function bbp_is_user_spammer( $user_id = 0 ) {

	// Default to current user
	if ( empty( $user_id ) && is_user_logged_in() ) {
		$user_id = bbp_get_current_user_id();
	}

	// No user to check
	if ( empty( $user_id ) ) {
		return false;
	}

	// Assume user is not spam
	$is_spammer = false;

	// Get user data
	$user = get_userdata( $user_id );

	// No user found
	if ( empty( $user ) ) {
		$is_spammer = false;

	// Check if spam
	} elseif ( ! empty( $user->spam ) ) {
		$is_spammer = true;
	}

	// Filter & return
	return (bool) apply_filters( 'bbp_core_is_user_spammer', $is_spammer );
}