bp_core_get_total_member_count()

function bp_core_get_total_member_count() {
	global $wpdb;

	$count = wp_cache_get( 'bp_total_member_count', 'bp' );

	if ( false === $count ) {
		$status_sql = bp_core_get_status_sql();
		$count = $wpdb->get_var( "SELECT COUNT(ID) FROM {$wpdb->users} WHERE {$status_sql}" );
		wp_cache_set( 'bp_total_member_count', $count, 'bp' );
	}

	/**
	 * Filters the total number of members for the installation.
	 *
	 * @since BuddyPress 1.2.0
	 *
	 * @param int $count Total number of members.
	 */
	return apply_filters( 'bp_core_get_total_member_count', $count );
}