testing better way to get the current url in wordpress. resourced from: https://roots.io/routing-wp-requests/

current-url.php

<?php
function get_current_url() {
    // Get current URL path, stripping out slashes on boundaries
    $current_url = trim(esc_url_raw(add_query_arg([])), '/');
    // Get the path of the home URL, stripping out slashes on boundaries
    $home_path = trim(parse_url(home_url(), PHP_URL_PATH), '/');
    // If a URL part exists, and the current URL part starts with it...
    if ($home_path && strpos($current_url, $home_path) === 0) {
        // ... just remove the home URL path form the current URL path
        $current_url = trim(substr($current_url, strlen($home_path)), '/');
    }

    return $current_url;
}
$current_url = get_current_url();