Someone

    if (!strcmp(cmdtext, "/bc", true, 3)) {
     for (new i=0; i < MAX_PLAYERS; i++) {
	  	if (playerInSphere3[i] == 1) {
	  		new str2[256], pname2[256]; GetPlayerName(playerid, pname2, 256);
			format(str2, 256, "~b~%s ~y~says: ~n~ %s", pname2, cmdtext[3]);
    		GameTextForAll( str2, 5000, 3);
	    	}
        return 1;
	  	}
    }


public BC()
{
	for (new i=0; i < MAX_PLAYERS; i++) {
    if((GetTickCount() - playerBroadcastTime[i]) < 600000) {
	SendClientMessage(i, 0xFFFF00AA, "idiot, you used /bc less than 10 mins ago");
    	}
	}
}