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Google Tag Manager snippet #wordpress #templates #library #seo
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| /** | |
| * Add Google Tag Manager | |
| * | |
| * @see http://kb.dotherightthing.dan/seo/google-tag-manager-gtm/ | |
| * @example | |
| * add_action( 'wp_enqueue_scripts', 'wpdtrt_dbth_js_link_gtm' ) | |
| */ | |
| function wpdtrt_dbth_js_link_gtm() { | |
| /** | |
| * Link assets to theme version to ensure user gets the latest version | |
| * | |
| * @see https://wordpress.org/ideas/topic/add-theme-version-number-to-stylesheet-url-not-wp-version | |
| */ | |
| $theme_version = wp_get_theme()->Version; | |
| $header = 'inline_scripts_hook'; | |
| // Check for ACF function. | |
| if ( function_exists( 'get_field' ) ) { | |
| wp_localize_script( | |
| $header, | |
| 'wpdtrt_gtm_container_id', | |
| get_field( 'wpdtrt_acf_gtm_container_id', 'option' ) | |
| ); | |
| // Google Tag Manager. | |
| wp_add_inline_script( $header, "(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',wpdtrt_gtm_container_id);" | |
| ); | |
| } | |
| } |
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| <?php | |
| /** | |
| * Include this partial immediately after the opening <body> tag. | |
| * The <head> portion is loaded in js.php | |
| * | |
| * @see http://kb.dotherightthing.dan/seo/google-tag-manager-gtm/ | |
| */ | |
| // Check for ACF function. | |
| if ( function_exists( 'the_field' ) ) : | |
| ?> | |
| <!-- Google Tag Manager (noscript) --> | |
| <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=<?php the_field( 'wpdtrt_acf_gtm_container_id', 'option' ); ?>" | |
| height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> | |
| <!-- End Google Tag Manager (noscript) --> | |
| <?php | |
| endif; | |
| ?> |
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