1. <?php
  3. /**
  4. * Retries an HTML page retrieval operation.
  5. *
  6. * @param string $url The URL of the HTML page.
  7. * @param int $maxRetries The maximum number of retries.
  8. * @param int $retryDelay The delay between retries in seconds.
  9. * @return string|false The HTML content if successful, false otherwise.
  10. */
  11. function retryHtmlPage(string $url, int $maxRetries = 3, int $retryDelay = 5): string|false
  12. {
  13. $retries = 0;
  15. while ($retries < $maxRetries) {
  16. try {
  17. // Fetch the HTML content.
  18. $html = file_get_contents($url);
  20. if ($html !== false) {
  21. return $html; // Success!
  22. } else {
  23. $retries++;
  24. if ($retries < $maxRetries) {
  25. sleep($retryDelay);
  26. } else {
  27. return false; // All retries failed.
  28. }
  29. }
  30. } catch (Exception $e) {
  31. $retries++;
  32. if ($retries < $maxRetries) {
  33. sleep($retryDelay);
  34. } else {
  35. return false; // All retries failed.
  36. }
  37. }
  38. }
  40. return false; // Should not reach here if retry logic is correct.
  41. }
  43. /**
  44. * Example usage:
  45. * @param string $url
  46. * @return string|false
  47. */
  48. function getHtmlData(string $url): string|false {
  49. $html = retryHtmlPage($url);
  50. return $html;
  51. }
  52. ?>

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