vendor/stripe/stripe-php/lib/Util/Set.php line 5

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  1. <?php
  3. namespace Stripe\Util;
  5. class Set implements \IteratorAggregate
  6. {
  7. private $_elts;
  9. public function __construct($members = [])
  10. {
  11. $this->_elts = [];
  12. foreach ($members as $item) {
  13. $this->_elts[$item] = true;
  14. }
  15. }
  17. public function includes($elt)
  18. {
  19. return isset($this->_elts[$elt]);
  20. }
  22. public function add($elt)
  23. {
  24. $this->_elts[$elt] = true;
  25. }
  27. public function discard($elt)
  28. {
  29. unset($this->_elts[$elt]);
  30. }
  32. public function toArray()
  33. {
  34. return \array_keys($this->_elts);
  35. }
  37. /**
  38. * @return \ArrayIterator
  39. */
  40. #[\ReturnTypeWillChange]
  41. public function getIterator()
  42. {
  43. return new \ArrayIterator($this->toArray());
  44. }
  45. }