1. <?php
  3. /**
  4. * Exports URL parameters for routine automation with basic input validation.
  5. *
  6. * @return array|false An array of validated URL parameters, or false on error.
  7. */
  8. function exportUrlParameters() {
  9. // Get all URL parameters.
  10. $params = get_url_parameters();
  12. // Validate and sanitize parameters.
  13. $validatedParams = [];
  14. foreach ($params as $key => $value) {
  15. $validatedParams[$key] = validateParameter($key, $value);
  16. }
  18. return $validatedParams;
  19. }
  21. /**
  22. * Retrieves URL parameters.
  23. *
  24. * @return array An associative array of URL parameters.
  25. */
  26. function get_url_parameters() {
  27. $params = [];
  28. if (isset($_GET)) {
  29. $params = $_GET;
  30. }
  31. return $params;
  32. }
  34. /**
  35. * Validates and sanitizes a single parameter.
  36. *
  37. * @param string $key The parameter key.
  38. * @param string $value The parameter value.
  39. * @return mixed The validated and sanitized parameter value, or false on error.
  40. */
  41. function validateParameter($key, $value) {
  42. // Basic validation: Check if the parameter exists and is not empty.
  43. if (empty($value)) {
  44. error_log("Invalid parameter: " . $key . " is empty."); // Log the error
  45. return false;
  46. }
  48. //Basic type validation: Check if the value is an integer.
  49. if (is_numeric($value)) {
  50. $value = (int)$value; //cast to int
  51. }
  53. //Sanitize the input. Important for security.
  54. $value = htmlspecialchars($value, ENT_QUOTES, 'UTF-8');
  56. return $value;
  57. }
  60. // Example usage (uncomment to test - remove before deployment)
  61. //$results = exportUrlParameters();
  63. //if ($results !== false) {
  64. // print_r($results);
  65. //} else {
  66. // echo "Error exporting URL parameters.";
  67. //}
  70. ?>

Add your comment