stock GetCommandInText(text[],const command[] = "@"){
        if(strlen(command) > 1){
                print("[debug]: invalid command. See GetCommandInText");
                return -1;
        }
        new result = strfind(text, command);
        strdel(text, 0, result+1);
        strdel(text, result, strlen(text));
        return strval(text);
}

public OnPlayerText(playerid, text[])
{
        if(IsPlayerConnected(GetCommandInText(text, "&"))){
                new pName[MAX_PLAYER_NAME+1], str[11-2+MAX_PLAYER_NAME+1];
                GetPlayerName(GetCommandInText(text, "&"), pName, MAX_PLAYER_NAME+1);
                format(str, sizeof str, "Привет %s!", pName);
                SetPlayerChatBubble(playerid, -1, str);
                return false;
        }
}