1. <?php
  3. /**
  4. * Transforms form data for maintenance tasks with retry logic.
  5. *
  6. * @param array $formData Array of form data.
  7. * @param int $maxRetries Maximum number of retry attempts.
  8. * @return array|null Transformed data or null on failure after all retries.
  9. */
  10. function transformMaintenanceFormData(array $formData, int $maxRetries = 3): ?array
  11. {
  12. $retries = 0;
  13. $transformedData = null;
  15. while ($retries < $maxRetries) {
  16. try {
  17. // Data validation and transformation logic here
  18. $transformedData = validateAndTransformData($formData);
  19. if ($transformedData !== null) {
  20. return $transformedData;
  21. }
  22. } catch (Exception $e) {
  23. $retries++;
  24. error_log("Maintenance Task: Transformation failed (attempt " . $retries . "): " . $e->getMessage());
  25. if ($retries < $maxRetries) {
  26. // Wait before retrying (optional)
  27. sleep(1); // Wait 1 second
  28. }
  29. }
  30. }
  32. error_log("Maintenance Task: Transformation failed after " . $maxRetries . " attempts.");
  33. return null; // Return null if transformation fails after all retries
  34. }
  37. /**
  38. * Validates and transforms the form data. This is where the core logic goes.
  39. * Replace with your specific validation and transformation rules.
  40. *
  41. * @param array $formData Form data.
  42. * @return array|null Transformed data, or null if validation fails.
  43. */
  44. function validateAndTransformData(array $formData): ?array
  45. {
  46. // Example validation and transformation - adapt to your needs
  47. if (empty($formData['task_type'])) {
  48. throw new Exception("Task type is required.");
  49. }
  51. if (!in_array($formData['priority'], ['high', 'medium', 'low'])) {
  52. throw new Exception("Invalid priority value.");
  53. }
  55. $transformedData = [
  56. 'task_type' => strtolower($formData['task_type']), // Convert to lowercase
  57. 'priority' => $formData['priority'],
  58. 'description' => trim($formData['description']), // Remove whitespace
  59. 'scheduled_date' => date('Y-m-d', strtotime($formData['scheduled_date'])), // Format date
  60. ];
  62. return $transformedData;
  63. }
  66. // Example Usage:
  67. $form_data = [
  68. 'task_type' => 'High',
  69. 'priority' => 'high',
  70. 'description' => 'Fix the server',
  71. 'scheduled_date' => '2024-12-25'
  72. ];
  74. $transformed_data = transformMaintenanceFormData($form_data);
  76. if ($transformed_data) {
  77. echo "<pre>";
  78. print_r($transformed_data);
  79. echo "</pre>";
  80. } else {
  81. echo "Transformation failed.";
  82. }
  84. ?>

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