From 67412124a43904bf78e78f783e8f1d0254dc7083 Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Wed, 1 Dec 2021 19:59:22 +0200
Subject: [PATCH] fix syntax error under PHP 7.3 7.3 is still the minimum
 requirement for 21.1

---
 api/src/Etemplate/Widget.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/api/src/Etemplate/Widget.php b/api/src/Etemplate/Widget.php
index 8f0ffac02f..79ed256ae6 100644
--- a/api/src/Etemplate/Widget.php
+++ b/api/src/Etemplate/Widget.php
@@ -568,7 +568,10 @@ class Widget
 				$types = $paramType instanceof \ReflectionUnionType
 					? $paramType->getTypes()
 					: [$paramType];
-				if(in_array('array', array_map(fn(\ReflectionNamedType $t) => $t->getName(), $types)) && !is_array($params[$index]))
+				if(in_array('array', array_map(static function(\ReflectionNamedType $t)
+				{
+					return $t->getName();
+				}, $types)) && !is_array($params[$index]))
 				{
 					error_log("$method_name expects an array for {$param->getPosition()}: {$param->getName()}");
 					$params[$index] = (array)$params[$index];