Socket

    function Query( $IP, $Port = 25565 )
    {
        $Socket = Socket_Create( AF_INET, SOCK_STREAM, SOL_TCP );
        if( $Socket === FALSE || @Socket_Connect( $Socket, $IP, (int)$Port ) === FALSE )
        {
            return FALSE;
        }

        Socket_Send( $Socket, "\xFE", 1, 0 );
        $Len = Socket_Recv( $Socket, $Data, 256, 0 );
        Socket_Close( $Socket );

        if( $Len < 4 || $Data[ 0 ] != "\xFF" )
        {
            return FALSE;
        }

        $Data = SubStr( $Data, 3 );
        $Data = iconv( 'UTF-16BE', 'UTF-8', $Data );
        $Data = Explode( "\xA7", $Data );

        return Array(
            'HostName'   => SubStr( $Data[ 0 ], 0, -1 ),
            'Players'    => isset( $Data[ 1 ] ) ? IntVal( $Data[ 1 ] ) : 0,
            'MaxPlayers' => isset( $Data[ 2 ] ) ? IntVal( $Data[ 2 ] ) : 0
        );
    }