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在哪規(guī)定了回調(diào)函數(shù)中的參數(shù)?

edgexie

我在測(cè)試onConnect回調(diào)函數(shù)的時(shí)候遇到如下問(wèn)題.
1.服務(wù)器端代碼:

<?php
use Workerman\Worker;
require_once './Workerman/Autoloader.php';

// 創(chuàng)建一個(gè)Worker監(jiān)聽2345端口，使用websocket協(xié)議通訊
$ws_worker              =   new Worker("websocket://0.0.0.0:2345");
$ws_worker->onConnect   =   function($connection,$ws_worker){
echo $connection->id."\n";
echo $ws_worker->id."\n";   
};

2.成功開啟worker服務(wù);
遇到報(bào)錯(cuò)

PHP Warning:  Missing argument 2 for {closure}() in /test.php on line 7

Warning: Missing argument 2 for {closure}() in /test.php on line 7
1
PHP Notice:  Undefined variable: ws_worker in /test.php on line 9

Notice: Undefined variable: ws_worker in /test.php on line 9
PHP Notice:  Trying to get property of non-object in /test.php on line 9

Notice: Trying to get property of non-object in /test.php on line 9

問(wèn)題: 在哪定義的onConnect的function()只能傳$connection這一個(gè)參數(shù)?手冊(cè)上有說(shuō)明嗎?

4587 3 0
3個(gè)回答
walkor 打賞

workerman框架就是這么設(shè)計(jì)的，手冊(cè)中onConnect部分有說(shuō)明，參數(shù)是$connection。
你可以利用閉包在onConnect中傳遞外部定義的變量。類似下面這樣

$ws_worker->onConnect   =   function($connection)use($ws_worker) { ...
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edgexie

謝謝

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walkor 打賞

不客氣

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