Skip to content

Instantly share code, notes, and snippets.

@martinbkaiser

martinbkaiser/add-gtm-wp.php

Forked from jsn789/add-gtm-wp.php
Last active May 5, 2020 22:24
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save martinbkaiser/7627fb639da9cae76d9327cb2c7258b0 to your computer and use it in GitHub Desktop.
Save martinbkaiser/7627fb639da9cae76d9327cb2c7258b0 to your computer and use it in GitHub Desktop.
Download ZIP
Add Google Tag Manager through functions.php in WordPress
Raw
add-gtm-wp.php
/* Add Google Tag Manager javascript code as close to
the opening <head> tag as possible
=====================================================*/
function add_gtm_head(){ ?>
<!-- Google Tag Manager -->
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-XXXX');</script>
<!-- End Google Tag Manager -->
<?php }
add_action( 'wp_head', 'add_gtm_head', 10 );
/* Add Google Tag Manager noscript codeimmediately after
the opening <body> tag
========================================================*/
function add_gtm_body(){ ?>
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-XXXX"
height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- End Google Tag Manager (noscript) -->
<?php }
add_action( 'wp_body_open', 'add_gtm_body' );
// 'wp_body_open' Wordpress 5.2 default action
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment