Exclude spam users

yz-exclude-spam-users.php

/**
 * Exclude Spam Users
 */
function youzer_md_exclude_spam_users( $retval ) {

    global $wpdb;

    $sql = "SELECT ID FROM {$wpdb->users} WHERE user_status != 0";
    $exclude_spam_users = $wpdb->get_col( $sql );

    if ( ! empty( $exclude_spam_users ) ) {
        $retval['exclude'] = implode( ',', wp_parse_id_list( $exclude_spam_users ) );     
    }

    return $retval;
}

add_filter( 'bp_before_has_members_parse_args', 'youzer_md_exclude_spam_users', 999 );