1. <?php
  3. /**
  4. * Reloads dataset configurations, supporting older versions.
  5. *
  6. * @param string $config_file Path to the configuration file.
  7. * @param string $version Optional: Configuration version to load. If not provided, loads the latest.
  8. * @return array|false An array containing the configuration data, or false on failure.
  9. */
  10. function reloadDatasetConfig(string $config_file, string $version = ''): array|false
  11. {
  12. try {
  13. // Determine the configuration file path based on the specified version.
  14. $file_path = $version ? $config_file . '_' . $version . '.json' : $config_file . '_latest.json';
  16. // Check if the configuration file exists.
  17. if (!file_exists($file_path)) {
  18. error_log("Dataset configuration file not found: " . $file_path);
  19. return false;
  20. }
  22. // Load the configuration from the JSON file.
  23. $config_data = json_decode(file_get_contents($file_path), true);
  25. // Check for JSON decoding errors.
  26. if (json_last_error() !== JSON_ERROR_NONE) {
  27. error_log("Error decoding JSON from file: " . $file_path . ". Error: " . json_last_error_msg());
  28. return false;
  29. }
  31. return $config_data;
  33. } catch (Exception $e) {
  34. error_log("An unexpected error occurred: " . $e->getMessage());
  35. return false;
  36. }
  37. }
  39. // Example usage (replace with your actual file path)
  40. //$config = reloadDatasetConfig('datasets/config');
  42. //if ($config) {
  43. // // Use the loaded configuration data
  44. // print_r($config);
  45. //} else {
  46. // echo "Failed to reload dataset configuration.";
  47. //}
  49. ?>

Add your comment