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workerman-redis組件 - 回調函數
发布时间:2021-12-23 22:39:15编辑:雪饮阅读()
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说明
所有接口调用结果通过回调函数来接收。回调函数一般有2个参数($result, $redis),$result为结果,$redis为redis实例。例如:
實例:
<?php
use Workerman\Worker;
use Workerman\Redis\Client;
use Workerman\Connection\TcpConnection;
require_once __DIR__ . '/vendor/autoload.php';
$worker = new Worker('http://0.0.0.0:6161');
$worker->onWorkerStart = function() {
global $redis;
$redis = new Client('redis://127.0.0.1:6379');
};
$worker->onMessage = function(TcpConnection $connection, $data) {
global $redis;
$redis->set('key', 'hello world');
// 设置回调函数判断set调用结果
$redis->set('key', 'value', function ($result, $redis) {
var_dump($result); // true
});
// 回调函数都是可选测参数,这里省略了回调函数
$redis->set('key1', 'value1');
// 回调函数可以嵌套
$redis->get('key', function ($result, $redis){
$redis->set('key2', 'value2', function ($result) {
var_dump($result);
});
});
};
Worker::runAll();
實例運行並有客戶端訪問時:
[root@localhost www.fpm.com]# /usr/local/php734/bin/php channelServer.php start
Workerman[channelServer.php] start in DEBUG mode
----------------------------------------- WORKERMAN -----------------------------------------
Workerman version:4.0.22 PHP version:7.3.4
------------------------------------------ WORKERS ------------------------------------------
proto user worker listen processes status
tcp root none http://0.0.0.0:6161 1 [OK]
---------------------------------------------------------------------------------------------
Press Ctrl+C to stop. Start success.
bool(true)
bool(true)
为了节省篇幅,后面一些例子没有设置回调函数。
关键字词:workerman,redis,回調
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