user_id confirm code

hello I a?adigo in the php file functions son of my subject user_id fragment of code to the code of google analytics can anyone tell me if properly added the code snippet user_id( ga(‘set’, ‘&uid’, {{USER_ID}});) ?

function my_tag_manager() {
?>
<script>
dataLayer=[];
</script>
<noscript><iframe src=”//www.googletagmanager.com/ns.html?id=GTM——-“
height=”0″ width=”0″ style=”display:none;visibility:hidden”></iframe></noscript>
<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=
‘//www.googletagmanager.com/gtm.js?id=’+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,’script’,’dataLayer’,’GTM——-‘);ga(‘set’, ‘&uid’, {{USER_ID}});</script>
<!– End Google Tag Manager –>

<?php
}