From f9a130bcfe19063e56916afe5b54eef992bbd17c Mon Sep 17 00:00:00 2001
From: Martin Monperrus <martin.monperrus@gnieh.org>
Date: Mon, 9 Aug 2021 09:15:49 +0000
Subject: [PATCH] add support for PHP8 (#114)

---
 .travis.yml       | 2 ++
 bibtexbrowser.php | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index bcfe860..defa4c0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,10 +4,12 @@ services:
   # wp-publications is a Wordpress plugin, wordpress requires mysql
   - mysql
 
+# doc at https://docs.travis-ci.com/user/languages/php/
 php:
   - '7.2' # release 30 November 2017
   - '7.3' # release 6 December 2018
   - '7.4' # release 28 November 2019
+  - '8.0'
 
 script:
     - curl -L -o reflectivedoc.php https://www.monperrus.net/martin/reflectivedoc.php.txt
diff --git a/bibtexbrowser.php b/bibtexbrowser.php
index cf4ca12..b5ac58b 100755
--- a/bibtexbrowser.php
+++ b/bibtexbrowser.php
@@ -3123,7 +3123,7 @@ class SimpleDisplay  {
 
   var $headingLevel = BIBTEXBROWSER_HTMLHEADINGLEVEL;
 
-  function __construct($db = NULL, $query = NULL) {
+  function __construct($db = NULL, $query = array()) {
     if ($db == NULL) return;
     $this->setEntries($db->multisearch($query));
   }