vendor/symfony/http-foundation/Session/SessionBagProxy.php line 19

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  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\HttpFoundation\Session;
  14. /**
  15.  * @author Nicolas Grekas <p@tchwork.com>
  16.  *
  17.  * @internal
  18.  */
  19. final class SessionBagProxy implements SessionBagInterface
  20. {
  21.     private $bag;
  22.     private $data;
  23.     private $usageIndex;
  24.     private $usageReporter;
  26.     public function __construct(SessionBagInterface $bag, array &$data, ?int &$usageIndex, ?callable $usageReporter)
  27.     {
  28.         $this->bag = $bag;
  29.         $this->data = &$data;
  30.         $this->usageIndex = &$usageIndex;
  31.         $this->usageReporter = $usageReporter;
  32.     }
  34.     public function getBag(): SessionBagInterface
  35.     {
  36.         ++$this->usageIndex;
  37.         if ($this->usageReporter && 0 <= $this->usageIndex) {
  38.             ($this->usageReporter)();
  39.         }
  41.         return $this->bag;
  42.     }
  44.     public function isEmpty(): bool
  45.     {
  46.         if (!isset($this->data[$this->bag->getStorageKey()])) {
  47.             return true;
  48.         }
  49.         ++$this->usageIndex;
  50.         if ($this->usageReporter && 0 <= $this->usageIndex) {
  51.             ($this->usageReporter)();
  52.         }
  54.         return empty($this->data[$this->bag->getStorageKey()]);
  55.     }
  57.     /**
  58.      * {@inheritdoc}
  59.      */
  60.     public function getName(): string
  61.     {
  62.         return $this->bag->getName();
  63.     }
  65.     /**
  66.      * {@inheritdoc}
  67.      */
  68.     public function initialize(array &$array): void
  69.     {
  70.         ++$this->usageIndex;
  71.         if ($this->usageReporter && 0 <= $this->usageIndex) {
  72.             ($this->usageReporter)();
  73.         }
  75.         $this->data[$this->bag->getStorageKey()] = &$array;
  77.         $this->bag->initialize($array);
  78.     }
  80.     /**
  81.      * {@inheritdoc}
  82.      */
  83.     public function getStorageKey(): string
  84.     {
  85.         return $this->bag->getStorageKey();
  86.     }
  88.     /**
  89.      * {@inheritdoc}
  90.      */
  91.     public function clear()
  92.     {
  93.         return $this->bag->clear();
  94.     }
  95. }