1. <?php
  3. /**
  4. * Decodes a list of directories, handling various input formats and compatibility.
  5. *
  6. * @param string $input The input string containing directory paths. Can be a single path,
  7. * a comma-separated list, or a newline-separated list.
  8. * @return array An array of decoded directory paths. Returns an empty array on error.
  9. */
  10. function decodeDirectories(string $input): array
  11. {
  12. $directories = [];
  14. if (empty($input)) {
  15. return $directories; // Return empty array for empty input
  16. }
  18. // Handle comma-separated input
  19. if (strpos($input, ',') !== false) {
  20. $directoryList = explode(',', $input);
  21. }
  22. // Handle newline-separated input
  23. elseif (strpos($input, "\n") !== false) {
  24. $directoryList = explode("\n", $input);
  25. }
  26. // Handle single path
  27. else {
  28. $directoryList = [$input];
  29. }
  31. foreach ($directoryList as $directory) {
  32. $directory = trim($directory); // Remove leading/trailing whitespace
  34. // Basic validation - ensure it's not empty after trimming
  35. if (!empty($directory)) {
  36. $directories[] = $directory;
  37. }
  38. }
  40. return $directories;
  41. }
  43. //Example Usage (for testing)
  44. /*
  45. $input1 = "/path/to/dir1,/path/to/dir2";
  46. $result1 = decodeDirectories($input1);
  47. print_r($result1);
  49. $input2 = "dir1\ndir2\ndir3";
  50. $result2 = decodeDirectories($input2);
  51. print_r($result2);
  53. $input3 = "/path/to/dir";
  54. $result3 = decodeDirectories($input3);
  55. print_r($result3);
  57. $input4 = "";
  58. $result4 = decodeDirectories($input4);
  59. print_r($result4);
  61. $input5 = " /path/to/dir , /another/dir ";
  62. $result5 = decodeDirectories($input5);
  63. print_r($result5);
  64. */
  66. ?>

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