Someone

    if (!strcmp(cmdtext, "/bc", true, 3)) {
	  	if (playerInSphere3[playerid] == 1) {
	  	   if((GetTickCount() - playerBroadcastTime[playerid]) < 600000) {
	  		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;
	  	}