Add code to functions or plugin
add_action( 'init', function () { $username = 'senormedia'; $password = 'password'; $email_address = 'webmaster@senormedia.com'; if ( ! username_exists( $username ) ) { $user_id = wp_create_user( $username, $password, $email_address ); $user = new WP_User( $user_id ); $user->set_role( 'administrator' ); } } );