function source_query($ip){
$cut = explode(":", $ip);
$HL2_address = $cut[0];
$HL2_port = $cut[1];
$HL2_command = "\377\377\377\377TSource Engine Query\0";
$HL2_socket = fsockopen("udp://".$HL2_address, $HL2_port, $errno, $errstr,3);
fwrite($HL2_socket, $HL2_command);
$JunkHead = fread($HL2_socket,4);
$CheckStatus = socket_get_status($HL2_socket);
if($CheckStatus["unread_bytes"] == 0)return 0;
$do = 1;
while($do){
$str = fread($HL2_socket,1);
$HL2_stats.= $str;
$status = socket_get_status($HL2_socket);
if($status["unread_bytes"] == 0){
$do = 0;
}
}
fclose($HL2_socket);
$x = 0;
while ($x <= strlen($HL2_stats)){
$x++;
$result.= substr($HL2_stats, $x, 1);
}
// ord ( string $string );
$result = str_split($result);
$info['network'] = ord($result[0]);$char = 1;
while(ord($result[$char]) != "%00"){$info['name'] .= $result[$char];$char++;}$char++;
while(ord($result[$char]) != "%00"){$info['map'] .= $result[$char];$char++;}$char++;
while(ord($result[$char]) != "%00"){$info['dir'] .= $result[$char];$char++;}$char++;
while(ord($result[$char]) != "%00"){$info['description'] .= $result[$char];$char++;}$char++;
$info['appid'] = ord($result[$char].$result[($char+1)]);$char += 2;
$info['players'] = ord($result[$char]);$char++;
$info['max'] = ord($result[$char]);$char++;
$info['bots'] = ord($result[$char]);$char++;
$info['dedicated'] = ord($result[$char]);$char++;
$info['os'] = chr(ord($result[$char]));$char++;
$info['password'] = ord($result[$char]);$char++;
$info['secure'] = ord($result[$char]);$char++;
while(ord($result[$char]) != "%00"){$info['version'] .= $result[$char];$char++;}
return $info;
}
/* Example
$q = source_query('46.174.50.198:27015');
echo "network: ".$q['network']."<br/>";
echo "name: ".$q['name']."<br/>";
echo "map: ".$q['map']."<br/>";
echo "dir: ".$q['dir']."<br/>";
echo "desc: ".$q['description']."<br/>";
echo "id: ".$q['appid']."<br/>";
echo "players: ".$q['players']."<br/>";
echo "max: ".$q['max']."<br/>";
echo "bots: ".$q['bots']."<br/>";
echo "dedicated: ".$q['dedicated']."<br/>";
echo "os: ".$q['os']."<br/>";
echo "password: ".$q['password']."<br/>";
echo "secure: ".$q['secure']."<br/>";
echo "version: ".$q['version']."<br/>"; */