@@ -46,6 +46,10 @@ class Rucy_Class {

             add_filter('manage_'.$p.'_columns', array( $this, 'manage_rucy_cols' ) );

             add_action('manage_'.$p.'_custom_column', array( $this, 'add_rucy_col' ), 10, 2); 

         }

+        // deactivation this plugin

+        register_deactivation_hook( __FILE__ , array( $this, 'uninstall_rucy' ) );

+        // uninstall this plugin

+        register_uninstall_hook( __FILE__, array( $this, 'uninstall_rucy' ) );

     }

     public function activate_plugin() {

@@ -102,5 +106,17 @@ class Rucy_Class {

             }

         }

     }

+    

+    public function uninstall_rucy() {

+        wp_clear_scheduled_hook( RC_CRON_HOOK );

+        delete_option( RC_SETTING_OPTION_KEY );

+        $all_posts = get_posts( 'numberposts=-1&post_status=' );

+        $meta_keys = array( 'accept', 'content', 'date', 'feature_img', 'accept_feature_img', 'accept_update' );

+        foreach ( $all_posts as $post_info ) {

+            foreach ( $meta_keys as $key ) {

+                delete_post_meta( $post_info->ID, $key );

+            }

+        }

+    }

 }

 new Rucy_Class();

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