From a2f089fcf7e08d6d2f91a297dfd48e441d8875e7 Mon Sep 17 00:00:00 2001
From: Steven McCoy <steven@codevelop.ca>
Date: Sun, 14 Apr 2019 07:45:24 -0400
Subject: [PATCH] Ensures context attributes are an array

Without this, we encounter numerous warnings about running foreach on a non-array
---
 bem.function.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bem.function.php b/bem.function.php
index 00bd459..b86550e 100644
--- a/bem.function.php
+++ b/bem.function.php
@@ -43,6 +43,11 @@
   if (class_exists('Drupal')) {
     $attributes = new Attribute();
 
+    // Ensure that the context attributes are an array (this is not a given)
+    if (!$context['attributes']) {
+      $context['attributes'] = [];
+    }
+
     // Iterate the attributes available in context.
     foreach($context['attributes'] as $key => $value) {
       // If there are classes, add them to the classes array.