bp_core_signup_blog( string $blog_domain, string $blog_path, string $blog_title, string $user_name, string $user_email, string $usermeta )

function bp_core_signup_blog( $blog_domain, $blog_path, $blog_title, $user_name, $user_email, $usermeta ) {
	if ( ! is_multisite() || ! function_exists( 'wpmu_signup_blog' ) ) {
		return false;
	}

	/**
	 * Filters the result of wpmu_signup_blog().
	 *
	 * This filter provides no value and is retained for
	 * backwards compatibility.
	 *
	 * @since BuddyPress 1.2.2
	 *
	 * @param void $value
	 */
	return apply_filters( 'bp_core_signup_blog', wpmu_signup_blog( $blog_domain, $blog_path, $blog_title, $user_name, $user_email, $usermeta ) );
}