Mine

new gFloodCount[MAX_PLAYERS];

public OnGameModeInit()
{
	SetTimer("FloodProtection",3000, 1);
}

public OnPlayerText(playerid, text[])
{
	new count;
	count = gFloodCount[playerid];
	count = count+1;
	gFloodCount[playerid] = count;
	return 1;
}

public FloodProtection()
{
	for(new i=0; i<MAX_PLAYERS; i++) {
	    if(gFloodCount[i] >= 3) {
	    	new string[256], name[20];
	        GetPlayerName(i, name, sizeof(name));
	        format(string,sizeof(string),"%s has been kicked (Flood/Spam Protection)",name);
	        SendClientMessageToAll(COLOR_DARKRED, string);
	        Kick(i);
		}
		gFloodCount[i] = 0;
	}
	return 1;
}