This adds your Google Analytics ID to the head of your public-facing WordPress pages (not your admin pages) and only for users who aren’t logged-in.
Replace the XXXXXXXXX with your ID and you’re good to go.
By default, it assumes you want to add the script. However, if you’re using my Env555 script, it will also attempt to only add the analytics tag to Production environments, so that you’re not collecting data from any local, development, or staging sites.
<?php
/* Uses Env555, if available */
namespace yOFSQS53;
\add_action( 'wp_head', function () {
$gaID = "XXXXXXXXXXXX";
$addCode = true;
if (function_exists('\Env555\this_is_a_production_site')) {
// only on production for logged out users
$addCode = (\Env555\this_is_a_production_site() && !\is_user_logged_in());
}
if ($addCode === true) {
?>
<!-- Analytics: Google Analytics Tracking Script - JS in wp_head on Production Only with Env555 -->
<script async src="https://www.googletagmanager.com/gtag/js?id=<?php echo $gaID; ?>"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', '<?php echo $gaID; ?>');
</script>
<?php } }, 1000 );
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