1. <?php
  3. /**
  4. * Function to format and limit time output for isolated environments with verbose logging.
  5. *
  6. * @param string $timestamp The timestamp to format.
  7. * @param string $format The desired format (e.g., 'Y-m-d H:i:s').
  8. * @param string $logMessage A message for logging.
  9. * @return string The formatted timestamp, or an empty string if logging is disabled.
  10. */
  11. function formatAndLimitTime(string $timestamp, string $format, string $logMessage = ''): string
  12. {
  13. // Check if logging is enabled (can be a global config)
  14. if (isset($_ENV['LOG_ENABLED']) && $_ENV['LOG_ENABLED'] === 'false') {
  15. return ''; // Disable output if logging is off.
  16. }
  18. try {
  19. $dateTime = new DateTime($timestamp); // Create a DateTime object
  20. $formattedTime = $dateTime->format($format); // Format the time
  21. } catch (Exception $e) {
  22. //Handle invalid timestamps gracefully.
  23. error_log("Invalid timestamp: " . $timestamp . ". Error: " . $e->getMessage());
  24. return '';
  25. }
  28. // Limit output to specific environments (e.g., isolated environments)
  29. if (isset($_ENV['ENVIRONMENT']) && $_ENV['ENVIRONMENT'] === 'isolated') {
  30. error_log($logMessage . " - Timestamp: " . $formattedTime); // Log the timestamp
  31. return $formattedTime; // Output the formatted time
  32. } else {
  33. return ''; // Don't output if not in the isolated environment.
  34. }
  35. }
  37. // Example Usage
  38. $timestamp = '2024-01-27 10:30:00';
  39. $format = 'H:i:s';
  40. $logMessage = 'Processing data...';
  42. $output = formatAndLimitTime($timestamp, $format, $logMessage);
  44. if ($output !== '') {
  45. echo $output . PHP_EOL; // Output only if it's in the isolated environment and logging is enabled.
  46. }
  48. $timestamp = 'invalid-timestamp';
  49. $output = formatAndLimitTime($timestamp, $format, $logMessage);
  50. if ($output === '') {
  51. echo "Invalid timestamp handled correctly." . PHP_EOL;
  52. }
  55. ?>

Add your comment