(PHP using ActiveX) Accept Connection on Socket

Demonstrates how to create a TCP/IP socket, listen on a port, accept an incoming connection, and send a "Hello World" message to the client.

Download Chilkat Socket ActiveX

<?php

$listenSocket = new COM("Chilkat.Socket");

$success = $listenSocket->UnlockComponent('Anything for 30-day trial');
if ($success != 1) {
    print $listenSocket->lastErrorText() . "\n";
    exit;
}

//  Bind to a port and listen for incoming connections:
//  This example will listen at port 5555 and allows for a backlog
//  of 25 pending connection requests.
$success = $listenSocket->BindAndListen(5555,25);
if ($success != 1) {
    print $listenSocket->lastErrorText() . "\n";
    exit;
}

//  Get the next incoming connection
//  Wait a maximum of 20 seconds (20000 millisec)

// connectedSocket is a Chilkat.Socket
$connectedSocket = $listenSocket->AcceptNextConnection(20000);
if (is_null($connectedSocket)) {
    print $listenSocket->lastErrorText() . "\n";
    exit;
}

//  Set maximum timeouts for reading an writing (in millisec)
$connectedSocket->MaxReadIdleMs = 10000;
$connectedSocket->MaxSendIdleMs = 10000;

//  Send a "Hello World!" message to the client:
$success = $connectedSocket->SendString('Hello World!');
if ($success != 1) {
    print $connectedSocket->lastErrorText() . "\n";

    exit;
}

//  Close the connection with the client.
//  Wait a max of 20 seconds (20000 millsec)
$connectedSocket->Close(20000);

print 'success!' . "\n";
?>