init

src/WPDesk/Notice/AjaxHandler.php

@@ -66,7 +66,10 @@ class AjaxHandler implements HookablePluginDependant
     {
         if (isset($_POST[self::POST_FIELD_NOTICE_NAME])) {
             $noticeName = $_POST[self::POST_FIELD_NOTICE_NAME];
-            delete_option(PermanentDismissibleNotice::OPTION_NAME_PREFIX . $noticeName);
+            update_option(
+                PermanentDismissibleNotice::OPTION_NAME_PREFIX . $noticeName,
+                PermanentDismissibleNotice::OPTION_VALUE_DISMISSED
+            );
         }
         die();
     }

src/WPDesk/Notice/PermanentDismissibleNotice.php

@@ -11,6 +11,7 @@ class PermanentDismissibleNotice extends Notice
 {
 
     const OPTION_NAME_PREFIX = 'wpdesk_notice_dismiss_';
+    const OPTION_VALUE_DISMISSED = '1';
 
     /**
      * @var string
@@ -28,12 +29,17 @@ class PermanentDismissibleNotice extends Notice
      * @param string $noticeType Notice type.
      * @param string $noticeContent Notice content.
      * @param string $noticeName Notice dismiss option name.
+     * @param int    $priority Priority
      */
-    public function __construct($noticeType, $noticeContent, $noticeName)
+
+    public function __construct($noticeType, $noticeContent, $noticeName, $priority = 10)
     {
-        parent::__construct($noticeType, $noticeContent, true);
+        parent::__construct($noticeType, $noticeContent, true, $priority);
         $this->noticeName = $noticeName;
         $this->noticeDismissOptionName = static::OPTION_NAME_PREFIX . $noticeName;
+        if (self::OPTION_VALUE_DISMISSED === get_option($this->noticeDismissOptionName, '')) {
+            remove_action('admin_notices', [$this, 'showNotice'], $priority);
+        }
     }
 
     /**