vendor/knplabs/knp-menu/src/Knp/Menu/Provider/LazyProvider.php line 25

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  1. <?php
  3. namespace Knp\Menu\Provider;
  5. use Knp\Menu\ItemInterface;
  7. /**
  8. * A menu provider building menus lazily thanks to builder callables.
  9. *
  10. * Builders can either be callables or a factory for an object callable
  11. * represented as [Closure, method], where the Closure gets called
  12. * to instantiate the object.
  13. *
  14. * @final since 3.8.0
  15. */
  16. class LazyProvider implements MenuProviderInterface
  17. {
  18. /**
  19. * @phpstan-param array<string, (callable(): ItemInterface)|array{\Closure(): object, string}> $builders
  20. */
  21. public function __construct(private array $builders)
  22. {
  23. }
  25. public function get(string $name, array $options = []): ItemInterface
  26. {
  27. if (!isset($this->builders[$name])) {
  28. throw new \InvalidArgumentException(\sprintf('The menu "%s" is not defined.', $name));
  29. }
  31. $builder = $this->builders[$name];
  33. if (\is_array($builder) && isset($builder[0]) && $builder[0] instanceof \Closure) {
  34. $builder[0] = $builder[0]();
  35. }
  37. if (!\is_callable($builder)) {
  38. throw new \LogicException(\sprintf('Invalid menu builder for "%s". A callable or a factory for an object callable are expected.', $name));
  39. }
  41. return $builder($options);
  42. }
  44. public function has(string $name, array $options = []): bool
  45. {
  46. return isset($this->builders[$name]);
  47. }
  48. }