#include <a_samp>

new carol[MAX_PLAYERS];

public OnPlayerCommandText(playerid, cmdtext[])
{
    if(IsPlayerFlooding(playerid, 5))
        return SendClientMessage(playerid, -1,"Nгo floode comandos!");

    carol[playerid] = gettime();
    return 0;
}

stock IsPlayerFlooding(playerid, tempo)
{
    if(gettime() - carol[playerid] < tempo)   return true;
    return false;
}