From fe39185894cc7c7f1d4d50b15cc96476b35641d9 Mon Sep 17 00:00:00 2001
From: Frederik Ramm <frederik@remote.org>
Date: Thu, 6 May 2021 20:44:04 +0200
Subject: [PATCH] Add array_key_last function for PHP <7.3

This patch adds an array_key_last function if it doesn't yet exist, fixes #2316. It is tested on PHP 7.2.24 but not PHP 7.3.
---
 lib-php/lib.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib-php/lib.php b/lib-php/lib.php
index a1f528fa..8d82c5b3 100644
--- a/lib-php/lib.php
+++ b/lib-php/lib.php
@@ -227,3 +227,10 @@ function closestHouseNumber($aRow)
 
     return max(min($aRow['endnumber'], $iHn), $aRow['startnumber']);
 }
+
+if (!function_exists('array_key_last')) {
+    function array_key_last(array $array)
+    {
+        if (!empty($array)) return key(array_slice($array, -1, 1, true));
+    }
+}
-- 
2.39.5