PHP

Send a Single Byte over a Socket

Demonstrates Socket.SendByte, which sends one byte whose value is in the range 0 through 255.

Background. Fixed-size integers and length prefixes are common building blocks for application-defined binary protocols. Byte order is selectable, with big-endian being network byte order.

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Chilkat2 PHP

<?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);

    // Send a single byte.  The value must be in the range 0 through 255.
    $socket->SendByte(65);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

echo "Byte sent.\n";