chat-completion.php

<?php

use PhpLlm\LlmChain\Bridge\HuggingFace\Model;
use PhpLlm\LlmChain\Bridge\HuggingFace\PlatformFactory;
use PhpLlm\LlmChain\Bridge\HuggingFace\Task;
use PhpLlm\LlmChain\Model\Message\Message;
use PhpLlm\LlmChain\Model\Message\MessageBag;
use Symfony\Component\Dotenv\Dotenv;

require_once dirname(__DIR__, 2).'/vendor/autoload.php';
(new Dotenv())->loadEnv(dirname(__DIR__, 2).'/.env');

if (empty($_ENV['HUGGINGFACE_KEY'])) {
    echo 'Please set the HUGGINGFACE_KEY environment variable.'.PHP_EOL;
    exit(1);
}

$platform = PlatformFactory::create($_ENV['HUGGINGFACE_KEY']);
$model = new Model('HuggingFaceH4/zephyr-7b-beta');

$messages = new MessageBag(Message::ofUser('Hello, how are you doing today?'));
$response = $platform->request($model, $messages, [
    'task' => Task::CHAT_COMPLETION,
]);

echo $response->getContent().PHP_EOL;