diff --git a/src/Backend.php b/src/Backend.php
index 9b33927..93b6826 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -7,11 +7,35 @@
  *
  * @author Fran6t, Pierre Van Glabeke and Contributors
  *
- * @copyright Jean-Crhistian Denis
+ * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_CONTEXT_ADMIN')) {
-    return;
-}
+declare(strict_types=1);
 
-require __DIR__ . '/_widgets.php';
+namespace Dotclear\Plugin\bloganniv;
+
+use dcCore;
+use dcNsProcess;
+
+class Backend extends dcNsProcess
+{
+    public static function init(): bool
+    {
+        static::$init = defined('DC_CONTEXT_ADMIN') && My::phpCompliant();
+
+        return static::$init;
+    }
+
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
+        }
+
+        dcCore::app()->addBehaviors([
+            'initWidgets' => [Widgets::class, 'initWidgets'],
+        ]);
+
+        return true;
+    }
+}
diff --git a/src/Frontend.php b/src/Frontend.php
index 209018d..6488fcd 100644
--- a/src/Frontend.php
+++ b/src/Frontend.php
@@ -7,11 +7,35 @@
  *
  * @author Fran6t, Pierre Van Glabeke and Contributors
  *
- * @copyright Jean-Crhistian Denis
+ * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_RC_PATH')) {
-    return null;
-}
+declare(strict_types=1);
 
-require __DIR__ . '/_widgets.php';
+namespace Dotclear\Plugin\bloganniv;
+
+use dcCore;
+use dcNsProcess;
+
+class Frontend extends dcNsProcess
+{
+    public static function init(): bool
+    {
+        static::$init = My::phpCompliant();
+
+        return static::$init;
+    }
+
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
+        }
+
+        dcCore::app()->addBehaviors([
+            'initWidgets' => [Widgets::class, 'initWidgets'],
+        ]);
+
+        return true;
+    }
+}
diff --git a/src/My.php b/src/My.php
new file mode 100644
index 0000000..d655bb6
--- /dev/null
+++ b/src/My.php
@@ -0,0 +1,50 @@
+<?php
+/**
+ * @brief bloganniv, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Fran6t, Pierre Van Glabeke and Contributors
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+declare(strict_types=1);
+
+namespace Dotclear\Plugin\bloganniv;
+
+use dcCore;
+
+/**
+ * Plugin definitions
+ */
+class My
+{
+    /** @var string Required php version */
+    public const PHP_MIN = '7.4';
+
+    /**
+     * This module id
+     */
+    public static function id(): string
+    {
+        return basename(dirname(__DIR__));
+    }
+
+    /**
+     * This module name
+     */
+    public static function name(): string
+    {
+        return __((string) dcCore::app()->plugins->moduleInfo(self::id(), 'name'));
+    }
+
+    /**
+     * Check php version
+     */
+    public static function phpCompliant(): bool
+    {
+        return version_compare(phpversion(), self::PHP_MIN, '>=');
+    }
+}
diff --git a/src/Widgets.php b/src/Widgets.php
index 313634b..357c9ea 100644
--- a/src/Widgets.php
+++ b/src/Widgets.php
@@ -7,23 +7,26 @@
  *
  * @author Fran6t, Pierre Van Glabeke and Contributors
  *
- * @copyright Jean-Crhistian Denis
+ * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_RC_PATH')) {
-    return null;
-}
+declare(strict_types=1);
 
-dcCore::app()->addBehavior('initWidgets', ['blogAnnivWidgets', 'initWidgets']);
+namespace Dotclear\Plugin\bloganniv;
 
-class blogAnnivWidgets
+use dcCore;
+use Dotclear\Helper\Html\Html;
+use Dotclear\Plugin\widgets\WidgetsStack;
+use Dotclear\Plugin\widgets\WidgetsElement;
+
+class Widgets
 {
-    public static function initWidgets($w)
+    public static function initWidgets(WidgetsStack $w): void
     {
         $w->create(
-            'blogAnniv',
-            __('Blog Anniv'),
-            ['blogAnnivWidgets', 'BlogAnnivWidget'],
+            My::id(),
+            My::name(),
+            [self::class, 'parseWidget'],
             null,
             __('Counting the number of days before and after a particular date')
         )
@@ -37,14 +40,10 @@ class blogAnnivWidgets
         ->addOffline();
     }
 
-    public static function BlogAnnivWidget($w)
+    public static function parseWidget(WidgetsElement $w): string
     {
-        if ($w->offline) {
-            return null;
-        }
-
-        if (!$w->checkHomeOnly(dcCore::app()->url->type)) {
-            return null;
+        if ($w->offline || !$w->checkHomeOnly(dcCore::app()->url->type)) {
+            return '';
         }
 
         $ftdatecrea = $w->ftdatecrea;
@@ -93,8 +92,8 @@ class blogAnnivWidgets
         }
 
         return $w->renderDiv(
-            $w->content_only,
-            'bloganniv ' . $w->class,
+            (bool) $w->content_only,
+            My::id() . ' ' . $w->class,
             '',
             ($w->title ? $w->renderTitle(html::escapeHTML($w->title)) : '') .
             '<ul>' .