1. <?php
  3. /**
  4. * Limits directory listing output for a one-off script.
  5. *
  6. * Prevents excessive output when listing directories,
  7. * particularly in cases with many files.
  8. *
  9. * @param string $dir The directory to list.
  10. * @param int $max_files The maximum number of files to display. Defaults to 20.
  11. */
  12. function limitDirectoryListing(string $dir, int $max_files = 20): void
  13. {
  14. // Check if the directory exists
  15. if (!is_dir($dir)) {
  16. echo "Directory not found.\n";
  17. return;
  18. }
  20. $files = scandir($dir);
  22. if ($files === false) {
  23. echo "Error reading directory.\n";
  24. return;
  25. }
  27. $count = 0;
  28. foreach ($files as $file) {
  29. // Skip current and parent directories
  30. if ($file == "." || $file == "..") {
  31. continue;
  32. }
  34. // Only output the first $max_files files
  35. if ($count < $max_files) {
  36. echo $file . "\n";
  37. $count++;
  38. } else {
  39. break; // Stop iterating once the limit is reached
  40. }
  41. }
  42. }
  44. // Example usage:
  45. // limitDirectoryListing("/path/to/your/directory", 10);
  47. ?>

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