Wait for a Socket to Become Readable

See more Socket/SSL/TLS Examples

Demonstrates Socket.SelectForReading, which waits for read-ready activity on the socket, or on any contained socket when the object is a socket set. It returns 1 if ready, 0 on timeout, or -1 on error.

<?php

use Chilkat2\Socket;

$socket = new Socket();

// Connect to the server using TLS.
$bTls = true;
$maxWaitMs = 5000;
try {
    $socket->Connect('example.com', 5000, $bTls, $maxWaitMs);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// Wait up to 5 seconds for read-ready activity on the socket (or, for a socket set, on any contained
// socket).  Returns 1 if ready, 0 on timeout, or -1 on error.
$ready = $socket->SelectForReading(5000);
if ($ready < 0) {
    echo $socket->LastErrorText, "\n";
    exit;
}

if ($ready != 1) {
    echo "No data became available before the timeout.\n";
    exit;
}

echo "The socket has data ready to read.\n";