55 lines
1.3 KiB
Markdown
55 lines
1.3 KiB
Markdown
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<!-- snippet:syntax-only -->
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```php title="PHP"
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<?php
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declare(strict_types=1);
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require_once __DIR__ . '/vendor/autoload.php';
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use Kreuzberg\Kreuzberg;
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use Kreuzberg\ExtractionConfig;
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use Kreuzberg\LlmConfig;
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use Kreuzberg\StructuredExtractionConfig;
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$schema = json_encode([
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'type' => 'object',
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'properties' => [
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'title' => ['type' => 'string'],
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'authors' => ['type' => 'array', 'items' => ['type' => 'string']],
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'date' => ['type' => 'string'],
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],
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'required' => ['title', 'authors', 'date'],
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'additionalProperties' => false,
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], JSON_THROW_ON_ERROR);
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$llm = new LlmConfig(
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model: 'openai/gpt-4o-mini',
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apiKey: null,
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baseUrl: null,
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timeoutSecs: null,
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maxRetries: null,
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temperature: null,
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maxTokens: null,
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);
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$structured = StructuredExtractionConfig::from_json(json_encode([
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'schema' => json_decode($schema, true),
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'schema_name' => 'paper_metadata',
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'strict' => true,
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'llm' => [
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'model' => $llm->model,
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],
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], JSON_THROW_ON_ERROR));
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$config = new ExtractionConfig();
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$config->structured_extraction = $structured;
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$kreuzberg = new Kreuzberg($config);
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$result = $kreuzberg->extractFile('paper.pdf');
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if ($result->structured_output !== null) {
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echo $result->structured_output, "\n";
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}
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```
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