vendor/sulu/sulu/src/Sulu/Component/Cache/Memoize.php line 67

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  1. <?php
  3. /*
  4. * This file is part of Sulu.
  5. *
  6. * (c) Sulu GmbH
  7. *
  8. * This source file is subject to the MIT license that is bundled
  9. * with this source code in the file LICENSE.
  10. */
  12. namespace Sulu\Component\Cache;
  14. use Doctrine\Common\Cache\Cache;
  15. use Doctrine\Common\Cache\FlushableCache;
  16. use Symfony\Contracts\Service\ResetInterface;
  18. /**
  19. * Memoizer which uses Doctrine Cache to save data.
  20. */
  21. class Memoize implements MemoizeInterface, ResetInterface
  22. {
  23. /**
  24. * @param Cache $cache should also include FlushableCache to reset in other runtimes like FrankenPHP correctly
  25. * @param int $defaultLifeTime
  26. */
  27. public function __construct(protected Cache $cache, protected $defaultLifeTime)
  28. {
  29. }
  31. public function memoize($compute, $lifeTime = null)
  32. {
  33. // used to get information of the caller
  34. // returns a callstack (0 is current function, 1 is caller function)
  35. $callers = \debug_backtrace();
  37. if (
  38. !isset($callers[1])
  39. || !isset($callers[1]['class'])
  40. || !isset($callers[1]['function'])
  41. || !isset($callers[1]['args'])
  42. ) {
  43. throw new \InvalidArgumentException();
  44. }
  46. // build cache key
  47. $id = \sprintf('%s::%s', $callers[1]['class'], $callers[1]['function']);
  49. return $this->memoizeById($id, $callers[1]['args'], $compute, $lifeTime);
  50. }
  52. public function memoizeById($id, $arguments, $compute, $lifeTime = null)
  53. {
  54. // determine lifetime
  55. if (null === $lifeTime) {
  56. $lifeTime = $this->defaultLifeTime;
  57. }
  59. // determine cache key
  60. $id = \md5(\sprintf('%s(%s)', $id, \serialize($arguments)));
  62. // memoize pattern: save result for arguments once and
  63. // return the value from cache if it is called more than once
  64. if ($this->cache->contains($id)) {
  65. return $this->cache->fetch($id);
  66. } else {
  67. $value = \call_user_func_array($compute, $arguments);
  68. $this->cache->save($id, $value, $lifeTime);
  70. return $value;
  71. }
  72. }
  74. /**
  75. * @return void
  76. */
  77. public function reset()
  78. {
  79. if ($this->cache instanceof FlushableCache) {
  80. $this->cache->flushAll();
  81. }
  82. }
  83. }