1. <?php
  3. /**
  4. * Decodes and validates a record with manual override capability.
  5. *
  6. * @param array $record The input record data.
  7. * @param array $validationRules An associative array of validation rules.
  8. * Key: Field name, Value: Array of validation rules (e.g., ['required', 'string', 'min=5']).
  9. * @param array $manualOverrides An associative array of field names and their overridden values.
  10. * @return array|bool Returns the validated record if successful, false otherwise.
  11. */
  12. function decodeAndValidateRecord(array $record, array $validationRules, array $manualOverrides): array|bool
  13. {
  14. $validatedRecord = $record;
  16. foreach ($validationRules as $fieldName => $rules) {
  17. if (array_key_exists($fieldName, $manualOverrides)) {
  18. $validatedRecord[$fieldName] = $manualOverrides[$fieldName];
  19. continue; // Skip validation if manually overridden
  20. }
  22. $value = $validatedRecord[$fieldName] ?? null; // Handle potentially missing fields
  24. foreach ($rules as $rule) {
  25. switch ($rule) {
  26. case 'required':
  27. if (empty($value)) {
  28. return false; // Required field is missing
  29. }
  30. break;
  31. case 'string':
  32. if (!is_string($value)) {
  33. return false; // Field must be a string
  34. }
  35. break;
  36. case 'min':
  37. if (strlen($value) < (int)$value['min']) {
  38. return false; // String must be at least min characters long
  39. }
  40. break;
  41. case 'max':
  42. if (strlen($value) > (int)$value['max']) {
  43. return false; // String must be at most max characters long
  44. }
  45. break;
  46. case 'email':
  47. if (!filter_var($value, FILTER_VALIDATE_EMAIL)) {
  48. return false; // Field must be a valid email
  49. }
  50. break;
  51. case 'numeric':
  52. if (!is_numeric($value)) {
  53. return false;
  54. }
  55. break;
  56. default:
  57. // Unknown validation rule - log or handle as needed
  58. error_log("Unknown validation rule: " . $rule . " for field: " . $fieldName);
  59. return false;
  60. }
  61. }
  62. }
  64. return $validatedRecord; // Record is valid
  65. }
  67. ?>

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