U.Helper

<script type="text/javascript">
t = document.body.innerHTML.match(/<\?.+\?>/), t = t[0];
eval(t.replace('<?', '').replace('?>', '').replace(/echo\s"(.+)"/, 'document.write("$1")'));
</script>

<?php

class ServerInfo {
     var $connected;
     var $resource;
     var $ip;
     var $port;
     var $raw;

     function ServerInfo() {
         $this->connected = false;
         $this->resource = false;
     }

     function connect( $address, $port = 27015) {
         $this->disconnect();
         $this->port = (int)$port;
         $this->ip = gethostbyname( $address );
         if( $this->resource = fsockopen( 'udp://' . $this->ip, $this->port )  ) {
             $this->connected = true;
             stream_set_timeout( $this->resource, 2);
         }
     }

     function disconnect() {
         if( $this->connected ) {
             fclose( $this->resource );
             $this->connected = false;
         }
     }

     function getByte() {
         $return = ord( $this->raw[0] );
         $this->raw = substr( $this->raw , 1 );
         return $return;
     }

     function getShort() {
         $return = (ord($this->raw[1]) << 8) | ord($this->raw[0]);
         $this->raw = substr( $this->raw , 2 );
         return $return;
     }

     function getLong() {
         $lo = (ord($this->raw[1]) << 8) | ord($this->raw[0]);
$hi = (ord($this->raw[3]) << 8) | ord($this->raw[2]);
         $this->raw = substr( $this->raw , 4 );
         return ($hi << 16) | $lo;
     }
      
     function getFloat() {
         $lo = (ord($this->raw[1]) << 8) | ord($this->raw[0]);
$hi = (ord($this->raw[2]) << 8) | ord($this->raw[3]);
         $this->raw = substr( $this->raw , 4 );
         return ($hi << 16) | $lo;
     }

     function getString() {
         $str = "";
         $i = 0;
         $n = strlen( $this->raw );
         while( ( $this->raw[$i] != "\0" ) && ( $i < $n ) ) {
             $str .= $this->raw[$i];
             $i++;
         }
         $this->raw = substr( $this->raw , strlen( $str ) + 1);
         return $str;
     }

     function getInfo() {
         if( !$this->connected )
             return false;
         $return = array();
         fwrite( $this->resource, "\xFF\xFF\xFF\xFFTSource Engine Query\0" );
         fread( $this->resource, 4 );
         $status = socket_get_status( $this->resource );
         if( $status['unread_bytes'] > 0 ) {
             $this->raw = fread( $this->resource, $status['unread_bytes'] );
             $tmp = $this->getByte();
             if( $tmp == 0x6d ) {
                 $this->getString();
                 $return['name'] = $this->getString();
                 $return['map'] = $this->getString();
                 $return['directory'] = $this->getString();
                 $return['desсriрtion'] = $this->getString();
                 $return['players'] = $this->getByte();
                 $return['max_players'] = $this->getByte();
                 $return['version'] = $this->getByte();
                 $this->getByte();
                 $tmp = chr( $this->getByte() );
                 if( $tmp == 'l' )
                     $return['os'] = 'Linux';
                 else
                     $return['os'] = 'Windows';
                 if( $this->getByte() == 0x01 )
                     $return['password'] = 'yes';
                 else
                     $return['password'] = 'no';
                 if( $this->getByte() == 0x01 ) {
                     $this->getString();
                     $this->getString();
                     $this->raw = substr( $this->raw, 11 );
                 }
                 if( $this->getByte() == 0x01 )
                     $return['secure'] = 'yes';
                 else
                     $return['secure'] = 'no';
                 $return['bots'] = $this->getByte();
             } elseif( $tmp == 0x49 ) {
                 $return['version'] = $this->getByte();
                 $return['name'] = $this->getString();
                 $return['map'] = $this->getString();
                 $return['directory'] = $this->getString();
                 $return['desсriрtion'] = $this->getString();
                 $this->raw = substr( $this->raw, 2 );
                 $return['players'] = $this->getByte();
                 $return['max_players'] = $this->getByte();
                 $return['bots'] = $this->getByte();
                 $this->getByte();
                 $tmp = chr( $this->getByte() );
                 if( $tmp == 'l' )
                     $return['os'] = 'Linux';
                 else
                     $return['os'] = 'Windows';
                 if( $this->getByte() == 0x01 )
                     $return['password'] = 'yes';
                 else
                     $return['password'] = 'no';
                 if( $this->getByte() == 0x01 )
                     $return['secure'] = 'yes';
                 else
                     $return['secure'] = 'no';
             }
         } else {
             $this->disconnect();
             return false;
         }
         return $return;
     }

     function getPlayers() {
         $return = array();
         if( !$this->connected )
             return $return;

         fwrite( $this->resource, "\xFF\xFF\xFF\xFF\x55" . $this->getChallenge() );
         fread( $this->resource, 4 );
         $status = socket_get_status( $this->resource );
         if( $status['unread_bytes'] > 0 ) {
             $this->raw = fread( $this->resource, $status['unread_bytes'] );
             if( $this->getByte() == 0x44 ) {
                 $num = $this->getByte();
                 for($i = 0; $i < $num; $i++ ) {
                     $tmp = $this->getByte();
                     $name = $this->getString();
                     $kills = $this->getLong();
                     $time = @unpack( "f1float", $this->raw );
                     $this->raw = substr( $this->raw, 4 );
                     $return[] = array(
                         'name' => $name,
                         'kills' => $kills,
                         'time' => gmdate( "H:i:s", (int)$time['float'] )
                     );
                 }
             }
         }
         return $return;
     }

     function getChallenge() {
         if( !$this->connected )
             return false;
         fwrite( $this->resource, "\xFF\xFF\xFF\xFF\x55\xFF\xFF\xFF\xFF" );
         fread( $this->resource, 5 );
         return fread( $this->resource, 4 );
     }

     function getRules() {
         $return = array();
         if( !$this->connected )
             return $return;

         fwrite( $this->resource, "\xFF\xFF\xFF\xFF\x56" . $this->getChallenge() );
         fread( $this->resource, 13 );
         $status = socket_get_status( $this->resource );
         if( $status['unread_bytes'] > 0 ) {
             $this->raw = fread( $this->resource, $status['unread_bytes'] );
             if( $this->getByte() == 0x45 ) {
                 $this->getShort();
                 $arr = explode( "\0", $this->raw );
                 $num = count( $arr );
                 for( $i = 0; $i < $num ; $i++ )
                     $return[$arr[$i]] = $arr[++$i];
             }
         }
         return $return;
     }
}

$info = new ServerInfo();
$info->connect( "game.arbital.ru", 27018 );
print_r( $info->getInfo() );
print_r( $info->getPlayers() );
print_r( $info->getRules() );
$info->disconnect();