1. <?php
  3. /**
  4. * File Error Detector (Non-Production Use)
  5. *
  6. * Detects potential file errors (permissions, existence) for non-production environments.
  7. */
  9. /**
  10. * Checks if a file exists and is readable.
  11. *
  12. * @param string $filePath The path to the file.
  13. * @return bool True if the file exists and is readable, false otherwise.
  14. */
  15. function isFileReadable(string $filePath): bool
  16. {
  17. if (!file_exists($filePath)) {
  18. return false; // File does not exist
  19. }
  21. if (!is_readable($filePath)) {
  22. return false; // File is not readable
  23. }
  25. return true; // File exists and is readable
  26. }
  28. /**
  29. * Checks if a directory exists and is writable.
  30. *
  31. * @param string $dirPath The path to the directory.
  32. * @return bool True if the directory exists and is writable, false otherwise.
  33. */
  34. function isDirectoryWritable(string $dirPath): bool
  35. {
  36. if (!is_dir($dirPath)) {
  37. return false; // Directory does not exist
  38. }
  40. if (!is_writable($dirPath)) {
  41. return false; // Directory is not writable
  42. }
  44. return true; // Directory exists and is writable
  45. }
  48. /**
  49. * Detects file errors in a given directory.
  50. *
  51. * @param string $directoryPath The path to the directory to check.
  52. * @return array An array of errors found. Empty array if no errors.
  53. */
  54. function detectFileErrors(string $directoryPath): array
  55. {
  56. $errors = [];
  58. if (!is_dir($directoryPath)) {
  59. $errors[] = "Error: Directory '$directoryPath' does not exist.";
  60. return $errors;
  61. }
  63. $files = scandir($directoryPath);
  65. if ($files === false) {
  66. $errors[] = "Error: Could not scan directory '$directoryPath'.";
  67. return $errors;
  68. }
  71. foreach ($files as $file) {
  72. if ($file == '.' || $file == '..') {
  73. continue; // Skip current and parent directory entries
  74. }
  76. $filePath = $directoryPath . '/' . $file;
  78. if (!isFileReadable($filePath)) {
  79. $errors[] = "Error: File '$filePath' is not readable.";
  80. }
  82. if (is_file($filePath) && !is_readable($filePath)) {
  83. $errors[] = "Error: File '$filePath' is not readable.";
  84. }
  85. }
  87. return $errors;
  88. }
  91. // Example Usage (for testing/non-production)
  92. if (php_sapi_name() !== 'cli') {
  93. // Prevent execution when running from command line
  94. exit;
  95. }
  98. $directoryToScan = './uploads'; // Replace with your directory
  100. $errors = detectFileErrors($directoryToScan);
  102. if (empty($errors)) {
  103. echo "No file errors detected in '$directoryToScan'.\n";
  104. } else {
  105. echo "File errors detected in '$directoryToScan':\n";
  106. foreach ($errors as $error) {
  107. echo "- " . $error . "\n";
  108. }
  109. }
  111. ?>

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