function bp_blog_signup_enabled() {
	$bp            = buddypress();
	$retval        = true;
	$active_signup = 'all';

	if ( isset( $bp->site_options['registration'] ) ) {
		$active_signup = $bp->site_options['registration'];
	}

	/**
	 * Filters whether or not blog creation is enabled.
	 *
	 * Return "all", "none", "blog" or "user".
	 *
	 * @since 1.0.0
	 *
	 * @param string $active_signup Value of the registration site option creation status.
	 */
	$active_signup = apply_filters( 'wpmu_active_signup', $active_signup );

	if ( 'none' === $active_signup || 'user' === $active_signup ) {
		$retval = false;
	}

	return $retval;
}