1. <?php
  3. /**
  4. * Sanitizes a list of URLs for exploratory work via CLI.
  5. *
  6. * @param array $urls An array of URLs to sanitize.
  7. * @return array A sanitized array of URLs.
  8. * @throws InvalidArgumentException If input is not an array.
  9. */
  10. function sanitizeUrls(array $urls): array
  11. {
  12. // Validate input
  13. if (!is_array($urls)) {
  14. throw new InvalidArgumentException("Input must be an array of URLs.");
  15. }
  17. $sanitizedUrls = [];
  19. foreach ($urls as $url) {
  20. // Trim whitespace from the URL
  21. $url = trim($url);
  23. // Validate URL format (basic check)
  24. if (!filter_var($url, FILTER_VALIDATE_URL)) {
  25. // Skip invalid URLs or log an error. Here, we'll skip.
  26. continue;
  27. }
  29. // Encode special characters for safe use in various contexts (e.g., database queries)
  30. $sanitizedUrl = htmlspecialchars($url, ENT_QUOTES, 'UTF-8');
  32. $sanitizedUrls[] = $sanitizedUrl;
  33. }
  35. return $sanitizedUrls;
  36. }
  39. /**
  40. * CLI interface for URL sanitization.
  41. */
  42. if (php_sapi_name() === 'cli') {
  43. // Get URLs from command line arguments (excluding script name)
  44. $inputUrls = array_slice($argv, 1);
  46. try {
  47. $sanitizedUrls = sanitizeUrls($inputUrls);
  49. // Output the sanitized URLs
  50. foreach ($sanitizedUrls as $url) {
  51. echo $url . PHP_EOL;
  52. }
  53. } catch (InvalidArgumentException $e) {
  54. echo "Error: " . $e->getMessage() . PHP_EOL;
  55. }
  56. }
  58. ?>

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