From: Pascal Deklerck <pascal.deklerck@gmail.com>
Date: Wed, 13 Jun 2018 19:57:59 +0000 (+0200)
Subject: Defensive code for the case when addon_hooks key does not exist
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=7ef81f909fc04e261a7c04d4822d79dd7fce6e65;p=friendica-addons.git

Defensive code for the case when addon_hooks key does not exist
---

diff --git a/mathjax/mathjax.php b/mathjax/mathjax.php
index 6f4dd395..91a6a066 100644
--- a/mathjax/mathjax.php
+++ b/mathjax/mathjax.php
@@ -27,7 +27,12 @@ function mathjax_uninstall() {
     Addon::unregisterHook('template_vars', 'addon/mathjax/mathjax.php', 'mathjax_template_vars');
 }
 
-function mathjax_template_vars($a, &$arr) {
+function mathjax_template_vars($a, &$arr)
+{
+    if (!array_key_exists('addon_hooks',$arr['vars']))
+    {
+	$arr['vars']['addon_hooks'] = array();
+    }
     $arr['vars']['addon_hooks'][] = "mathjax";
 }