From 8063b9a8ef5daddb64a98d92cd6492dbfb7d7496 Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Sat, 13 Nov 2021 17:18:21 +0100
Subject: [PATCH] fix PHP 8.0 TypeError: array_merge(): Argument #1 must be of
 type array, null given

---
 api/src/Etemplate/Widget/Link.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/src/Etemplate/Widget/Link.php b/api/src/Etemplate/Widget/Link.php
index 140d4c6488..82a60d3eeb 100644
--- a/api/src/Etemplate/Widget/Link.php
+++ b/api/src/Etemplate/Widget/Link.php
@@ -373,7 +373,7 @@ class Link extends Etemplate\Widget
 			$already = self::get_array($validated,$form_name);
 			if($already != null)
 			{
-				$value = array_merge($value,$already);
+				$value = array_merge((array)$value,  $already);
 			}
 			// Automatically do link if user selected entry but didn't click 'Link' button
 			$link = self::get_array($content, self::form_name($cname, $this->id . '_link_entry'));