1. <?php
  3. /**
  4. * Attaches timestamp metadata to a batch of data.
  5. *
  6. * @param array $data An array of data items (e.g., files, records).
  7. * @param string $timestampKey The key to store the timestamp metadata.
  8. * @return array The modified data array with timestamp metadata added.
  9. */
  10. function attachTimestamps(array $data, string $timestampKey = 'timestamp')
  11. {
  12. // Get the current timestamp.
  13. $timestamp = time();
  15. // Iterate over the data and add the timestamp metadata.
  16. foreach ($data as &$item) { // Use & to modify the original array
  17. $item[$timestampKey] = $timestamp; // Add the timestamp to each item
  18. }
  20. return $data;
  21. }
  23. /**
  24. * Example usage:
  25. */
  27. // Sample data (replace with your actual data).
  28. $batchData = [
  29. ['name' => 'File 1', 'content' => 'Some content'],
  30. ['name' => 'File 2', 'content' => 'More content'],
  31. ['name' => 'File 3', 'content' => 'Even more content'],
  32. ];
  34. // Attach the timestamp metadata.
  35. $timestampedData = attachTimestamps($batchData);
  37. // Output the timestamped data (for demonstration).
  38. print_r($timestampedData);
  40. ?>

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