1. <?php
  3. /**
  4. * Flushes output for timestamps in short-lived tasks.
  5. *
  6. * This code is designed for situations where asynchronous processing
  7. * is not feasible and immediate output is desired.
  8. */
  10. /**
  11. * Function to flush output.
  12. */
  13. function flush_output() {
  14. ob_flush(); // Flush output buffer.
  15. fflush(stdout); // Flush standard output.
  16. fflush(stderr); // Flush standard error.
  17. }
  19. /**
  20. * Example usage:
  21. *
  22. * This function is meant to be called at key points in your task.
  23. * After each timestamp/output you want to see immediately.
  24. */
  25. function example_task() {
  26. $timestamp = date('Y-m-d H:i:s');
  27. echo "Task started: " . $timestamp . "\n";
  28. flush_output(); // Flush after starting message.
  30. // Simulate some work
  31. usleep(500000); // 0.5 seconds
  33. $timestamp = date('Y-m-d H:i:s');
  34. echo "Task processing: " . $timestamp . "\n";
  35. flush_output(); // Flush after processing message.
  37. // Simulate more work
  38. usleep(750000); // 0.75 seconds
  40. $timestamp = date('Y-m-d H:i:s');
  41. echo "Task completed: " . $timestamp . "\n";
  42. flush_output(); // Flush after completion message.
  43. }
  47. // call the example task
  48. example_task();
  50. ?>

Add your comment