1. <?php
  3. /**
  4. * Detects errors in CLI arguments.
  5. *
  6. * @param array $argv Array of command-line arguments.
  7. * @param array $expected_args Array of expected arguments and their types.
  8. * @return bool True if no errors found, false otherwise.
  9. */
  10. function validate_cli_arguments(array $argv, array $expected_args): bool
  11. {
  12. foreach ($expected_args as $name => $type) {
  13. if (isset($argv[$name])) {
  14. // Argument exists, check type
  15. if (!is_string($type) && !is_int($type)) { //Simple type checking
  16. return false; // Type mismatch
  17. }
  18. } else {
  19. // Argument missing
  20. return false; // Argument missing
  21. }
  22. }
  24. return true; // All arguments are valid
  25. }
  27. // Example Usage (for testing)
  28. if (count($argv) > 1) { //Check if arguments are provided
  29. $expected_args = [
  30. 'name' => 'string',
  31. 'age' => 'int',
  32. ];
  34. if (validate_cli_arguments($argv, $expected_args)) {
  35. echo "CLI arguments are valid.\n";
  36. //Process arguments
  37. echo "Name: " . $argv['name'] . "\n";
  38. echo "Age: " . $argv['age'] . "\n";
  40. } else {
  41. echo "Error: Invalid CLI arguments.\n";
  42. echo "Expected arguments: " . print_r($expected_args, true) . "\n";
  43. echo "Provided arguments: " . print_r($argv, true) . "\n";
  45. }
  46. } else {
  47. echo "Error: No CLI arguments provided.\n";
  48. echo "Usage: php script.php <name> <age>\n";
  49. }
  51. ?>

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