use anonymous function

_public.php

@@ -14,26 +14,7 @@ if (!defined('DC_RC_PATH')) {
     return null;
 }
 
-dcCore::app()->addBehavior(
+dcCore::app()->addBehavior('publicEntryAfterContent', function (dcCore $core, context $_ctx) {
-    'publicEntryAfterContent',
-    ['facPublic', 'publicEntryAfterContent']
-);
-
-/**
- * @ingroup DC_PLUGIN_FAC
- * @brief Linked feed to entries - public methods.
- * @since 2.6
- */
-class facPublic
-{
-    /**
-     * Add feed after entry
-     *
-     * @param  dcCore $core dcCore instance
-     * @param  context $_ctx context instance
-     */
-    public static function publicEntryAfterContent(dcCore $core, context $_ctx)
-    {
     dcCore::app()->blog->settings->addNamespace('fac');
 
     # Not active or not a post
@@ -235,5 +216,4 @@ class facPublic
         }
     }
     echo '</dl></div>';
-    }
+});
-}