How can libraries like ddeboer/imap or barbushin/php-imap be utilized to improve IMAP functionality in PHP?

The libraries like ddeboer/imap or barbushin/php-imap can be utilized to improve IMAP functionality in PHP by providing more advanced features and easier handling of IMAP operations. These libraries offer a more user-friendly interface for interacting with IMAP servers, making it easier to fetch emails, manage folders, and perform other IMAP-related tasks.

<?php
require_once 'vendor/autoload.php';

use Ddeboer\Imap\Server;
use Ddeboer\Imap\Client;

$server = new Server('imap.example.com');
$connection = $server->authenticate('username', 'password');

$mailbox = $connection->getMailbox('INBOX');

// Fetch all unseen messages
$messages = $mailbox->getMessages();

foreach ($messages as $message) {
    echo $message->getSubject() . "\n";
}

$connection->expunge();
$connection->disconnect();