1. <?php
  3. /**
  4. * Prepares environment for JSON responses with limited memory.
  5. *
  6. * This function aims to create JSON responses efficiently,
  7. * minimizing memory usage, suitable for one-off scripts.
  8. *
  9. * @param array $data The data to be encoded as JSON.
  10. * @param int $prettyPrint Optional. If true, formats JSON for readability.
  11. * @return string JSON string.
  12. */
  13. function prepareJsonResponse(array $data, bool $prettyPrint = false): string
  14. {
  15. // Use json_encode with resource to avoid buffering large strings in memory.
  16. $jsonString = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
  18. if ($prettyPrint) {
  19. $jsonString = json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
  20. }
  22. if ($jsonString === false) {
  23. // Handle JSON encoding errors gracefully.
  24. error_log("JSON encoding error: " . json_last_error_msg());
  25. return json_encode(['error' => 'Failed to encode to JSON'], JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
  26. }
  28. return $jsonString;
  29. }
  31. //Example usage
  32. /*
  33. $data = ['name' => 'John Doe', 'age' => 30, 'city' => 'New York'];
  34. $json = prepareJsonResponse($data, true);
  36. echo $json;
  37. */
  39. ?>

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