From 0a548062240dac8ddcdba04b5577b118989ca2e6 Mon Sep 17 00:00:00 2001
From: Alexander O'Neill <aoneill@upei.ca>
Date: Mon, 19 Nov 2018 15:18:10 -0400
Subject: [PATCH] Fix PHP Notice.

---
 bibcite_footnotes.module | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bibcite_footnotes.module b/bibcite_footnotes.module
index 841d99a..180dc63 100644
--- a/bibcite_footnotes.module
+++ b/bibcite_footnotes.module
@@ -76,6 +76,9 @@ function bibcite_footnotes_preprocess_bibcite_footnote_list(&$variables) {
   $dont_show_backlink_text = $config['reference_dont_show_backlink_text'];
   $sort_references_by = $config['reference_sort_by'];
   $citation_tools = new CitationTools();
+  if (empty($footnotes)) {
+    return;
+  }
   foreach ($footnotes as $fn) {
     $item = [
       '#id' => $fn['fn_id'],