1. <?php
  3. /**
  4. * Wraps a function that performs time-based hypothesis validation with a timeout.
  5. *
  6. * @param callable $func The function to wrap. Expected to accept a timestamp or similar time value.
  7. * @param int $timeout The timeout in seconds.
  8. * @return callable A wrapped function that includes a timeout.
  9. */
  10. function time_validate_with_timeout(callable $func, int $timeout): callable
  11. {
  12. return function ($time_value) use ($func, $timeout) {
  13. // Set a default result
  14. $result = null;
  16. // Start a timer
  17. $startTime = time();
  19. // Attempt to execute the function with a timeout
  20. $timed_out = false;
  21. $result = @$func($time_value); //Use @ to suppress warnings. Handle errors explicitly.
  23. if (!$result) {
  24. $timed_out = true; //If @$func returns false, consider it a timeout.
  25. }
  27. // Check if the timeout has expired
  28. if ($timed_out) {
  29. // Handle the timeout (e.g., return an error value, log the event)
  30. error_log("Time validation function timed out after $timeout seconds.");
  31. return false; // Or throw an exception, or return a specific error code
  32. }
  34. return $result;
  35. };
  36. }
  38. //Example usage (for testing - remove before deployment)
  39. /*
  40. function validate_time(int $time): bool {
  41. //Simulate a time-consuming validation process
  42. sleep(2);
  43. return $time > 100;
  44. }
  46. $wrapped_validate_time = time_validate_with_timeout('validate_time', 1);
  48. $result = $wrapped_validate_time(150);
  49. if ($result) {
  50. echo "Time is valid.\n";
  51. } else {
  52. echo "Time is invalid or timed out.\n";
  53. }
  55. $result = $wrapped_validate_time(50);
  56. if ($result) {
  57. echo "Time is valid.\n";
  58. } else {
  59. echo "Time is invalid or timed out.\n";
  60. }
  61. */
  63. ?>

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