1 Month trial

add_action('user_register',function ($user){
	update_user_option( $user, 'jpw_subscribe_status', 'ACTIVE' );
	update_user_option( $user, 'jpw_expired_date', date( 'Y-m-d H:i:s', strtotime( '+4 week' ) ) );
	update_user_option( $user, 'jpw_subs_type', 'trial' );
});