Проверка дали сървъра е онлайн

uphero

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как да изкарам от този код само сървърите които са онлайн

Код:
<?PHP if(!DEFINED('human')) die('<code>PERMISSION DENIDED!</code>'); ?>
<table cellpadding="0" cellspacing="0" style="border: #000000 1px solid;padding-left: 3px;width:100%" class="title">
<?php
$onpage = 8;
if(is_numeric($_GET[cid])){
	$sql = " and `servers`.`cid`='$_GET[cid]'";
}
else {
	$sql='';
}
if(is_numeric($_GET['page']) and $_GET[page]>0){$page=$_GET['page'];}else{$page='0';}
$db->zaqvka("SELECT * FROM `servers`, `cats` where `servers`.`cid`=`cats`.`cid` and od='1' $sql");
$br = $db->broi();
$lm1 = $page * $onpage;
$db->zaqvka("SELECT * from `servers`,`cats` where  `servers`.`cid` = `cats`.`cid` and od='1' $sql order by servers.sid desc limit $lm1,$onpage");
if($db->broi()==0){
	echo "<tr><td>Няма сървъри</tr><td>";
}
else {
	echo  "<tr><td height=\"20\">Сървър</td><td>Тип</td><td>Играчи</td><td>Карта</td><td>Статус</td></tr>";
		$m = 1;
	while($r=$db->rezultati()){
		if($m==1){
			$color = '#FFFFFF';
			$tcolor = '#000000';
			$m=2;
		}
		else{
			$color = '#F3F3F3';
			$tcolor = '#000000';
			$m=1;
		}
		//$st = query($r[ip],$r[port],'status');
		$sinfo = query($r[ip], $r[port], 'info');
  if($sinfo){$status = '<font color="green">Online</font>';}else{$status = '<font color="red">Offline</font';}
  $ime = $r[ime];

  $karta = isset($sinfo[mapname]) ? $sinfo[mapname] : 'N/A';
$sinfo[players] = isset($sinfo[players]) ? $sinfo[players] : 0;
$sinfo[maxplayers] = isset($sinfo[maxplayers]) ? $sinfo[maxplayers] : 0;
  $players = $sinfo[players].'/'.$sinfo[maxplayers];
$r[ip]=gethostbyname($r[ip]);
	echo   "<tr><td style=\"border: #cccccc 1px solid;background: $color;\"><a href=\"index.php?module=server&servid=$r[sid]\"><span style=\"color:$tcolor\">$r[0]<br>$r[ip]:$r[port]</span></a></td><td style=\"border: #cccccc 1px solid;background: $color;\"><a href=\"index.php?module=servers&cid=$r[cid]\"><span style=\"color:$tcolor\">$r[ime]</span></a></td><td style=\"border: #cccccc 1px solid;background: $color;\">$players</td><td style=\"border: #cccccc 1px solid;background: $color;\">$karta</td><td style=\"border: #cccccc 1px solid;background: $color;\">$status</td></tr>";
	
	}
}
	$nav = stranici('index.php?module=servers&page=', $onpage, 10, $br, $page, '&cid='.$_GET[cid]);
	?>
	</table>
	<br><center><?=$nav?></center>
 

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