1. <?php
  3. class TaskQueue {
  5. private $tasks = [];
  7. public function enqueue(string $taskName, int $time, array $flags = []): void {
  8. // Add task to the queue
  9. $this->tasks[] = [
  10. 'name' => $taskName,
  11. 'time' => $time,
  12. 'flags' => $flags,
  13. ];
  14. }
  16. public function runTasks(): void {
  17. $now = time();
  19. foreach ($this->tasks as $task) {
  20. // Check if the task is due
  21. if ($now >= $task['time']) {
  22. echo "Running task: " . $task['name'] . "\n";
  23. // Simulate task execution
  24. if (!empty($task['flags']['debug'])) {
  25. echo "Debug mode enabled.\n";
  26. }
  27. // Remove the task from the queue
  28. unset($this->tasks[array_search($task, $this->tasks)]);
  29. }
  30. }
  31. }
  32. }
  34. // Example Usage
  35. $queue = new TaskQueue();
  37. $queue->enqueue('Backup Database', time() + 60, ['debug' => true]); // Run in 1 minute, debug mode
  38. $queue->enqueue('Send Report', time() + 120); // Run in 2 minutes
  39. $queue->enqueue('Update Cache', time() + 180, ['urgent' => true]); // Run in 3 minutes, urgent flag
  41. // Run the tasks
  42. $queue->runTasks();
  44. ?>

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