')) {
             self::p404();
-
-            return;
         }
 
         App::frontend()->template()->appendPath(My::path() . '/default-templates');
diff --git a/src/FrontendUtils.php b/src/FrontendUtils.php
index ffdf539..f2b493f 100644
--- a/src/FrontendUtils.php
+++ b/src/FrontendUtils.php
@@ -13,9 +13,9 @@ namespace Dotclear\Plugin\kUtRL;
  */
 class FrontendUtils
 {
-    public static $chars = 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';
+    public static string $chars = 'abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789';
 
-    public static function create($len = 6)
+    public static function create(int $len = 6): string
     {
         $res   = '';
         $chars = self::$chars;
@@ -26,7 +26,7 @@ class FrontendUtils
         return $res;
     }
 
-    public static function protect($str)
+    public static function protect(string $str): string
     {
         $res   = '';
         $chars = self::$chars;
@@ -37,7 +37,7 @@ class FrontendUtils
         return $res;
     }
 
-    public static function unprotect($str)
+    public static function unprotect(string $str): string
     {
         $res = '';
         for ($i = 0; $i < strlen($str); $i++) {
diff --git a/src/Install.php b/src/Install.php
index 92455db..f7d46c5 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -60,7 +60,7 @@ class Install extends Process
                 );
                 while ($record->fetch()) {
                     if (preg_match('/^kutrl_(.*?)$/', $record->setting_id, $match)) {
-                        $cur = App::blogWorkspace()->openBlogWorkspace();
+                        $cur = App::blogWorkspace()->openBlogWorkspaceCursor();
                         // avoid the use of serialize function
                         if (in_array($record->setting_id, ['kutrl_srv_custom'])) {
                             $cur->setting_value = json_encode(@unserialize(base64_decode((string) $record->setting_value)));
diff --git a/src/LinksListing.php b/src/LinksListing.php
index 5b35717..14cc760 100644
--- a/src/LinksListing.php
+++ b/src/LinksListing.php
@@ -49,7 +49,7 @@ class LinksListing extends Listing
             }
         }
 
-        $pager = new Pager((int) $filter->value('page'), $this->rs_count, (int) $filter->nb, 10);
+        $pager = new Pager((int) $filter->value('page'), (int) $this->rs_count, (int) $filter->value('nb'), 10);
 
         $cols = new ArrayObject([
             'kut_url' => (new Text('th', __('Link')))
@@ -67,7 +67,7 @@ class LinksListing extends Listing
 
         $lines = [];
         while ($this->rs->fetch()) {
-            $lines[] = $this->linkLine(isset($links[$this->rs->kut_id]));
+            $lines[] = $this->linkLine(isset($links[$this->rs->f('kut_id')]));
         }
 
         echo
@@ -103,13 +103,13 @@ class LinksListing extends Listing
 
         if (null !== ($o = Utils::quickService($type))) {
             $type = (new Link())
-                ->href($o->home)
-                ->title($o->name)
-                ->text($o->name)
+                ->href($o->get('home'))
+                ->title($o->get('name'))
+                ->text($o->get('name'))
                 ->render();
             $hash = (new Link())
-                ->href($o->url_base . $hash)
-                ->title($o->url_base . $hash)
+                ->href($o->get('url_base') . $hash)
+                ->title($o->get('url_base') . $hash)
                 ->text($hash)
                 ->render();
         }
@@ -125,7 +125,7 @@ class LinksListing extends Listing
                 ->class('maximal')
                 ->items([
                     (new Link())
-                        ->href($o->home)
+                        ->href((string) $o?->get('home'))
                         ->title($this->rs->kut_url)
                         ->text($this->rs->kut_url),
                 ]),
diff --git a/src/Logs.php b/src/Logs.php
index 8b8ec74..02dab24 100644
--- a/src/Logs.php
+++ b/src/Logs.php
@@ -12,6 +12,8 @@ use Dotclear\Database\Statement\{
     SelectStatement,
     UpdateStatement
 };
+use Dotclear\Interface\Core\ConnectionInterface;
+use Exception;
 
 /**
  * @brief       kUtRL logs class.
@@ -22,8 +24,8 @@ use Dotclear\Database\Statement\{
  */
 class Logs
 {
-    public $table;
-    public $con;
+    public string $table;
+    public ConnectionInterface $con;
 
     public function __construct()
     {
@@ -35,11 +37,12 @@ class Logs
     {
         $sql = new SelectStatement();
 
-        return $sql
+        $rs = $sql
             ->column($sql->max('kut_id'))
             ->from($this->table)
-            ->select()
-            ->f(0) + 1;
+            ->select();
+
+        return is_null($rs) || $rs->isEmpty() ? 1 : (int) $rs->f(0) + 1;
     }
 
     /**
@@ -76,8 +79,6 @@ class Logs
 
             throw $e;
         }
-
-        return [];
     }
 
     /**
@@ -110,13 +111,12 @@ class Logs
             $sql->and('kut_type = ' . $sql->quote($type));
         }
 
-        $sql
+        $rs = $sql
             ->order('kut_dt DESC')
-            ->limit(1);
+            ->limit(1)
+            ->select();
 
-        $rs = $sql->select();
-
-        return $rs->isEmpty() ? false : $rs;
+        return is_null($rs) || $rs->isEmpty() ? false : $rs;
     }
 
     public function clear(int $id): bool
@@ -141,8 +141,6 @@ class Logs
 
             throw $e;
         }
-
-        return false;
     }
 
     public function delete(int $id): bool
@@ -167,7 +165,7 @@ class Logs
             ->and('kut_id = ' . $id)
             ->select();
 
-        $counter = $rs->isEmpty() ? 0 : (int) $rs->kut_counter;
+        $counter = is_null($rs) || $rs->isEmpty() ? 0 : (int) $rs->kut_counter;
 
         if ('get' == $do) {
             return $counter;
@@ -190,6 +188,9 @@ class Logs
         return $counter;
     }
 
+    /**
+     * @param   array<string, mixed>    $params
+     */
     public function getLogs(array $params, bool $count_only = false): MetaRecord
     {
         $sql = new SelectStatement();
@@ -259,6 +260,6 @@ class Logs
             $sql->limit($params['limit']);
         }
 
-        return $sql->select();
+        return $sql->select() ?? MetaRecord::newFromArray([]);
     }
 }
diff --git a/src/Manage.php b/src/Manage.php
index 223f3ad..abbf13d 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -21,6 +21,7 @@ use Dotclear\Helper\Html\Form\{
     Text,
 };
 use Dotclear\Helper\Html\Html;
+use Exception;
 
 /**
  * @brief       kUtRL manage class.
@@ -65,7 +66,7 @@ class Manage extends Process
             if (!$kut->testService()) {
                 throw new Exception(__('Service is not well configured.'));
             }
-            if (null !== $hash && !$kut->allow_custom_hash) {
+            if (null !== $hash && !$kut->get('allow_custom_hash')) {
                 throw new Exception(__('This service does not allowed custom hash.'));
             }
             if (!$kut->isValidUrl($url)) {
@@ -77,7 +78,7 @@ class Manage extends Process
             if (!$kut->isProtocolUrl($url)) {
                 throw new Exception(__('This type of link is not allowed.'));
             }
-            if (!$kut->allow_external_url && !$kut->isBlogUrl($url)) {
+            if (!$kut->get('allow_external_url') && !$kut->isBlogUrl($url)) {
                 throw new Exception(__('Short links are limited to this blog URL.'));
             }
             if ($kut->isServiceUrl($url)) {
@@ -88,7 +89,7 @@ class Manage extends Process
             }
             if (false !== ($rs = $kut->isKnowUrl($url))) {
                 $url     = $rs->url;
-                $new_url = $kut->url_base . $rs->hash;
+                $new_url = $kut->get('url_base') . $rs->hash;
 
                 Notices::addSuccessNotice(sprintf(
                     __('Short link for %s is %s'),
@@ -104,7 +105,7 @@ class Manage extends Process
                     throw new Exception(__('Failed to create short link. This could be caused by a service failure.'));
                 } else {
                     $url     = $rs->url;
-                    $new_url = $kut->url_base . $rs->hash;
+                    $new_url = $kut->get('url_base') . $rs->hash;
 
                     Notices::addSuccessNotice(sprintf(
                         __('Short link for %s is %s'),
@@ -113,7 +114,7 @@ class Manage extends Process
                     ));
 
                     # ex: Send new url to messengers
-                    if (!empty($rs)) {
+                    if (!$rs->isEmpty()) {
                         App::behavior()->callBehavior('adminAfterKutrlCreate', $rs, __('New short URL'));
                     }
                 }
@@ -149,14 +150,13 @@ class Manage extends Process
         ]) .
         Notices::getNotices();
 
-        if (!isset($kut) || null === $kut) {
-            echo (new Para())
-                ->text(__('You must set an admin service.'))
+        if (null === $kut) {
+            echo (new Text('p', __('You must set an admin service.')))
                 ->render();
         } else {
             $fields = [];
 
-            if ($kut->allow_custom_hash) {
+            if ($kut->get('allow_custom_hash')) {
                 $fields[] = (new Para())
                     ->items([
                         (new Label(__('Custom short link:'), Label::OUTSIDE_LABEL_BEFORE))
@@ -170,7 +170,7 @@ class Manage extends Process
                     ->class('form-note')
                     ->text(__('Only if you want a custom short link.'));
 
-                if ($kut->admin_service == 'local') {
+                if ($kut->get('admin_service') == 'local') {
                     $fields[] = (new Note())
                         ->class('form-note')
                         ->text(__('You can use "bob!!" if you want a semi-custom link, it starts with "bob" and "!!" will be replaced by an increment value.'));
@@ -179,7 +179,7 @@ class Manage extends Process
 
             echo (new Div())
                 ->items([
-                    (new Text('h4', sprintf(__('Shorten link using service "%s"'), $kut->name))),
+                    (new Text('h4', sprintf(__('Shorten link using service "%s"'), $kut->get('name')))),
                     (new Form('create-link'))
                         ->method('post')
                         ->action(My::manageUrl())
diff --git a/src/ManageLinks.php b/src/ManageLinks.php
index 37bd30f..8dfab96 100644
--- a/src/ManageLinks.php
+++ b/src/ManageLinks.php
@@ -23,6 +23,7 @@ use Dotclear\Helper\Html\Form\{
     Submit,
     Text
 };
+use Exception;
 
 /**
  * @brief       kUtRL manage links class.
@@ -34,7 +35,7 @@ use Dotclear\Helper\Html\Form\{
 class ManageLinks extends Process
 {
     private static Filters $kutrl_filter;
-    private static Linkslisting $kutrl_listing;
+    private static LinksListing $kutrl_listing;
 
     public static function init(): bool
     {
diff --git a/src/My.php b/src/My.php
index c9cbbf5..2a9de6b 100644
--- a/src/My.php
+++ b/src/My.php
@@ -25,7 +25,7 @@ class My extends MyPlugin
     /**
      * List of template tag which content URL that can be shorten.
      *
-     * @var     array   USED_TAGS
+     * @var     array<int, string>  USED_TAGS
      */
     public const USED_TAGS = [
         'AttachmentURL',
diff --git a/src/Service.php b/src/Service.php
index 9c16de0..faaf127 100644
--- a/src/Service.php
+++ b/src/Service.php
@@ -21,10 +21,24 @@ use Dotclear\Helper\Network\HttpClient;
  */
 class Service
 {
+    /**
+     * @var     \Dotclear\Interface\Core\ErrorInterface  $error
+     */
     public $error;
+
+    /**
+     * @var     \Dotclear\Interface\Core\BlogWorkspaceInterface   $settings
+     */
     public $settings;
+
+    /**
+     * @var     Logs    $log
+     */
     public $log;
 
+    /**
+     * @var     array<string, mixed>    $config
+     */
     protected $config = [];
 
     public function __construct()
@@ -37,7 +51,7 @@ class Service
         $this->init();
 
         // Force setting
-        $allow_external_url                 = $this->settings?->get('allow_external_url');
+        $allow_external_url                 = $this->settings->get('allow_external_url');
         $this->config['allow_external_url'] = null === $allow_external_url ?
             true : $allow_external_url;
 
@@ -60,14 +74,22 @@ class Service
         );
     }
 
-    # Magic get for config values
-    public function __get($k)
+    /**
+     * Magic get for config values.
+     *
+     * @return  mixed
+     */
+    public function __get(string $k)
     {
         return $this->get($k);
     }
 
-    # get config value
-    public function get($k)
+    /**
+     * Get config value.
+     *
+     * @return  mixed
+     */
+    public function get(string $k)
     {
         return $this->config[$k] ?? null;
     }
@@ -110,19 +132,19 @@ class Service
     # Test if an url contents know prefix
     public function isServiceUrl(string $url): bool
     {
-        return strpos($url, $this->url_base) === 0;
+        return strpos($url, $this->get('url_base')) === 0;
     }
 
     # Test if an url is long enoutgh
     public function isLongerUrl(string $url): bool
     {
-        return (strlen($url) >= (int) $this->url_min_len);
+        return (strlen($url) >= (int) $this->get('url_min_len'));
     }
 
     # Test if an url protocol (eg: http://) is allowed
     public function isProtocolUrl(string $url): bool
     {
-        foreach ($this->allow_protocols as $protocol) {
+        foreach ($this->get('allow_protocols') as $protocol) {
             if (empty($protocol)) {
                 continue;
             }
@@ -150,7 +172,7 @@ class Service
      */
     public function isKnowUrl(string $url)
     {
-        return $this->log->select($url, null, $this->id, 'kutrl');
+        return $this->log->select($url, null, $this->get('id'), 'kutrl');
     }
 
     /**
@@ -160,7 +182,7 @@ class Service
      */
     public function isKnowHash(string $hash)
     {
-        return $this->log->select(null, $hash, $this->id, 'kutrl');
+        return $this->log->select(null, $hash, $this->get('id'), 'kutrl');
     }
 
     /**
@@ -171,10 +193,10 @@ class Service
     public function hash(string $url, ?string $hash = null)
     {
         $url = trim(App::con()->escapeStr((string) $url));
-        if ('undefined' === $this->id) {
+        if ('undefined' === $this->get('id')) {
             return false;
         }
-        if ($hash && !$this->allow_custom_hash) {
+        if ($hash && !$this->get('allow_custom_hash')) {
             return false;
         }
         if ($this->isServiceUrl($url)) {
@@ -183,7 +205,7 @@ class Service
         if (!$this->isLongerUrl($url)) {
             return false;
         }
-        if (!$this->allow_external_url && $this->isBlogUrl($url)) {
+        if (!$this->get('allow_external_url') && $this->isBlogUrl($url)) {
             return false;
         }
         if ($hash && false !== ($rs = $this->isKnowHash($hash))) {
@@ -262,14 +284,21 @@ class Service
 
     /**
      * Post request.
+     *
+     * @param   array<int, string>  $headers
+     * @return  mixed
      */
-    public static function post(string $url, $data, bool $verbose = true, bool $get = false, $headers = [])
+    public static function post(string $url, mixed $data, bool $verbose = true, bool $get = false, array $headers = [])
     {
         $client = HttpClient::initClient($url, $url);
+        if (false === $client) {
+            return false;
+        }
+
         $client->setUserAgent('kUtRL - https://github.com/JcDenis/kUtRL');
         $client->setPersistReferers(false);
 
-        if (is_array($headers) && !empty($headers)) {
+        if (!empty($headers)) {
             foreach ($headers as $header) {
                 $client->setMoreHeader($header);
             }
diff --git a/src/Service/ServiceBilbolinks.php b/src/Service/ServiceBilbolinks.php
index 9589374..84ec074 100644
--- a/src/Service/ServiceBilbolinks.php
+++ b/src/Service/ServiceBilbolinks.php
@@ -7,7 +7,7 @@ namespace Dotclear\Plugin\kUtRL\Service;
 use Dotclear\Helper\Html\Form\{
     Div,
     Input,
-    label,
+    Label,
     Note,
     Para
 };
@@ -22,21 +22,22 @@ use Dotclear\Plugin\kUtRL\Service;
  */
 class ServiceBilbolinks extends Service
 {
-    protected $config = [
-        'id'   => 'bilbolinks',
-        'name' => 'BilboLinks',
-        'home' => 'http://www.tux-planet.fr/bilbobox/',
-    ];
-
     protected function init(): void
     {
         $base = (string) $this->settings->get('srv_bilbolinks_base');
         if (!empty($base) && substr($base, -1, 1) != '/') {
             $base .= '/';
         }
-        $this->config['url_api']     = $base . 'api.php';
-        $this->config['url_base']    = $base;
-        $this->config['url_min_len'] = 25;
+
+        $this->config = [
+            'id'   => 'bilbolinks',
+            'name' => 'BilboLinks',
+            'home' => 'http://www.tux-planet.fr/bilbobox/',
+
+            'url_api'     => $base . 'api.php',
+            'url_base'    => $base,
+            'url_min_len' => 25,
+        ];
     }
 
     public function saveSettings(): void
@@ -72,14 +73,14 @@ class ServiceBilbolinks extends Service
 
     public function testService(): bool
     {
-        if (empty($this->url_base)) {
+        if (empty($this->get('url_base'))) {
             $this->error->add(__('Service is not well configured.'));
 
             return false;
         }
 
-        $arg = ['longurl' => urlencode($this->url_test)];
-        if (!self::post($this->url_api, $arg, true, true)) {
+        $arg = ['longurl' => urlencode($this->get('url_test'))];
+        if (!self::post($this->get('url_api'), $arg, true, true)) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
@@ -92,7 +93,7 @@ class ServiceBilbolinks extends Service
     {
         $arg = ['longurl' => $url];
 
-        if (!($response = self::post($this->url_api, $arg, true, true))) {
+        if (!($response = self::post($this->get('url_api'), $arg, true, true))) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
@@ -102,10 +103,11 @@ class ServiceBilbolinks extends Service
 
             return false;
         }
+
         return $this->fromValue(
-            str_replace($this->url_base, '', $response),
+            (string) str_replace($this->get('url_base'), '', $response),
             $url,
-            $this->id
+            $this->get('id')
         );
     }
 }
diff --git a/src/Service/ServiceBitly.php b/src/Service/ServiceBitly.php
index 2fb42e1..7b8cf79 100644
--- a/src/Service/ServiceBitly.php
+++ b/src/Service/ServiceBitly.php
@@ -7,7 +7,7 @@ namespace Dotclear\Plugin\kUtRL\Service;
 use Dotclear\Helper\Html\Form\{
     Div,
     Input,
-    label,
+    Label,
     Note,
     Para
 };
@@ -22,24 +22,27 @@ use Dotclear\Plugin\kUtRL\Service;
  */
 class ServiceBitly extends Service
 {
-    protected $config = [
-        'id'   => 'bitly',
-        'name' => 'bit.ly',
-        'home' => 'https://bit.ly',
-
-        'url_api'     => 'https://api-ssl.bitly.com/v4/',
-        'url_base'    => 'https://bit.ly/',
-        'url_min_len' => 25,
-
-        'allow_protocols' => ['http://', 'https://'],
-    ];
-
+    /**
+     * @var     array<string, mixed>    $args
+     */
     private $args = [
         'apiKey' => '',
     ];
 
     protected function init(): void
     {
+        $this->config = [
+            'id'   => 'bitly',
+            'name' => 'bit.ly',
+            'home' => 'https://bit.ly',
+
+            'url_api'     => 'https://api-ssl.bitly.com/v4/',
+            'url_base'    => 'https://bit.ly/',
+            'url_min_len' => 25,
+
+            'allow_protocols' => ['http://', 'https://'],
+        ];
+
         $this->args['apiKey'] = $this->settings->get('srv_bitly_apikey');
     }
 
@@ -76,7 +79,7 @@ class ServiceBitly extends Service
         }
 
         $args = json_encode(['domain' => 'bit.ly', 'bitlink_id' => 'bit.ly/WP9vc'], JSON_UNESCAPED_SLASHES);
-        if (!($response = self::post($this->url_api . 'expand', $args, true, false, $this->headers()))) {
+        if (!($response = self::post($this->get('url_api') . 'expand', $args, true, false, $this->headers()))) {
             $this->error->add(__('Failed to call service.'));
 
             return false;
@@ -89,7 +92,7 @@ class ServiceBitly extends Service
     {
         $args = json_encode(['domain' => 'bit.ly', 'long_url' => $url]);
 
-        if (!($response = self::post($this->url_api . 'shorten', $args, true, false, $this->headers()))) {
+        if (!($response = self::post($this->get('url_api') . 'shorten', $args, true, false, $this->headers()))) {
             $this->error->add(__('Failed to call service.'));
 
             return false;
@@ -98,12 +101,15 @@ class ServiceBitly extends Service
         $rsp = json_decode($response);
 
         return $this->fromValue(
-            str_replace($this->url_base, '', (string) $rsp->link),
+            str_replace($this->get('url_base'), '', (string) $rsp->link),
             (string) $rsp->long_url,
-            $this->id
+            $this->get('id')
         );
     }
 
+    /**
+     * @return  array<int, string>
+     */
     private function headers()
     {
         return ['Authorization: Bearer ' . $this->args['apiKey'], 'Content-Type: application/json'];
diff --git a/src/Service/ServiceCustom.php b/src/Service/ServiceCustom.php
index c00a03e..a793239 100644
--- a/src/Service/ServiceCustom.php
+++ b/src/Service/ServiceCustom.php
@@ -10,7 +10,8 @@ use Dotclear\Helper\Html\Form\{
     Input,
     Label,
     Note,
-    Para
+    Para,
+    Text
 };
 use Dotclear\Plugin\kUtRL\Service;
 
@@ -23,11 +24,6 @@ use Dotclear\Plugin\kUtRL\Service;
  */
 class ServiceCustom extends Service
 {
-    protected $config = [
-        'id'   => 'custom',
-        'name' => 'Custom',
-    ];
-
     protected function init(): void
     {
         $config = json_decode((string) $this->settings->get('srv_custom'), true);
@@ -35,12 +31,17 @@ class ServiceCustom extends Service
             $config = [];
         }
 
-        $this->config['url_api']    = $config['url_api']   ?? '';
-        $this->config['url_base']   = $config['url_base']  ?? '';
-        $this->config['url_param']  = $config['url_param'] ?? '';
-        $this->config['url_encode'] = !empty($config['url_api']);
+        $this->config = [
+            'id'   => 'custom',
+            'name' => 'Custom',
 
-        $this->config['url_min_length'] = strlen($this->url_base) + 2;
+            'url_api'    => $config['url_api']   ?? '',
+            'url_base'   => $config['url_base']  ?? '',
+            'url_param'  => $config['url_param'] ?? '',
+            'url_encode' => !empty($config['url_api']),
+
+            'url_min_length' => strlen($config['url_base'] ?? '') + 2,
+        ];
     }
 
     public function saveSettings(): void
@@ -70,13 +71,13 @@ class ServiceCustom extends Service
 
         return (new Div())
             ->items([
-                (new Para())
-                    ->text(
-                        __('You can set a configurable service.') . '<br />' .
-                        __('It consists on a simple query to an URL with only one param.') . '<br />' .
-                        __('It must respond with a http code 200 on success.') . '<br />' .
-                        __('It must returned the short URL (or only hash) in clear text.')
-                    ),
+                (new Text(
+                    'p',
+                    __('You can set a configurable service.') . '<br />' .
+                    __('It consists on a simple query to an URL with only one param.') . '<br />' .
+                    __('It must respond with a http code 200 on success.') . '<br />' .
+                    __('It must returned the short URL (or only hash) in clear text.')
+                )),
                 (new Para())
                     ->items([
                         (new Label(__('API URL:'), Label::OUTSIDE_LABEL_BEFORE))
@@ -126,12 +127,12 @@ class ServiceCustom extends Service
 
     public function testService(): bool
     {
-        if (empty($this->url_api)) {
+        if (empty($this->get('url_api'))) {
             return false;
         }
-        $url = $this->url_encode ? urlencode($this->url_test) : $this->url_test;
-        $arg = [$this->url_param => $url];
-        if (!self::post($this->url_api, $arg, true, true)) {
+        $url = $this->get('url_encode') ? urlencode($this->get('url_test')) : $this->get('url_test');
+        $arg = [$this->get('url_param') => $url];
+        if (!self::post($this->get('url_api'), $arg, true, true)) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
@@ -142,19 +143,19 @@ class ServiceCustom extends Service
 
     public function createHash(string $url, ?string $hash = null)
     {
-        $enc = $this->url_encode ? urlencode($url) : $url;
-        $arg = [$this->url_param => $enc];
+        $enc = $this->get('url_encode') ? urlencode($url) : $url;
+        $arg = [$this->get('url_param') => $enc];
 
-        if (!($response = self::post($this->url_api, $arg, true, true))) {
+        if (!($response = self::post($this->get('url_api'), $arg, true, true))) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
         }
-        
+
         return $this->fromValue(
-            str_replace($this->url_base, '', $response),
+            (string) str_replace($this->get('url_base'), '', $response),
             $url,
-            $this->id
+            $this->get('id')
         );
     }
 }
diff --git a/src/Service/ServiceDefault.php b/src/Service/ServiceDefault.php
index 1f6e045..6d2a765 100644
--- a/src/Service/ServiceDefault.php
+++ b/src/Service/ServiceDefault.php
@@ -7,7 +7,6 @@ namespace Dotclear\Plugin\kUtRL\Service;
 use Dotclear\Helper\Html\Form\{
     Div,
     Note,
-    Para,
     Text
 };
 use Dotclear\Plugin\kUtRL\Service;
@@ -49,8 +48,7 @@ class ServiceDefault extends Service
                 (new Note())
                     ->class('form-note')
                     ->text(__('There is nothing to configure for this service.')),
-                (new Para())
-                    ->text(__('There is nothing to configure for this service.')),
+                (new Text('p', __('There is nothing to configure for this service.'))),
                 (new Text(
                     '',
                     '<dl>' .
@@ -71,10 +69,10 @@ class ServiceDefault extends Service
 
     public function testService(): bool
     {
-        $url = $this->url_encode ? urlencode($this->url_test) : $this->url_test;
-        $arg = [$this->url_param => urlencode($this->url_test)];
+        $url = $this->get('url_encode') ? urlencode($this->get('url_test')) : $this->get('url_test');
+        $arg = [$this->get('url_param') => urlencode($this->get('url_test'))];
 
-        if (!self::post($this->url_api, $arg, true, true)) {
+        if (!self::post($this->get('url_api'), $arg, true, true)) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
@@ -85,19 +83,19 @@ class ServiceDefault extends Service
 
     public function createHash(string $url, ?string $hash = null)
     {
-        $enc = $this->url_encode ? urlencode($url) : $url;
-        $arg = [$this->url_param => $url];
+        $enc = $this->get('url_encode') ? urlencode($url) : $url;
+        $arg = [$this->get('url_param') => $url];
 
-        if (!($response = self::post($this->url_api, $arg, true, true))) {
+        if (!($response = self::post($this->get('url_api'), $arg, true, true))) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
         }
 
         return $this->fromValue(
-            str_replace($this->url_base, '', $response),
+            (string) str_replace($this->get('url_base'), '', $response),
             $url,
-            $this->id
+            $this->get('id')
         );
     }
 }
diff --git a/src/Service/ServiceIsgd.php b/src/Service/ServiceIsgd.php
index a59fc74..dc961c5 100644
--- a/src/Service/ServiceIsgd.php
+++ b/src/Service/ServiceIsgd.php
@@ -15,20 +15,23 @@ use Dotclear\Plugin\kUtRL\Service;
  */
 class ServiceIsgd extends Service
 {
-    protected $config = [
-        'id'   => 'isgd',
-        'name' => 'is.gd',
-        'home' => 'http://is.gd/',
+    protected function init(): void
+    {
+        $this->config = [
+            'id'   => 'isgd',
+            'name' => 'is.gd',
+            'home' => 'http://is.gd/',
 
-        'url_api'        => 'http://is.gd/api.php',
-        'url_base'       => 'http://is.gd/',
-        'url_min_length' => 25,
-    ];
+            'url_api'        => 'http://is.gd/api.php',
+            'url_base'       => 'http://is.gd/',
+            'url_min_length' => 25,
+        ];
+    }
 
     public function testService(): bool
     {
-        $arg = ['longurl' => urlencode($this->url_test)];
-        if (!self::post($this->url_api, $arg, true, true)) {
+        $arg = ['longurl' => urlencode($this->get('url_test'))];
+        if (!self::post($this->get('url_api'), $arg, true, true)) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
@@ -41,16 +44,16 @@ class ServiceIsgd extends Service
     {
         $arg = ['longurl' => $url];
 
-        if (!($response = self::post($this->url_api, $arg, true, true))) {
+        if (!($response = self::post($this->get('url_api'), $arg, true, true))) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
         }
 
         return $this->fromValue(
-            str_replace($this->url_base, '', $response),
+            (string) str_replace($this->get('url_base'), '', $response),
             $url,
-            $this->id
+            $this->get('id')
         );
     }
 }
diff --git a/src/Service/ServiceLocal.php b/src/Service/ServiceLocal.php
index 2b3327f..d19ac52 100644
--- a/src/Service/ServiceLocal.php
+++ b/src/Service/ServiceLocal.php
@@ -17,6 +17,7 @@ use Dotclear\Helper\Html\Form\{
 };
 use Dotclear\Helper\Html\Html;
 use Dotclear\Plugin\kUtRL\Service;
+use Exception;
 
 /**
  * @brief       kUtRL local service class.
@@ -27,21 +28,21 @@ use Dotclear\Plugin\kUtRL\Service;
  */
 class ServiceLocal extends Service
 {
-    protected $config = [
-        'id'   => 'local',
-        'name' => 'kUtRL',
-        'home' => 'https://github.com/JcDenis/kUtRL',
-
-        'allow_custom_hash' => true,
-    ];
-
     protected function init(): void
     {
-        $protocols                       = (string) $this->settings->get('srv_local_protocols');
-        $this->config['allow_protocols'] = empty($protocols) ? [] : explode(',', $protocols);
+        $protocols = (string) $this->settings->get('srv_local_protocols');
 
-        $this->config['url_base']    = App::blog()->url() . App::url()->getBase('kutrl') . '/';
-        $this->config['url_min_len'] = strlen($this->url_base) + 2;
+        $this->config = [
+            'id'   => 'local',
+            'name' => 'kUtRL',
+            'home' => 'https://github.com/JcDenis/kUtRL',
+
+            'allow_custom_hash' => true,
+            'allow_protocols'   => empty($protocols) ? [] : explode(',', $protocols),
+
+            'url_base'    => App::blog()->url() . App::url()->getBase('kutrl') . '/',
+            'url_min_len' => strlen(App::blog()->url() . App::url()->getBase('kutrl') . '/') + 2,
+        ];
     }
 
     public function saveSettings(): void
@@ -115,13 +116,13 @@ class ServiceLocal extends Service
                                 (new Text(
                                     'p',
                                     __('This service use your own Blog to shorten and serve URL.') . '<br />' .
-                                    sprintf(__('This means that with this service short links start with "%s".'), $this->url_base)
+                                    sprintf(__('This means that with this service short links start with "%s".'), $this->get('url_base'))
                                 )),
                                 (new Text(
                                     'p',
                                     __("You can use Dotclear's plugin called myUrlHandlers to change short links prefix on your blog.") .
                                     (
-                                        preg_match('/index\.php/', $this->url_base) ?
+                                        preg_match('/index\.php/', $this->get('url_base')) ?
                                         ' ' .
                                         __("We recommand that you use a rewrite engine in order to remove 'index.php' from your blog's URL.") .
                                         '<br /><a href="http://fr.dotclear.org/documentation/2.0/usage/blog-parameters">' .
@@ -143,7 +144,7 @@ class ServiceLocal extends Service
 
     public function testService(): bool
     {
-        $ap = $this->allow_protocols;
+        $ap = $this->get('allow_protocols');
         if (!empty($ap)) {
             return true;
         }
@@ -161,13 +162,13 @@ class ServiceLocal extends Service
 
         # Normal link
         if ($hash === null) {
-            $type     = 'localnormal';
+            $type    = 'localnormal';
             $rs_hash = $this->next($this->last('localnormal'));
 
             # Mixed custom link
         } elseif (preg_match('/^([A-Za-z0-9]{2,})\!\!$/', $hash, $m)) {
-            $type     = 'localmix';
-            $rs_hash = $m[1] . $this->next(-1, $m[1]);
+            $type    = 'localmix';
+            $rs_hash = $m[1] . $this->next('-1', $m[1]);
 
             # Custom link
         } elseif (preg_match('/^[A-Za-z0-9\.\-\_]{2,}$/', $hash)) {
@@ -176,7 +177,7 @@ class ServiceLocal extends Service
 
                 return false;
             }
-            $type     = 'localcustom';
+            $type    = 'localcustom';
             $rs_hash = $hash;
 
             # Wrong char in custom hash
@@ -195,23 +196,23 @@ class ServiceLocal extends Service
                 $rs_url,
                 $rs_type
             );
-        } catch (Exception $e) {
+        } catch (Exception) {
             $this->error->add(__('Failed to save link.'));
         }
 
         return false;
     }
 
-    protected function last($type)
+    protected function last(string $type): string
     {
         return false === ($rs = $this->log->select(null, null, $type, 'local')) ?
-            -1 : $rs->hash;
+            '-1' : $rs->hash;
     }
 
-    protected function next($last_id, $prefix = '')
+    protected function next(string $last_id, string $prefix = ''): string
     {
-        if ($last_id == -1) {
-            $next_id = 0;
+        if ($last_id == '-1') {
+            $next_id = '0';
         } else {
             for ($x = 1; $x <= strlen($last_id); $x++) {
                 $pos = strlen($last_id) - $x;
@@ -231,7 +232,7 @@ class ServiceLocal extends Service
             $next_id : $this->next($next_id, $prefix);
     }
 
-    protected function append($id)
+    protected function append(string $id): string
     {
         $id = str_split($id);
         for ($x = 0; $x < count($id); $x++) {
@@ -241,7 +242,7 @@ class ServiceLocal extends Service
         return implode($id) . '0';
     }
 
-    protected function increment($id, $pos)
+    protected function increment(string $id, int $pos): string
     {
         $id   = str_split($id);
         $char = $id[$pos];
@@ -262,7 +263,7 @@ class ServiceLocal extends Service
         return implode($id);
     }
 
-    public function getUrl(string $hash)
+    public function getUrl(string $hash): bool|string
     {
         if (false === ($rs = $this->log->select(null, $hash, null, 'local'))) {
             return false;
diff --git a/src/Service/ServiceYourls.php b/src/Service/ServiceYourls.php
index 49c07be..0e70571 100644
--- a/src/Service/ServiceYourls.php
+++ b/src/Service/ServiceYourls.php
@@ -22,12 +22,9 @@ use Dotclear\Plugin\kUtRL\Service;
  */
 class ServiceYourls extends Service
 {
-    protected $config = [
-        'id'   => 'yourls',
-        'name' => 'YOURLS',
-        'home' => 'http://yourls.org',
-    ];
-
+    /**
+     * @var     array<string, string>   $args
+     */
     private $args = [
         'username' => '',
         'password' => '',
@@ -43,9 +40,15 @@ class ServiceYourls extends Service
         $base = (string) $this->settings->get('srv_yourls_base');
         //if (!empty($base) && substr($base,-1,1) != '/') $base .= '/';
 
-        $this->config['url_api']     = $base;
-        $this->config['url_base']    = $base;
-        $this->config['url_min_len'] = strlen($base) + 3;
+        $this->config = [
+            'id'   => 'yourls',
+            'name' => 'YOURLS',
+            'home' => 'http://yourls.org',
+
+            'url_api'     => $base,
+            'url_base'    => $base,
+            'url_min_len' => strlen($base) + 3,
+        ];
     }
 
     public function saveSettings(): void
@@ -108,9 +111,9 @@ class ServiceYourls extends Service
         }
 
         $args        = $this->args;
-        $args['url'] = $this->url_test;
+        $args['url'] = $this->get('url_test');
 
-        if (!($response = self::post($this->url_api, $this->args, true))) {
+        if (!($response = self::post($this->get('url_api'), $this->args, true))) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
@@ -129,7 +132,7 @@ class ServiceYourls extends Service
     {
         $args = array_merge($this->args, ['url' => $url]);
 
-        if (!($response = self::post($this->url_api, $args, true))) {
+        if (!($response = self::post($this->get('url_api'), $args, true))) {
             $this->error->add(__('Service is unavailable.'));
 
             return false;
@@ -141,7 +144,7 @@ class ServiceYourls extends Service
             return $this->fromValue(
                 $rsp->url[0]->keyword,
                 $url,
-                $this->id
+                $this->get('id')
             );
         }
         $this->error->add(__('Unreadable service response.'));
diff --git a/src/Utils.php b/src/Utils.php
index e40655c..8e7856a 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -21,7 +21,7 @@ class Utils
      *
      * @return  array<string,string>    The services list
      */
-    public static function getServices(): ?array
+    public static function getServices(): array
     {
         $list = App::behavior()->getBehavior('kutrlService');
 
@@ -54,7 +54,7 @@ class Utils
                 return null;
             }
             $services = self::getServices();
-            if (isset($services[$id])) {
+            if (isset($services[$id]) && is_subclass_of($services[$id], Service::class)) {
                 return new $services[$id]();
             }
         } catch (Exception $e) {
@@ -66,9 +66,9 @@ class Utils
     /**
      * Silently try to load a service according to its place.
      *
-     * @param   string  The execution context
+     * @param   string  $place  The execution context
      *
-     * @return  Service     The service or null on error
+     * @return  null|Service    The service or null on error
      */
     public static function quickPlace(string $place = 'plugin'): ?Service
     {
@@ -89,11 +89,11 @@ class Utils
     /**
      * Silently try to reduce url (using 'plugin' place).
      *
-     * @param   string  $url    The long URL
-     * @param   string  $cutom  The custom short URI
-     * @param   string  $place  The context
+     * @param   string  $url        The long URL
+     * @param   string  $custom     The custom short URI
+     * @param   string  $place      The context
      *
-     * @return  string The short url on success else the long url
+     * @return  string  The short url on success else the long url
      */
     public static function quickReduce(string $url, ?string $custom = null, string $place = 'plugin'): string
     {
@@ -107,7 +107,7 @@ class Utils
                 return $url;
             }
 
-            return $srv->url_base . $rs->hash;
+            return $srv->get('url_base') . $rs->hash;
         } catch (Exception $e) {
         }
 
diff --git a/src/Widgets.php b/src/Widgets.php
index b7f5e4e..9e36286 100644
--- a/src/Widgets.php
+++ b/src/Widgets.php
@@ -177,23 +177,23 @@ class Widgets
             return '';
         }
 
-        $type = in_array($w->type, ['localnormal', 'localmix', 'localcustom']) ?
-            "AND kut_type ='" . $w->type . "' " :
+        $type = in_array($w->get('type'), ['localnormal', 'localmix', 'localcustom']) ?
+            "AND kut_type ='" . $w->get('type') . "' " :
             'AND kut_type ' . App::con()->in(['localnormal', 'localmix', 'localcustom']) . ' ';
 
-        $hide = (bool) $w->hideempty ? 'AND kut_counter > 0 ' : '';
+        $hide = (bool) $w->get('hideempty') ? 'AND kut_counter > 0 ' : '';
 
         $more = '';
-        if ($w->type == 'localmix' && '' != $w->mixprefix) {
-            $more = "AND kut_hash LIKE '" . App::con()->escapeStr((string) $w->mixprefix) . "%' ";
+        if ($w->get('type') == 'localmix' && '' != $w->get('mixprefix')) {
+            $more = "AND kut_hash LIKE '" . App::con()->escapeStr((string) $w->get('mixprefix')) . "%' ";
         }
 
-        $order = ($w->sortby && in_array($w->sortby, ['kut_dt', 'kut_counter', 'kut_hash'])) ?
-            $w->sortby : 'kut_dt';
+        $order = ($w->get('sortby') && in_array($w->get('sortby'), ['kut_dt', 'kut_counter', 'kut_hash'])) ?
+            $w->get('sortby') : 'kut_dt';
 
-        $order .= $w->sort == 'desc' ? ' DESC' : ' ASC';
+        $order .= $w->get('sort') == 'desc' ? ' DESC' : ' ASC';
 
-        $limit = App::con()->limit(abs((int) $w->limit));
+        $limit = App::con()->limit(abs((int) $w->get('limit')));
 
         $rs = App::con()->select(
             'SELECT kut_counter, kut_hash ' .
@@ -215,16 +215,12 @@ class Widgets
 
             $hash    = $rs->kut_hash;
             $url     = App::blog()->url() . App::url()->getBase('kutrl') . '/' . $hash;
-            $cut_len = - abs((int) $w->urllen);
+            $cut_len = abs((int) $w->get('urllen'));
 
             if (strlen($url) > $cut_len) {
-                $url = '...' . substr($url, $cut_len);
+                $url = '...' . substr($url, 0, $cut_len);
             }
-            /*
-                        if (strlen($hash) > $cut_len) {
-                            $url = '...'.substr($hash, $cut_len);
-                        }
-            //*/
+
             if ($rs->kut_counter == 0) {
                 $counttext = __('never followed');
             } elseif ($rs->kut_counter == 1) {
@@ -239,7 +235,7 @@ class Widgets
                 str_replace(
                     ['%rank%', '%hash%', '%url%', '%count%', '%counttext%'],
                     [$rank, $hash, $url, $rs->kut_counter, $counttext],
-                    $w->text
+                    $w->get('text')
                 ) .
                 '</a></li>';
         }
diff --git a/src/Wiki.php b/src/Wiki.php
index bff3974..a71e7d6 100644
--- a/src/Wiki.php
+++ b/src/Wiki.php
@@ -21,14 +21,14 @@ class Wiki
         # Do nothing on comment preview and post preview
         if (!empty($_POST['preview'])
             || (App::task()->checkContext('FRONTEND') && App::frontend()->context()->preview)
-            || !My::settings()?->get('active')
+            || !My::settings()->get('active')
         ) {
             return;
         }
         if (null === ($kut = Utils::quickPlace('wiki'))) {
             return;
         }
-        foreach ($kut->allow_protocols as $protocol) {
+        foreach ($kut->get('allow_protocols') as $protocol) {
             $wiki2xhtml->registerFunction(
                 'url:' . $protocol,
                 self::transform(...)
@@ -41,7 +41,7 @@ class Wiki
      */
     public static function transform(string $url, string $content): ?array
     {
-        if (!My::settings()?->get('active')) {
+        if (!My::settings()->get('active')) {
             return null;
         }
         if (null === ($kut = Utils::quickPlace('wiki'))) {
@@ -59,8 +59,8 @@ class Wiki
         }
         $res          = [];
         $testurl      = strlen($rs->url) > 35 ? substr($rs->url, 0, 35) . '...' : $rs->url;
-        $res['url']   = $kut->url_base . $rs->hash;
-        $res['title'] = sprintf(__('%s (Shorten with %s)'), $rs->url, __($kut->name));
+        $res['url']   = $kut->get('url_base') . $rs->hash;
+        $res['title'] = sprintf(__('%s (Shorten with %s)'), $rs->url, __($kut->get('name')));
         if ($testurl == $content) {
             $res['content'] = $res['url'];
         }