問題描述

使用官方代碼里的程序，僅僅修改了URL，我用mqttfx，并且配置好后是可以連接mqtt服務(wù)端，但是用PHP程序卻一直報這個錯，請老師幫忙看一下

程序代碼

<?php
require __DIR__ . '/vendor/autoload.php';
use Workerman\Worker;
$worker = new Worker();
$worker->onWorkerStart = function(){
    $mqtt = new Workerman\Mqtt\Client('mqtt://localhost:1883');
    $mqtt->onConnect = function($mqtt) {
        $mqtt->subscribe('test');
    };
    $mqtt->onMessage = function($topic, $content){
        var_dump($topic, $content);
    };
    $mqtt->connect();
};
Worker::runAll();

報錯信息

---------------------------------------------- WORKERMAN -----------------------------------------------
Workerman version:4.2.1          PHP version:8.0.2
----------------------------------------------- WORKERS ------------------------------------------------
worker                                          listen                              processes   status
none                                            none                                1           [ok]
PHP Fatal error:  Declaration of Workerman\Mqtt\Protocols\Mqtt::input(string $buffer, Workerman\Connection\ConnectionInterface $connection): int must be compatible with Workerman\Protocols\ProtocolInterface::input($recv_buffer, Workerman\Connection\ConnectionInterface $connection) in F:\mqtt\vendor\workerman\mqtt\src\Protocols\Mqtt.php on line 136

Fatal error: Declaration of Workerman\Mqtt\Protocols\Mqtt::input(string $buffer, Workerman\Connection\ConnectionInterface $connection): int must be compatible with Workerman\Protocols\ProtocolInterface::input($recv_buffer, Workerman\Connection\ConnectionInterface $connection) in F:\mqtt\vendor\workerman\mqtt\src\Protocols\Mqtt.php on line 136
Worker process terminated with ERROR: E_COMPILE_ERROR "Declaration of Workerman\Mqtt\Protocols\Mqtt::input(string $buffer, Workerman\Connection\ConnectionInterface $connection): int must be compatible with Workerman\Protocols\ProtocolInterface::input($recv_buffer, Workerman\Connection\ConnectionInterface $connection) in F:\mqtt\vendor\workerman\mqtt\src\Protocols\Mqtt.php on line 136"
這里粘貼報錯

截圖報錯信息里報錯文件相關(guān)代碼

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