(PHP using ActiveX) Asynchronous SSL Client Example

Demonstrates how to connect to an SSL server, send a simple message, receive a simple response, and disconnect. This example uses the asynchronous methods to connect, send, and receive.

Download Chilkat Socket ActiveX

<?php

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

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

$ssl = 1;
$maxWaitMillisec = 20000;

//  The SSL server hostname may be an IP address, a domain name,
//  or "localhost".  You'll need to change this:

$sslServerHost = '123.123.88.88';
$sslServerPort = 8123;

//  Connect to the SSL server asynchronously in a background thread.
$success = $socket->AsyncConnectStart($sslServerHost,$sslServerPort,$ssl,$maxWaitMillisec);
if ($success != 1) {
    print $socket->lastErrorText() . "\n";
    exit;
}

//  Wait for the socket to become connected...
while (($socket->AsyncConnectFinished != 1)) {
    //  Sleep 1 second.
    $socket->SleepMs(1000);
}

//  Did the connect fail?
if ($socket->AsyncConnectSuccess != 1) {
    print $socket->asyncConnectLog() . "\n";
    exit;
}

//  Set maximum timeouts for reading an writing (in millisec)
$socket->MaxReadIdleMs = 20000;
$socket->MaxSendIdleMs = 20000;

//  Send a "Hello Server! -EOM-" message:
$success = $socket->AsyncSendString('Hello Server! -EOM-');
if ($success != 1) {
    print $socket->lastErrorText() . "\n";
    exit;
}

//  Wait for the send to finish
while (($socket->AsyncSendFinished != 1)) {
    //  Sleep 1 second.
    $socket->SleepMs(1000);
}

//  Did the send fail?
if ($socket->AsyncSendSuccess != 1) {
    print $socket->asyncSendLog() . "\n";
    exit;
}

//  The server (in this example) is going to send a "Hello Client! -EOM-"
//  message.  Begin reading asynchronously in a background thread:
$success = $socket->AsyncReceiveUntilMatch('-EOM-');
if ($success != 1) {
    print $socket->lastErrorText() . "\n";
    exit;
}

//  Wait for the background read to finish
while (($socket->AsyncReceiveFinished != 1)) {
    //  Sleep 1 second.
    $socket->SleepMs(1000);
}

//  Did the receive fail?
if ($socket->AsyncReceiveSuccess != 1) {
    print $socket->asyncReceiveLog() . "\n";
    exit;
}

//  Display the received message:
print $socket->asyncReceivedString() . "\n";

//  Close the connection with the server
//  Wait a max of 20 seconds (20000 millsec)
$socket->Close(20000);
?>