From 227d65b7c27e63c7b6b6a8e10a893dbf33261fda Mon Sep 17 00:00:00 2001
From: Christian Wach <needle@haystack.co.uk>
Date: Fri, 27 Nov 2020 15:03:06 +0000
Subject: [PATCH] Prevent "add_action" from being called multiple times

---
 CRM/Utils/System/WordPress.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CRM/Utils/System/WordPress.php b/CRM/Utils/System/WordPress.php
index 2877ffed2a..98cb5a88fd 100644
--- a/CRM/Utils/System/WordPress.php
+++ b/CRM/Utils/System/WordPress.php
@@ -271,6 +271,7 @@ class CRM_Utils_System_WordPress extends CRM_Utils_System_Base {
       add_action('wp_head', [__CLASS__, '_showHTMLHead']);
       // back-end views
       add_action('admin_head', [__CLASS__, '_showHTMLHead']);
+      $registered = TRUE;
     }
     CRM_Core_Region::instance('wp_head')->add([
       'markup' => $head,
-- 
2.25.1