1. <?php
  3. /**
  4. * Extends existing text file logic with debugging and input validation.
  5. *
  6. * @param string $filename The name of the text file.
  7. * @param array $data The data to write to the file.
  8. * @param string $mode The file opening mode (e.g., 'w', 'a').
  9. * @return bool True on success, false on failure.
  10. */
  11. function writeDataToFileWithDebug(string $filename, array $data, string $mode = 'w'): bool
  12. {
  13. // Input validation: Check if filename is provided and is a string.
  14. if (empty($filename) || !is_string($filename)) {
  15. error_log("Invalid filename provided: " . var_export($filename, true));
  16. return false;
  17. }
  19. //Input validation: Check if data is provided and is an array
  20. if(empty($data) || !is_array($data)){
  21. error_log("Invalid data provided: " . var_export($data, true));
  22. return false;
  23. }
  25. // Debugging: Log the filename and data being written.
  26. error_log("Writing to file: " . $filename);
  27. error_log("Data to write: " . json_encode($data));
  29. try {
  30. $result = file_put_contents($filename, json_encode($data)); //Use json_encode to handle arrays properly
  31. if ($result === false) {
  32. error_log("Error writing to file: " . $filename);
  33. return false;
  34. }
  35. return true;
  36. } catch (Exception $e) {
  37. error_log("Exception writing to file: " . $e->getMessage());
  38. return false;
  39. }
  40. }
  43. /**
  44. * Reads data from a text file with basic validation.
  45. *
  46. * @param string $filename The name of the text file.
  47. * @return array|false The data read from the file as an array, or false on failure.
  48. */
  49. function readDataFromFileWithDebug(string $filename): array|false
  50. {
  52. // Input validation: Check if filename is provided and is a string
  53. if (empty($filename) || !is_string($filename)) {
  54. error_log("Invalid filename provided: " . var_export($filename, true));
  55. return false;
  56. }
  58. // Debugging: Log the filename being read.
  59. error_log("Reading from file: " . $filename);
  61. try {
  62. $file_contents = file_get_contents($filename);
  64. if ($file_contents === false) {
  65. error_log("Error reading file: " . $filename);
  66. return false;
  67. }
  69. $data = json_decode($file_contents, true); // Decode JSON to array
  70. if (json_last_error() !== JSON_ERROR_NONE) {
  71. error_log("Error decoding JSON from file: " . $filename . ". Error: " . json_last_error_msg());
  72. return false;
  73. }
  74. return $data;
  76. } catch (Exception $e) {
  77. error_log("Exception reading from file: " . $e->getMessage());
  78. return false;
  79. }
  80. }
  82. ?>

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