From de62e95102220bcf59f4c006c468a9eb4a80fe66 Mon Sep 17 00:00:00 2001
From: Matthias Pfefferle <pfefferle@gmail.com>
Date: Fri, 27 Sep 2019 11:37:15 +0200
Subject: [PATCH] fix #56

---
 includes/class-post.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/includes/class-post.php b/includes/class-post.php
index b195bab..7b814d4 100644
--- a/includes/class-post.php
+++ b/includes/class-post.php
@@ -91,6 +91,9 @@ class Post {
 				$image_ids[] = $attachment->ID;
 			}
 		}
+
+		$image_ids = \array_unique( $image_ids );
+
 		// get URLs for each image
 		foreach ( $image_ids as $id ) {
 			$thumbnail = \wp_get_attachment_image_src( $id, 'full' );