[HitterHitman]

pawn Код:

public OnPlayerCommandText(playerid, cmdtext[])
{
    dcmd(w,1,cmdtext)
    return 0;
}
dcmd_w(playerid,params[])
{
    new Pname[28];
    GetPlayerName(playerid,Pname,sizeof(Pname));
    new string[128];
    if(!strlen(params))
    {
        SendClientMessage(playerid,COLOR_ERROR,"USAGE: /w (msg)");
        return 1;
    }
    format(string, sizeof(string), "[WHISPER] %s(%d): %s",Pname(playerid),playerid,params);
    printf("%s", string);
    for(new i=0;i<MAX_PLAYERS;i++)
    {
        if(IsPlayerConnected(i) && GetDistanceBetweenPlayers(playerid,i) < 10)
        {
            format(string, sizeof(string), "[WHISPER] %s(%d): %s",Pname(playerid),playerid,params);
            SendClientMessage(i,COLOR_YELLOW,string);
        }
    }
    return 1;
}

Its just a example try it.