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[Platform] Add support for Google vertex AI
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‎README.md‎

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@@ -13,7 +13,7 @@ Symfony AI is a set of components that integrate AI capabilities into PHP applic
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Symfony AI consists of several lower and higher level **components** and the respective integration **bundles**:
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* **Components**
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* **[Platform](src/platform/README.md)**: A unified interface to various AI platforms like OpenAI, Anthropic, Azure, Gemini, and more.
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* **[Platform](src/platform/README.md)**: A unified interface to various AI platforms like OpenAI, Anthropic, Azure, Gemini, VertexAI, and more.
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* **[Agent](src/agent/README.md)**: Framework for building AI agents that can interact with users and perform tasks.
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* **[Store](src/store/README.md)**: Data storage abstraction with indexing and retrieval for AI applications.
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* **[MCP SDK](src/mcp-sdk/README.md)**: SDK for [Model Context Protocol](https://modelcontextprotocol.io) enabling communication between AI agents and tools.

‎examples/.env‎

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# For using Gemini
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GEMINI_API_KEY=
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# Vertex AI
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GOOGLE_CLOUD_LOCATION=global
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GOOGLE_CLOUD_PROJECT=GOOGLE_CLOUD_PROJECT
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# For using Albert API (French Sovereign AI)
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ALBERT_API_KEY=
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ALBERT_API_URL=

‎examples/composer.json‎

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"async-aws/bedrock-runtime": "^1.1",
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"codewithkyrian/transformers": "^0.6.1",
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"doctrine/dbal": "^3.3|^4.0",
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"google/auth": "^1.47",
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"mrmysql/youtube-transcript": "^0.0.5",
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"php-http/discovery": "^1.20",
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"probots-io/pinecone-php": "^1.1",

‎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;

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