1. <?php
  3. /**
  4. * Loads resources from CLI arguments with retry logic.
  5. *
  6. * @param array $expectedArgs An array of expected command-line arguments and their types.
  7. * @param int $maxRetries The maximum number of retry attempts.
  8. * @return array|null An array containing the parsed arguments, or null on failure.
  9. */
  10. function loadResourcesFromArgs(array $expectedArgs, int $maxRetries = 3): ?array
  11. {
  12. $args = getopt(":", array_keys($expectedArgs)); // Parse command-line arguments
  14. $retries = 0;
  15. while ($retries < $maxRetries) {
  16. $validArgs = [];
  17. $success = true;
  19. foreach ($expectedArgs as $key => $type) {
  20. if (isset($args[$key])) {
  21. $value = $args[$key];
  22. if (is_numeric($type)) {
  23. $value = (int)$value; // Cast to integer if specified
  24. } elseif (is_bool($type)) {
  25. $value = (bool)$value; // Cast to boolean if specified
  26. }
  27. $validArgs[$key] = $value;
  28. } else {
  29. $success = false;
  30. error_log("Missing argument: " . $key);
  31. }
  32. }
  34. if ($success) {
  35. return $validArgs; // Successfully parsed arguments
  36. } else {
  37. $retries++;
  38. if ($retries < $maxRetries) {
  39. echo "Failed to parse arguments. Retrying... (" . $retries . "/" . $maxRetries . ")\n";
  40. // Add a delay before retrying (optional)
  41. sleep(1);
  42. } else {
  43. error_log("Failed to parse arguments after multiple retries.");
  44. return null; // Return null on failure after max retries
  45. }
  46. }
  47. }
  49. return null; // Should not reach here if retries are configured correctly.
  50. }
  52. // Example usage:
  53. // Define expected arguments and their types
  54. $expectedArgs = [
  55. 'input' => 'string',
  56. 'count' => 'int',
  57. 'debug' => 'bool',
  58. ];
  60. $args = loadResourcesFromArgs($expectedArgs);
  62. if ($args !== null) {
  63. echo "Arguments loaded successfully:\n";
  64. print_r($args);
  66. // Use the loaded arguments
  67. if (isset($args['input'])) {
  68. echo "Input file: " . $args['input'] . "\n";
  69. }
  70. if (isset($args['count'])) {
  71. echo "Count: " . $args['count'] . "\n";
  72. }
  73. if (isset($args['debug']) && $args['debug']) {
  74. echo "Debug mode is enabled.\n";
  75. }
  76. } else {
  77. echo "Failed to load arguments.\n";
  78. }
  81. ?>

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