1. <?php
  3. /**
  4. * Decodes CLI arguments for an experiment.
  5. *
  6. * This script parses command-line arguments and stores them in an associative array.
  7. * It handles optional arguments with default values.
  8. */
  10. // Initialize an empty array to store the arguments.
  11. $args = [];
  13. // Use getopt to parse command-line arguments.
  14. // The options are:
  15. // -a: string - argument for setting the analysis type, default is "default".
  16. // -n: int - number of iterations, default is 10.
  17. // -v: bool - verbose mode, default is false.
  18. $opt = getopt("a:n:v", ["analysis:", "iterations:", "verbose"]);
  20. // Iterate through the parsed options.
  21. foreach ($opt as $key => $value) {
  22. // Handle short options (e.g., -a)
  23. if (strpos($key, ':') === false) {
  24. // Handle long options (e.g., --analysis)
  25. if (isset($value) && !empty($value)) {
  26. $args[$key] = $value; // Store the value of the option
  27. } else {
  28. // If a long option is specified but no value is provided, set it to true
  29. $args[$key] = true;
  30. }
  31. } else {
  32. // Handle options with values (e.g., -a string)
  33. list($shortOption, $value) = explode(':', $key, 2);
  34. if (isset($value) && !empty($value)) {
  35. $args[$shortOption] = $value; // Store the value of the option
  36. } else {
  37. $args[$shortOption] = true;
  38. }
  39. }
  40. }
  43. // Set default values if arguments are not provided.
  44. if (empty($args['analysis'])) {
  45. $args['analysis'] = 'default';
  46. }
  48. if (empty($args['iterations'])) {
  49. $args['iterations'] = 10;
  50. }
  52. if (empty($args['verbose'])) {
  53. $args['verbose'] = false;
  54. }
  56. // Output the decoded arguments (for debugging or logging).
  57. // echo "<pre>";
  58. // print_r($args);
  59. // echo "</pre>";
  61. // Now you can use the $args array to access the command-line arguments.
  62. // For example:
  63. // $analysisType = $args['analysis'];
  64. // $numIterations = $args['iterations'];
  65. // $isVerbose = $args['verbose'];
  67. ?>

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