From 028173f77253abb8fadaac3421972e3de800fd4b Mon Sep 17 00:00:00 2001
From: Peter Kraume <peter.kraume@gmx.de>
Date: Tue, 5 Dec 2023 17:08:27 +0100
Subject: [PATCH] [BUGFIX] Prevent undefined array key warning

Fixes: #565
---
 Classes/Service/LinkingSuggestionsService.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Classes/Service/LinkingSuggestionsService.php b/Classes/Service/LinkingSuggestionsService.php
index 126aef15..d6b64572 100644
--- a/Classes/Service/LinkingSuggestionsService.php
+++ b/Classes/Service/LinkingSuggestionsService.php
@@ -254,6 +254,9 @@ protected function groupWordsByRecord(array $candidateWords): array
         $candidateWordsByRecords = [];
         foreach ($candidateWords as $candidateWord) {
             $recordKey = $candidateWord['uid_foreign'] . '-' . $candidateWord['tablenames'];
+            if (!array_key_exists('weight', $candidateWord) || array_key_exists('df', $candidateWord)) {
+                continue;
+            }
             $candidateWordsByRecords[$recordKey][$candidateWord['stem']] = [
                 'weight' => (int)$candidateWord['weight'],
                 'df' => (int)$candidateWord['df']