[Konstantinos]

@ fordawinzz

pawn Код:

if(giveplayerid != INVALID_PLAYER_ID) return SendClientMessage(playerid, COLOR_GRAD1, "That player is not an active one.");

If the player isn't invalid it will return the message that he is.
@malcomjones

pawn Код:

CMD:pay( playerid, params[ ] )
{
    new giveplayerid, moneys, giveplayerid[ MAX_PLAYER_NAME ], sendername[ MAX_PLAYER_NAME ], string[ 128 ];
    GetPlayerName( giveplayerid, giveplayer, sizeof( giveplayer ) );
    GetPlayerName( playerid, sendername, sizeof( sendername ) );
    if( isnull( params ) ) return SendClientMessage( playerid, COLOR_GRAD1, "USAGE: /pay [playerid/PartOfName] [amount]" );
    if( moneys < 1000 && PlayerInfo[ playerid ][ pLevel ] < 3 ) return SendClientMessage( playerid, COLOR_GRAD1, "You must be level 3 to pay over 1000" );
    if( moneys < 1 || moneys > 99999 ) return SendClientMessage( playerid, COLOR_GRAD1, "Dont go below 1, or above 99999 at once." );
    if( giveplayerid == INVALID_PLAYER_ID ) return format( string, sizeof( string ), "%d is not an active player.", giveplayerid ), SendClientMessage( playerid, COLOR_GRAD1, string );
    if( PlayerInfo[ giveplayerid ][ pLocal ] == 106 ) return SendClientMessage( playerid, COLOR_GRAD1, "Command not allowed in this location" );
    if( ProxDetectorS( 5.0, playerid, giveplayerid ) )
    {
        playermoney = GetPlayerMoney( playerid );
        if( moneys < 0 && playermoney < moneys ) return SendClientMessage(playerid, COLOR_GRAD1, "Invalid transaction amount.");
        ConsumingMoney[giveplayerid] = 1;
        GivePlayerMoney(playerid, (0 - moneys));
        GivePlayerMoney(giveplayerid, moneys);
        format(string, sizeof(string), "   You have sent %s(player: %d), $%d.", giveplayer,giveplayerid, moneys);
        PlayerPlaySound(playerid, 1052, 0.0, 0.0, 0.0);
        SendClientMessage(playerid, COLOR_GRAD1, string);
        format(string, sizeof(string), "   You have recieved $%d from %s(player: %d).", moneys, sendername, playerid);
        SendClientMessage(giveplayerid, COLOR_GRAD1, string);
        format(string, sizeof(string), "%s has paid $%d to %s", sendername, moneys, giveplayer);
        PayLog(string);
        if(moneys >= 1000000) {
            ABroadCast(COLOR_YELLOW,string,1);
        }
        PlayerPlaySound(giveplayerid, 1052, 0.0, 0.0, 0.0);
        format(string, sizeof(string), "* %s takes out some cash, and hands it to %s.", sendername ,giveplayer);
        ProxDetector(30.0, playerid, string, COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE);
    }
    else SendClientMessage(playerid, COLOR_GRAD1, "Your too far away.");
    return 1;
}