From 6da0a19746882e2da8e308bc82a820d88a8c0baa Mon Sep 17 00:00:00 2001
From: Alex Tolar <>
Date: Mon, 4 Jun 2018 17:18:34 +0200
Subject: [PATCH] on thumb removal: delete thumbnail_meta postmeta

---
 wds-multisite-aggregate.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/wds-multisite-aggregate.php b/wds-multisite-aggregate.php
index b6bb737..94711fd 100644
--- a/wds-multisite-aggregate.php
+++ b/wds-multisite-aggregate.php
@@ -466,6 +466,19 @@ public function save_meta_fields( $post_id, $post, $meta_to_sync ) {
 			$this->set_thumbnail_by_url( $meta_to_sync[ 'thumbnail_url' ], $post_id );
 			unset( $meta_to_sync[ 'thumbnail_url' ]);
 		}
+
+		// remove 'thumbnail_html*' meta for aggregated post if thumbnail removed on original post
+		$thumbs_meta = array_filter($meta_to_sync,function($k){
+			return strpos($k,'thumbnail_html') === 0;
+		});
+		if(!count($thumbs_meta)) {
+			foreach (get_post_meta($post_id) as $k => $value) {
+				if( strpos($k,'thumbnail_html') === 0 ) {
+					delete_post_meta($post_id,$k );
+				}
+			}
+		}
+
 		foreach ( (array) $meta_to_sync as $key => $value ) {
 			if ( $value ) {
 				$updated[ $key ] = add_post_meta( $post_id, $key, $value );