1. <?php
  3. /**
  4. * Replaces time values for validation checks.
  5. *
  6. * @param string $time_value The time value string (e.g., '10:30:00').
  7. * @param string $replacement_value The replacement time value string (e.g., '00:00:00').
  8. * @param string $format The format of the time value (e.g., 'H:i:s').
  9. * @return string The replaced time value string, or the original value if the input is invalid.
  10. */
  11. function replaceTimeForValidation(string $time_value, string $replacement_value, string $format = 'H:i:s'): string
  12. {
  13. // Validate input parameters
  14. if (empty($time_value) || empty($replacement_value) || empty($format)) {
  15. return $time_value; // Return original if any input is empty.
  16. }
  18. // Attempt to create a DateTime object. Handle potential errors gracefully.
  19. try {
  20. $original_datetime = new DateTime($time_value);
  21. } catch (Exception $e) {
  22. return $time_value; // Return original if parsing fails.
  23. }
  25. // Create a new DateTime object with the replacement value.
  26. $new_datetime = new DateTime($replacement_value);
  28. // Format the new DateTime object back to the original format.
  29. return $new_datetime->format($format);
  30. }
  32. //Example Usage
  33. // $time = "14:45:12";
  34. // $replaced_time = replaceTimeForValidation($time, "00:00:00");
  35. // echo $replaced_time . "\n";
  37. ?>

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