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docs(platform): Add support for Google vertex AI
- Adds examples to interact with vertex ai
1 parent 69a9d3c commit dc81112

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‎examples/vertexai/audio-input.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Platform\Bridge\VertexAi\Gemini\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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use Symfony\AI\Platform\Message\Content\Audio;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$model = new Model(Model::GEMINI_2_5_FLASH);
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$agent = new Agent($platform, $model, logger: logger());
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$messages = new MessageBag(
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Message::ofUser(
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'What is this recording about?',
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Audio::fromFile(dirname(__DIR__, 2).'/fixtures/audio.mp3'),
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),
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);
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$result = $agent->call($messages);
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echo $result->getContent().\PHP_EOL;

‎examples/vertexai/bootstrap.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Google\Auth\ApplicationDefaultCredentials;
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use Psr\Log\LoggerAwareInterface;
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use Symfony\Component\HttpClient\HttpClient;
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use Symfony\Contracts\HttpClient\HttpClientInterface;
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require_once dirname(__DIR__).'/bootstrap.php';
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function adc_aware_http_client(): HttpClientInterface
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{
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$credentials = ApplicationDefaultCredentials::getCredentials(['https://www.googleapis.com/auth/cloud-platform']);
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$httpClient = HttpClient::create([
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'auth_bearer' => $credentials?->fetchAuthToken()['access_token'] ?? null,
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]);
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if ($httpClient instanceof LoggerAwareInterface) {
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$httpClient->setLogger(logger());
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}
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return $httpClient;
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}

‎examples/vertexai/chat.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Platform\Bridge\VertexAi\Gemini\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$model = new Model(Model::GEMINI_2_5_FLASH);
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$agent = new Agent($platform, $model, logger: logger());
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$messages = new MessageBag(
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Message::forSystem('You are an expert assistant in geography.'),
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Message::ofUser('Where is Mount Fuji?'),
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);
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$result = $agent->call($messages);
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echo $result->getContent().\PHP_EOL;

‎examples/vertexai/embeddings.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Platform\Bridge\VertexAi\Embeddings\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$embeddings = new Model();
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$result = $platform->invoke($embeddings, <<<TEXT
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Once upon a time, there was a country called Japan. It was a beautiful country with a lot of mountains and rivers.
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The people of Japan were very kind and hardworking. They loved their country very much and took care of it. The
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country was very peaceful and prosperous. The people lived happily ever after.
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TEXT);
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echo 'Dimensions: '.$result->asVectors()[0]->getDimensions().\PHP_EOL;

‎examples/vertexai/image-input.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Platform\Bridge\VertexAi\Gemini\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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use Symfony\AI\Platform\Message\Content\Image;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$model = new Model(Model::GEMINI_2_5_PRO);
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$agent = new Agent($platform, $model, logger: logger());
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$messages = new MessageBag(
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Message::forSystem('You are an image analyzer bot that helps identify the content of images.'),
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Message::ofUser(
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'Describe the image as a comedian would do it.',
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Image::fromFile(dirname(__DIR__, 2).'/fixtures/image.jpg'),
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),
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);
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$result = $agent->call($messages);
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echo $result->getContent().\PHP_EOL;

‎examples/vertexai/pdf-input-binary.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Platform\Bridge\VertexAi\Gemini\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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use Symfony\AI\Platform\Message\Content\Document;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$model = new Model(Model::GEMINI_2_5_FLASH);
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$agent = new Agent($platform, $model, logger: logger());
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$messages = new MessageBag(
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Message::ofUser(
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Document::fromFile(dirname(__DIR__, 2).'/fixtures/document.pdf'),
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'What is this document about?',
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),
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);
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$result = $agent->call($messages);
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echo $result->getContent().\PHP_EOL;

‎examples/vertexai/server-tools.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Agent\Toolbox\AgentProcessor;
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use Symfony\AI\Agent\Toolbox\Tool\Clock;
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use Symfony\AI\Agent\Toolbox\Toolbox;
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use Symfony\AI\Platform\Bridge\VertexAi\Gemini\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$model = new Model(Model::GEMINI_2_5_PRO);
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$toolbox = new Toolbox([new Clock()], logger: logger());
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$processor = new AgentProcessor($toolbox);
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$agent = new Agent($platform, $model, [$processor], [$processor], logger());
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$content = file_get_contents('https://www.euribor-rates.eu/en/current-euribor-rates/4/euribor-rate-12-months/');
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$messages = new MessageBag(
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Message::ofUser("Based on the following page content, what was the 12-month Euribor rate a week ago?\n\n".$content)
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);
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$result = $agent->call($messages);
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echo $result->getContent().\PHP_EOL;

‎examples/vertexai/stream.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Platform\Bridge\VertexAi\Gemini\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$model = new Model(Model::GEMINI_2_5_FLASH);
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$agent = new Agent($platform, $model, logger: logger());
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$messages = new MessageBag(
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Message::forSystem('You are an expert assistant in geography.'),
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Message::ofUser('Where is Mount Fuji?'),
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);
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$result = $agent->call($messages, [
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'stream' => true,
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]);
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foreach ($result->getContent() as $word) {
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echo $word;
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}
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echo \PHP_EOL;

‎examples/vertexai/structured-output-clock.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Agent\StructuredOutput\AgentProcessor as StructuredOutputProcessor;
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use Symfony\AI\Agent\Toolbox\AgentProcessor as ToolProcessor;
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use Symfony\AI\Agent\Toolbox\Tool\Clock;
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use Symfony\AI\Agent\Toolbox\Toolbox;
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use Symfony\AI\Platform\Bridge\VertexAi\Gemini\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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use Symfony\Component\Clock\Clock as SymfonyClock;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$model = new Model(Model::GEMINI_2_5_PRO);
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$clock = new Clock(new SymfonyClock());
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$toolbox = new Toolbox([$clock]);
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$toolProcessor = new ToolProcessor($toolbox);
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$structuredOutputProcessor = new StructuredOutputProcessor();
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$agent = new Agent($platform, $model, [$toolProcessor, $structuredOutputProcessor], [$toolProcessor, $structuredOutputProcessor], logger());
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$messages = new MessageBag(Message::ofUser('What date and time is it?'));
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$result = $agent->call($messages, ['response_format' => [
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'type' => 'json_schema',
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'json_schema' => [
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'name' => 'clock',
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'strict' => true,
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'schema' => [
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'type' => 'object',
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'properties' => [
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'date' => ['type' => 'string', 'description' => 'The current date in the format YYYY-MM-DD.'],
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'time' => ['type' => 'string', 'description' => 'The current time in the format HH:MM:SS.'],
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],
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'required' => ['date', 'time'],
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'additionalProperties' => false,
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],
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],
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]]);
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dump($result->getContent());

‎examples/vertexai/structured-output-math.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Symfony\AI\Agent\Agent;
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use Symfony\AI\Agent\StructuredOutput\AgentProcessor;
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use Symfony\AI\Fixtures\StructuredOutput\MathReasoning;
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use Symfony\AI\Platform\Bridge\VertexAi\Gemini\Model;
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use Symfony\AI\Platform\Bridge\VertexAi\PlatformFactory;
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use Symfony\AI\Platform\Message\Message;
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use Symfony\AI\Platform\Message\MessageBag;
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require_once __DIR__.'/bootstrap.php';
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$platform = PlatformFactory::create(env('GOOGLE_CLOUD_LOCATION'), env('GOOGLE_CLOUD_PROJECT'), adc_aware_http_client());
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$model = new Model(Model::GEMINI_2_5_FLASH_LITE);
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$processor = new AgentProcessor();
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$agent = new Agent($platform, $model, [$processor], [$processor], logger());
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$messages = new MessageBag(
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Message::forSystem('You are a helpful math tutor. Guide the user through the solution step by step.'),
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Message::ofUser('how can I solve 8x + 7 = -23'),
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);
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$result = $agent->call($messages, ['output_structure' => MathReasoning::class]);
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dump($result->getContent());

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