m2mpphpquery

<?php

class m2mp {

    private $m_socket, $m_data = array();

    public function __construct ( $ip, $port, $timeout = 5 )
    {
        // Open the socket
        $this->m_socket = @fsockopen( 'udp://' . $ip, ($port + 1) );

        // Did the socket fail to open?
        if( !$this->m_socket )
            die( 'FAILED TO OPEN UDP SOCKET TO ' . $ip . ':' . $port . '!' );

        // Set the socket timeout time
        @stream_set_timeout( $this->m_socket, $timeout );

        // Store the ip and port
        $this->m_data[ 'ip' ] = $ip;
        $this->m_data[ 'port' ] = $port;
    }

    public function __destruct ( )
    {
        // Close the socket
        @fclose( $this->m_socket );

        // Clear the array data
        unset( $this->m_data );
    }

    private function Unpack ( $data )
    {
        // Set the initial offset
        $offset = 1;

        // Unpack all information from binary data
        $binary = unpack( 'C*', $data );

        // Get the hostname from the data
        $len = $binary[ $offset ];
        $this->m_data[ 'hostname' ] = substr( $data, 0, $len );
        $offset += $len;

        // Get the player count
        $len = ($binary[ $offset ] - 1);
        $this->m_data[ 'playercount' ] = (int)substr( $data, $offset, $len );
        $offset += ($len + 1);

        // Get the max player count
        $len = ($binary[ $offset ] - 1);
        $this->m_data[ 'maxplayers' ] = (int)substr( $data, $offset, $len );
        $offset += ($len + 1);

        // Get the gamemode name
        $len = ($binary[ $offset ] - 1);
        $this->m_data[ 'gamemode' ] = substr( $data, $offset, $len );
        $offset += ($len + 1);

        // Is the server password protected?
        $this->m_data[ 'password' ] = (bool)$binary[ $offset ];
        $offset += 1;

        // Do we have any players in the server?
        if( $this->m_data[ 'playercount' ] > 0 )
        {
            // Create the players array
            $this->m_data[ 'players' ] = array();

            // Loop over all players
            for( $i = 0; $i < $this->m_data[ 'playercount' ]; $i++ )
            {
                // Get the player name
                $len = ($binary[ $offset ] - 1);
                array_push( $this->m_data[ 'players' ], substr( $data, $offset, $len ) );
                $offset += ($len + 1);
            }
        }

        // Is this server summer?
        $this->m_data[ 'summer' ] = (bool)$binary[ $offset ];
        $offset += 1;

        return $this->m_data;
    }

    public function Pulse ( )
    {
        if( !$this->m_socket )
            return false;

        // Query the server
        @fputs( $this->m_socket, 'M2MP' );

        // Did we fail to read any data?
        if( !$result = @fread( $this->m_socket, 1024 ) )
            return false;

        // Is this packet not for m2mp?
        if( $result[0] != 'M' || $result[1] != '2' || $result[2] != 'M' || $result[3] != 'P' )
            return false;

        // Remove the identifier from the string
        $result = substr( $result, 4 );

        // Unpack all the data
        return $this->Unpack( $result );
    }

};

?>