WordPress Plugin Default code

scripts-to-head.php

<?php
/**
 * Plugin Name: Scripts to Head
 * Plugin URI: https://thepartytraveller.com
 * Description: Add Scripts to head without any other noise
 * Version: 1.0
 * Author: Robin
 * Author URI: https://thepartytraveller.com
*/

function as_code_to_header() {
        ?>
        <script async src="https://www.googletagmanager.com/gtag/js?id=XX-XX-XXXX"></script>
        <script>
          window.dataLayer = window.dataLayer || [];
          function gtag(){dataLayer.push(arguments);}
          gtag('js', new Date());
         gtag('config', 'XX-XXX-XX', { 'anonymize_ip': true, 'ALLOW_DISPLAY_FEATURES': FALSE });
        </script>
    <?php
 
}
 
add_action( 'wp_head', 'as_code_to_header' );