From 8c6fd6553499cccc5201dbba523b803508e84b30 Mon Sep 17 00:00:00 2001
From: Kienan Stewart <kienan.stewart@burntworld.ca>
Date: Sat, 28 Jul 2018 14:22:25 -0400
Subject: [PATCH] Check if classes is set before iterating over it when
 invoking a hook

---
 bureau/class/m_hooks.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bureau/class/m_hooks.php b/bureau/class/m_hooks.php
index 1093b077..0e10746a 100644
--- a/bureau/class/m_hooks.php
+++ b/bureau/class/m_hooks.php
@@ -53,6 +53,11 @@ class m_hooks {
         // existe on l'execute et on rajoute ce qu'elle a retourné dans
         // un tableau
         $val = array();
+        if (!$classes) {
+            // Leaving early if classes isn't set prevents PHP warnings.
+            // Happens frequently when running PHPUnit tests.
+            return $val;
+        }
         foreach ($classes as $c) {
             global $$c;
             if (method_exists($$c, $hname)) {