Ticket #27565: 27565.3.diff

src/wp-includes/widgets/class-wp-widget-recent-posts.php

@@ -20 +20 @@
                 $widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "Your site’s most recent Posts.") );
                 parent::__construct('recent-posts', __('Recent Posts'), $widget_ops);
                 $this->alt_option_name = 'widget_recent_entries';
-
-                add_action( 'save_post', array($this, 'flush_widget_cache') );
-                add_action( 'deleted_post', array($this, 'flush_widget_cache') );
-                add_action( 'switch_theme', array($this, 'flush_widget_cache') );
         }
 
         /**
@@ -31 +27 @@
          * @param array $instance
          */
         public function widget( $args, $instance ) {
-                $cache = array();
-                if ( ! $this->is_preview() ) {
-                        $cache = wp_cache_get( 'widget_recent_posts', 'widget' );
-                }
-
-                if ( ! is_array( $cache ) ) {
-                        $cache = array();
-                }
-
                 if ( ! isset( $args['widget_id'] ) ) {
                         $args['widget_id'] = $this->id;
                 }
 
-                if ( isset( $cache[ $args['widget_id'] ] ) ) {
-                        echo $cache[ $args['widget_id'] ];
-                        return;
-                }
-
-                ob_start();
-
                 $title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Posts' );
 
                 /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
@@ -99 +79 @@
                 wp_reset_postdata();
 
                 endif;
-
-                if ( ! $this->is_preview() ) {
-                        $cache[ $args['widget_id'] ] = ob_get_flush();
-                        wp_cache_set( 'widget_recent_posts', $cache, 'widget' );
-                } else {
-                        ob_end_flush();
-                }
         }
 
         /**
@@ -118 +91 @@
                 $instance['title'] = sanitize_text_field( $new_instance['title'] );
                 $instance['number'] = (int) $new_instance['number'];
                 $instance['show_date'] = isset( $new_instance['show_date'] ) ? (bool) $new_instance['show_date'] : false;
-                $this->flush_widget_cache();
-
-                $alloptions = wp_cache_get( 'alloptions', 'options' );
-                if ( isset($alloptions['widget_recent_entries']) )
-                        delete_option('widget_recent_entries');
-
                 return $instance;
         }
 
         /**
-         * @access public
-         */
-        public function flush_widget_cache() {
-                wp_cache_delete('widget_recent_posts', 'widget');
-        }
-
-        /**
          * @param array $instance
          */
         public function form( $instance ) {