Update For current zabbix 6.4

[Vitexus]

There is some small differences:

https://www.zabbix.com/documentation/current/en/manual/appendix/protocols/header_datalen

[Vitexus]

My Current Override according the official docs

<?php

declare(strict_types=1);
/**
 * Multi Flexi - 
 *
 * @author Vítězslav Dvořák <[email protected]>
 * @copyright  2020 Vitex Software
 */

namespace AbraFlexi\MultiFlexi;

use \Zarplata\Zabbix\Request\Packet as ZabbixPacket;

/**
 * Description of ZabbixSender
 *
 * @author vitex
 */
class ZabbixSender extends \Zarplata\Zabbix\ZabbixSender
{

    /**
     * Make payload for Zabbix server with special Zabbix header
     * and datalen
     *
     * https://www.zabbix.com/documentation/current/en/manual/appendix/protocols/header_datalen
     */
    private function makePayload(ZabbixPacket $packet): string
    {
        $encodedPacket = json_encode($packet);
        return self::zbxCreateHeader(strlen($encodedPacket)) . $encodedPacket;
    }

    /**
     * Zabbix Packet Header 
     *  
     * @param int $plain_data_size
     * @param int $compressed_data_size
     * 
     * @return string
     */
    public static function zbxCreateHeader($plain_data_size, $compressed_data_size = null)
    {
        $flags = self::VERSION;
        if (is_null($compressed_data_size)) {
            $datalen = $plain_data_size;
            $reserved = 0;
        } else {
            $flags |= 0x02;
            $datalen = $compressed_data_size;
            $reserved = $plain_data_size;
        }
        return self::HEADER . chr($flags) . pack("VV", $datalen, $reserved);
    }
}

[williamdes]

Can some in @zarplata let me know if I can make a pull-request for this project to fix the two open issues ?
Or if this project is archived in some way /cc @dr0id

[dr0id]

you probably meant /cc @idr0id

[williamdes]

you probably meant /cc @idr0id

Yes, indeed, sorry