1. <?php
  3. /**
  4. * Wraps file path logic with retry and error handling.
  5. *
  6. * @param string $filePath The file path to operate on.
  7. * @param callable $operation A callable (function) that takes a file path and performs an operation.
  8. * @param int $maxRetries The maximum number of retry attempts.
  9. * @param int $retryDelay The delay in seconds between retries.
  10. * @return mixed The result of the operation, or null on failure after all retries.
  11. * @throws Exception If the operation fails after all retries.
  12. */
  13. function safeFileOperation(string $filePath, callable $operation, int $maxRetries = 3, int $retryDelay = 1): mixed
  14. {
  15. $retries = 0;
  17. while ($retries < $maxRetries) {
  18. try {
  19. return $operation($filePath); // Attempt the operation
  20. } catch (Exception $e) {
  21. $retries++;
  22. if ($retries >= $maxRetries) {
  23. throw $e; // Re-throw the exception if max retries reached
  24. }
  25. // Wait before retrying
  26. sleep($retryDelay);
  27. }
  28. }
  30. throw new Exception("File operation failed after multiple retries."); // Should not reach here, but good to have
  31. }
  34. // Example usage (replace with your actual file path and operation)
  35. /*
  36. $filePath = '/path/to/your/file.txt';
  38. $result = safeFileOperation($filePath, function (string $path) {
  39. // Your file operation logic here
  40. // e.g., read file, write file, etc.
  41. try {
  42. $fileContents = file_get_contents($path);
  43. return $fileContents;
  44. } catch (Exception $e) {
  45. throw new Exception("Error reading file: " . $e->getMessage());
  46. }
  47. });
  49. if ($result !== null) {
  50. echo "Operation successful: " . $result . PHP_EOL;
  51. } else {
  52. echo "Operation failed after multiple retries." . PHP_EOL;
  53. }
  54. */
  56. ?>

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