mysql_pquery(conhand, "SELECT COUNT(*) FROM `users`", "OnAccountsCount", "i", playerid);

public OnAccountsCount(playerid)
{
    new rows, fields;

    cache_get_data(rows, fields);

    format(str, sizeof(str), "%s", AddCommas(rows));

    format(strang, sizeof(strang), "{%06x}%s(%d) "C_SUCCESS"has registered. We now have %s registered players.",
     GetPlayerColor(playerid) >>> 8, DATA[playerid][Name], playerid, str);

        SendClientMessageToAll(-1, strang);

        return 1;
}