From fcdac15052cd06d70cc1857ecb0b5345f1a40164 Mon Sep 17 00:00:00 2001
From: Maria Fisher <maria.fisher@thinkshout.org>
Date: Wed, 16 Jun 2021 15:18:35 -0700
Subject: [PATCH] Issue #35 PHP 7.4 warning.

---
 src/Plugin/Field/FieldWidget/ViewModeSelectorIcons.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Plugin/Field/FieldWidget/ViewModeSelectorIcons.php b/src/Plugin/Field/FieldWidget/ViewModeSelectorIcons.php
index 72bc85d..4aae077 100644
--- a/src/Plugin/Field/FieldWidget/ViewModeSelectorIcons.php
+++ b/src/Plugin/Field/FieldWidget/ViewModeSelectorIcons.php
@@ -141,7 +141,7 @@ public function formElement(FieldItemListInterface $items, $delta, array $elemen
       }
 
       // Use the generated markup as our label value.
-      $element['value']['#options'][$view_mode] = implode($output, '');
+      $element['value']['#options'][$view_mode] = implode('', $output);
     }
 
     return $element;