38 lines
1015 B
PHP
38 lines
1015 B
PHP
```php title="page_boundaries.php"
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<?php
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declare(strict_types=1);
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/**
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* Page Boundary Tracking
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*
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* Access page boundary information to extract content from specific pages
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* using byte offsets in the extracted content.
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*/
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require_once __DIR__ . '/vendor/autoload.php';
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use function Kreuzberg\extract_file;
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$result = extract_file('document.pdf');
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if (isset($result->metadata->pages->boundaries) && !empty($result->metadata->pages->boundaries)) {
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$boundaries = $result->metadata->pages->boundaries;
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$contentBytes = $result->content;
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$pagesToShow = array_slice($boundaries, 0, 3);
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foreach ($pagesToShow as $boundary) {
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$pageContent = mb_substr(
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$contentBytes,
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$boundary->byteStart,
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$boundary->byteEnd - $boundary->byteStart
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);
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echo "Page {$boundary->pageNumber}:\n";
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echo " Byte range: {$boundary->byteStart}-{$boundary->byteEnd}\n";
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echo " Preview: " . mb_substr($pageContent, 0, 100) . "...\n\n";
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}
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}
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```
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