Files
archived-ai-generic-platform/Completions/TokenUsageExtractor.php
2026-01-29 16:02:01 +01:00

44 lines
1.3 KiB
PHP

<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\AI\Platform\Bridge\Generic\Completions;
use Symfony\AI\Platform\Result\RawResultInterface;
use Symfony\AI\Platform\TokenUsage\TokenUsage;
use Symfony\AI\Platform\TokenUsage\TokenUsageExtractorInterface;
use Symfony\AI\Platform\TokenUsage\TokenUsageInterface;
/**
* @author Christopher Hertel <mail@christopher-hertel.de>
*/
final class TokenUsageExtractor implements TokenUsageExtractorInterface
{
public function extract(RawResultInterface $rawResult, array $options = []): ?TokenUsageInterface
{
if ($options['stream'] ?? false) {
return null;
}
$content = $rawResult->getData();
if (!\array_key_exists('usage', $content)) {
return null;
}
return new TokenUsage(
promptTokens: $content['usage']['prompt_tokens'] ?? null,
completionTokens: $content['usage']['completion_tokens'] ?? null,
cachedTokens: $content['usage']['num_cached_tokens'] ?? null,
totalTokens: $content['usage']['total_tokens'] ?? null,
);
}
}