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30 lines
829 B
PHP
30 lines
829 B
PHP
<?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 <fabien@symfony.com>
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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\OpenAi\PlatformFactory;
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use Symfony\AI\Store\Document\Vectorizer;
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require_once dirname(__DIR__).'/bootstrap.php';
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$platform = PlatformFactory::create(env('OPENAI_API_KEY'), http_client());
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$vectorizer = new Vectorizer($platform, 'text-embedding-3-large');
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$string = 'Hello World';
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$vector = $vectorizer->vectorize($string);
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printf(
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"String: %s\nVector dimensions: %d\nFirst 5 values: [%s]\n",
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$string,
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$vector->getDimensions(),
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implode(', ', array_map(static fn ($val) => number_format($val, 6), array_slice($vector->getData(), 0, 5)))
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);
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