Hướng dẫn thêm mã nhúng Google Google Tag Manager (hoặc bất kỳ mã nhúng khác) vào thẻ head

function akasa_add_header() {?>
<!– 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-W347S2N’);</script>
<!– End Google Tag Manager –><?php
}
add_action(‘wp_head’, ‘akasa_add_header’);