1. <?php
  3. /**
  4. * Deserializes command-line options and performs basic validation.
  5. *
  6. * @param array $argv Array of command-line arguments.
  7. * @return array Associative array of validated options. Returns an empty array on error.
  8. */
  9. function deserializeOptions(array $argv): array
  10. {
  11. $options = [];
  12. $valid = true;
  14. // Use array_filter to process options. Ignore script name and path.
  15. $optionArgs = array_filter($argv, function ($arg) {
  16. return $arg !== $argv[0] && strpos($arg, '-') === 0;
  17. });
  20. foreach ($optionArgs as $arg) {
  21. // Split the option into name and value
  22. $parts = explode('=', $arg, 2);
  24. if (count($parts) !== 2) {
  25. echo "Error: Invalid option format: $arg\n";
  26. $valid = false;
  27. continue; //skip to next option
  28. }
  30. $optionName = strtolower($parts[0]);
  31. $optionValue = trim($parts[1]);
  33. // Basic validation based on option name
  34. switch ($optionName) {
  35. case 'name':
  36. if (empty($optionValue)) {
  37. echo "Error: Option --name requires a value.\n";
  38. $valid = false;
  39. break;
  40. }
  41. $options['name'] = $optionValue;
  42. break;
  43. case 'age':
  44. if (!is_numeric($optionValue)) {
  45. echo "Error: Option --age requires a numeric value.\n";
  46. $valid = false;
  47. break;
  48. }
  49. $age = (int)$optionValue;
  50. if ($age < 0 || $age > 150) {
  51. echo "Error: Option --age must be between 0 and 150.\n";
  52. $valid = false;
  53. break;
  54. }
  55. $options['age'] = $age;
  56. break;
  57. case 'email':
  58. if (!filter_var($optionValue, FILTER_VALIDATE_EMAIL)) {
  59. echo "Error: Option --email is not a valid email address.\n";
  60. $valid = false;
  61. break;
  62. }
  63. $options['email'] = $optionValue;
  64. break;
  65. default:
  66. echo "Error: Unknown option: $optionName\n";
  67. $valid = false;
  68. break;
  69. }
  71. }
  73. if (!$valid) {
  74. return []; // Return empty array if any error occurred.
  75. }
  77. return $options;
  78. }
  79. ?>

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