vendor/symfony/http-kernel/EventListener/DumpListener.php line 39

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  1. <?php
  3. /*
  4. * This file is part of the Symfony package.
  5. *
  6. * (c) Fabien Potencier <[email protected]>
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace Symfony\Component\HttpKernel\EventListener;
  14. use Symfony\Component\Console\ConsoleEvents;
  15. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16. use Symfony\Component\VarDumper\Cloner\ClonerInterface;
  17. use Symfony\Component\VarDumper\Dumper\DataDumperInterface;
  18. use Symfony\Component\VarDumper\Server\Connection;
  19. use Symfony\Component\VarDumper\VarDumper;
  21. /**
  22. * Configures dump() handler.
  23. *
  24. * @author Nicolas Grekas <[email protected]>
  25. */
  26. class DumpListener implements EventSubscriberInterface
  27. {
  28. private $cloner;
  29. private $dumper;
  30. private $connection;
  32. public function __construct(ClonerInterface $cloner, DataDumperInterface $dumper, ?Connection $connection = null)
  33. {
  34. $this->cloner = $cloner;
  35. $this->dumper = $dumper;
  36. $this->connection = $connection;
  37. }
  39. public function configure()
  40. {
  41. $cloner = $this->cloner;
  42. $dumper = $this->dumper;
  43. $connection = $this->connection;
  45. VarDumper::setHandler(static function ($var) use ($cloner, $dumper, $connection) {
  46. $data = $cloner->cloneVar($var);
  48. if (!$connection || !$connection->write($data)) {
  49. $dumper->dump($data);
  50. }
  51. });
  52. }
  54. public static function getSubscribedEvents()
  55. {
  56. if (!class_exists(ConsoleEvents::class)) {
  57. return [];
  58. }
  60. // Register early to have a working dump() as early as possible
  61. return [ConsoleEvents::COMMAND => ['configure', 1024]];
  62. }
  63. }