1. <?php
  3. /**
  4. * Pretty-prints log file contents with basic input validation.
  5. *
  6. * @param string $logFilePath Path to the log file.
  7. * @return void
  8. */
  9. function prettyPrintLog(string $logFilePath): void
  10. {
  11. //Basic input validation
  12. if (!file_exists($logFilePath)) {
  13. echo "Error: Log file not found at '$logFilePath'\n";
  14. return;
  15. }
  17. if (!is_readable($logFilePath)) {
  18. echo "Error: Log file is not readable.\n";
  19. return;
  20. }
  22. $logContent = file_get_contents($logFilePath);
  24. if ($logContent === false) {
  25. echo "Error: Failed to read log file.\n";
  26. return;
  27. }
  29. // Split the log content into lines
  30. $logLines = explode("\n", $logContent);
  32. // Pretty print each log line
  33. foreach ($logLines as $lineNumber => $logLine) {
  34. //Clean up the line by removing leading/trailing whitespace
  35. $logLine = trim($logLine);
  37. if ($logLine !== "") {
  38. echo sprintf("[%03d] %s\n", $lineNumber, $logLine); // Format with line number
  39. }
  40. }
  41. }
  43. //Example Usage (replace with your log file path)
  44. if (isset($argv[1])) {
  45. prettyPrintLog($argv[1]);
  46. } else {
  47. echo "Usage: php pretty_print_log.php <log_file_path>\n";
  48. }
  50. ?>

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