This is a GameQ-Class for SCUM, that send a Query to Master-Server from SCUM

Scum.php

<?php
/**
 * This file is part of GameQ.
 *
 * GameQ is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * GameQ is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
namespace GameQ\Protocols;

use GameQ\Exception\Protocol as Exception;
use GameQ\Buffer;
use GameQ\Result;
use GameQ\Server;

/**
 * SCUM Master-Server Protocol Class
 * https://gamepires.com/games/scum/
 *
 * Result from this call should be a Master-Server list Query
 *
 * @author HellBz <coding@hellbz.de>
 * @author Austin Bischoff <austin@codebeard.com>
 */
class Scum extends Http
{
    /**
     * Packets to send
     *
     * @var array
     */
    protected $packets = [
        self::PACKET_STATUS => "\x04\x03\x00\x00"
    ];

    /**
     * Http protocol is SSL
     *
     * @var string
     */
    protected $transport = self::TRANSPORT_TCP;

    /**
     * The protocol being used
     *
     * @var string
     */
    protected $protocol = 'scum';

    /**
     * String name of this protocol class
     *
     * @var string
     */
    protected $name = 'scum';

    /**
     * Longer string name of this protocol class
     *
     * @var string
     */
    protected $name_long = "SCUM";

    /**
     * The client join link
     *
     * @type string
     */
    protected $join_link = "steam://connect/%s:%d/";

    /**
     * Holds the real ip so we can overwrite it back
     *
     * @var string
     */
    protected $realIp = null;

    protected $realPortQuery = null;

    /**
     * Normalize some items
     *
     * @var array
     */
    protected $normalize = [
        // General
        'general' => [
            // target       => source
            'dedicated'  => 'dedicated',
            'hostname'   => 'hostname',
            'mod'        => 'mod',
            'maxplayers' => 'maxplayers',
            'numplayers' => 'numplayers',
        ],
    ];

    public function beforeSend(Server $server)
    {
      
        $this->realIp = $server->ip;
        $this->realPortQuery = $server->port_query;

        // Override the existing settings
        /*
        $master = array(    0 => array ( "ip" => "176.57.138.2",    "port" => 1040 ), 
                            1 => array ( "ip" => "206.189.248.133", "port" => 1040 ), 
                            2 => array ( "ip" => "172.107.16.215",  "port" => 1040 ) );
        
        shuffle($master); 

        print_r( $master );

        $server->ip = $master[0]['ip'];

        $server->port_query = $master[0]['port'];
        */

        //Set the Master-Server from SCUM, because random not work
        $server->ip = "172.107.16.215";
        $server->port_query = 1040;


    }

    /**
     * Process the response
     *
     * @return array
     * @throws Exception
     */
    public function processResponse()
    {

        $buffer = $this->packets_response;

        // No response, assume offline
        if (empty($this->packets_response)) {
            return [
                'gq_address'    => $this->realIp,
                'gq_port_client' => $this->realPortQuery,
                'gq_port_query' =>  ( $this->realPortQuery + 2 ),
                'gq_online' => false
            ];
        }


        $buffer = implode('', $this->packets_response);

        //print_r( $buffer );

        $buffer_ip_search = implode( array_map(function($val) { return pack("C", $val ); }, array_reverse( explode( "." , $this->realIp ) ) ) );

        $buffer_port_search = pack("S", ( $this->realPortQuery + 2 ) );

        if ( str_contains( $buffer , $buffer_ip_search.$buffer_port_search ) ) 
        {

            //print_r("Found Server");

            $pos = strpos( $buffer, $buffer_ip_search.$buffer_port_search );
            //echo "<br> Pos is: ". $pos;

            $result = new Result();

            // Server is always dedicated and Mod is scum
            $result->add('dedicated', 1);
            $result->add('mod', 'scum');
    
            $result->add('gq_address', $this->realIp);
            $result->add('gq_port_client', $this->realPortQuery);
            $result->add('gq_port_query', ( $this->realPortQuery + 2 ));
    
            // Add server items

            //Get From 6 until 107
            $result->add('hostname', htmlentities( trim( substr( $buffer , ( $pos + 6 ) , 101 ))) );

            //Get From 107 until 108                
            $result->add('numplayers', unpack("c",  $buffer[( $pos + 107)] )[1] );
    
            //Get From 108 until 109
            $result->add('maxplayers', unpack("c",  $buffer[( $pos + 108)] )[1] );

            //Get From 120 until 126
            $result->add('version', base_convert( bin2hex($buffer[( $pos +126)]), 16, 10).".".base_convert((bin2hex($buffer[( $pos +125 )])), 16, 10).".".base_convert( bin2hex($buffer[( $pos +124 )]).bin2hex($buffer[( $pos +123)]), 16, 10).".".base_convert( bin2hex($buffer[( $pos +120 )]).bin2hex($buffer[( $pos +119)]), 16, 10) );
            
            //Get From 109 until 110
            $time = base_convert(bin2hex($buffer[ $pos + 109 ]), 16, 10);
            $result->add('time', ( strlen($time) != 1 ? $time : '0'.$time ).':00' );

            unset($buffer);

            return $result->fetch();

        } else {

            return [
                'gq_address'    => $this->realIp,
                'gq_port_client' => $this->realPortQuery,
                'gq_port_query' =>  ( $this->realPortQuery + 2 ),
                'gq_online' => false
            ];
        }


    }
}