From 7d28cfce9ab66856fa3d8d243cb0f798a90f8855 Mon Sep 17 00:00:00 2001
From: Mike Sheppard <mike@slowrush.co.uk>
Date: Tue, 26 Jan 2021 16:28:46 +0000
Subject: [PATCH] Fix "Only variables should be passed by reference" error

---
 src/Crumb.php | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/Crumb.php b/src/Crumb.php
index ac32c6d..fd5224c 100644
--- a/src/Crumb.php
+++ b/src/Crumb.php
@@ -167,11 +167,10 @@ public function build()
         }
 
         if (is_singular('post')) {
-            $category = array_shift(
-                get_the_category(get_the_ID())
-            );
+            $categories = get_the_category(get_the_ID());
 
-            if (! empty($category)) {
+            if (! empty($categories)) {
+                $category = array_shift($categories);
                 $this->add(
                     $category->name,
                     get_category_link($category),