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

Latest version: pecl install openswoole-25.2.0 | composer require openswoole/core:22.1.5

Declaration

<?php
OpenSwoole\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 OpenSwoole\WebSocket\Server;
use OpenSwoole\Http\Request;
use OpenSwoole\WebSocket\Frame;

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

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

$server->on('Open', function(Server $server, OpenSwoole\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 September 1, 2022

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