Swoole\WebSocket\Server->on('Close', fn)

4.x is outdated, please check the latest version 22.x


Latest version: pecl install openswoole-22.1.2

Declaration

<?php Swoole\WebSocket\Server->on('Close', callable $callback)

Parameters

event

The event name to set a callback for

callback

Callable function for the server event type

Return

If success, it returns true, otherwise it returns false

Description

This function is executed when a TCP connection is closed, this could be either a WebSocket conneciton or not, either by the client or server.

Example

<?php

use Swoole\WebSocket\Server;
use Swoole\Http\Request;
use Swoole\WebSocket\Frame;

$server = new Server("127.0.0.1", 9501);

$server->on("Start", function(Server $server)
{
    echo "Swoole WebSocket Server started at 127.0.0.1:9501\n";
});

$server->on('Open', function(Server $server, Swoole\Http\Request $request)
{
    echo "connection open: {$request->fd}\n";

    $server->tick(1000, function() use ($server, $request)
    {
        $server->push($request->fd, json_encode(["hello", time()]));
    });
});

$server->on('Message', function(Server $server, Frame $frame)
{
    echo "received message: {$frame->data}\n";

    $server->push($frame->fd, json_encode(["hello", time()]));
});

$server->on('Close', function(Server $server, int $fd)
{
    // Handle closed TCP connections here
    echo "connection close: {$fd}\n";
});

$server->start();
Last updated on August 31, 2022