From 4dc270f1744013538206fbfa3e1298259f553911 Mon Sep 17 00:00:00 2001
From: modaresimr <9498182+modaresimr@users.noreply.github.com>
Date: Thu, 3 Feb 2022 10:12:43 +0100
Subject: [PATCH] Fix error when $field is empty

---
 includes/revisions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/revisions.php b/includes/revisions.php
index 4e50595c..5e9787e9 100644
--- a/includes/revisions.php
+++ b/includes/revisions.php
@@ -273,7 +273,7 @@ function wp_post_revision_field( $value, $field_name, $post = null, $direction =
 			}
 
 			// image
-			if ( $field['type'] == 'image' || $field['type'] == 'file' ) {
+			if ( $field &&($field['type'] == 'image' || $field['type'] == 'file' )) {
 
 				$url   = wp_get_attachment_url( $value );
 				$value = $value . ' (' . $url . ')';