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Name	Size	Permission	Date
AbstractAdapter.php	8.44 KB	-rw-r--r--	2026-05-27 08:15
AbstractTagAwareAdapter.php	12.72 KB	-rw-r--r--	2026-05-27 08:15
AdapterInterface.php	993 B	-rw-r--r--	2026-05-27 08:15
ApcuAdapter.php	3.87 KB	-rw-r--r--	2026-05-27 08:15
ArrayAdapter.php	11.1 KB	-rw-r--r--	2026-05-27 08:15
ChainAdapter.php	9.14 KB	-rw-r--r--	2026-05-27 08:15
CouchbaseBucketAdapter.php	7.53 KB	-rw-r--r--	2026-05-27 08:15
CouchbaseCollectionAdapter.php	6.53 KB	-rw-r--r--	2026-05-27 08:15
DoctrineAdapter.php	2.78 KB	-rw-r--r--	2026-05-27 08:15
DoctrineDbalAdapter.php	17.08 KB	-rw-r--r--	2026-05-27 08:15
FilesystemAdapter.php	935 B	-rw-r--r--	2026-05-27 08:15
FilesystemTagAwareAdapter.php	7.41 KB	-rw-r--r--	2026-05-27 08:15
MemcachedAdapter.php	13.46 KB	-rw-r--r--	2026-05-27 08:15
NullAdapter.php	2.71 KB	-rw-r--r--	2026-05-27 08:15
ParameterNormalizer.php	898 B	-rw-r--r--	2026-05-27 08:15
PdoAdapter.php	21.01 KB	-rw-r--r--	2026-05-27 08:15
PhpArrayAdapter.php	12.31 KB	-rw-r--r--	2026-05-27 08:15
PhpFilesAdapter.php	10.03 KB	-rw-r--r--	2026-05-27 08:15
ProxyAdapter.php	8.27 KB	-rw-r--r--	2026-05-27 08:15
Psr16Adapter.php	1.86 KB	-rw-r--r--	2026-05-27 08:15
RedisAdapter.php	1.17 KB	-rw-r--r--	2026-05-27 08:15
RedisTagAwareAdapter.php	12.19 KB	-rw-r--r--	2026-05-27 08:15
TagAwareAdapter.php	11.21 KB	-rw-r--r--	2026-05-27 08:15
TagAwareAdapterInterface.php	769 B	-rw-r--r--	2026-05-27 08:15
TraceableAdapter.php	6.77 KB	-rw-r--r--	2026-05-27 08:15
TraceableTagAwareAdapter.php	926 B	-rw-r--r--	2026-05-27 08:15

Rename

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Cache\Adapter;

use Psr\Cache\CacheItemInterface;
use Symfony\Component\Cache\CacheItem;
use Symfony\Contracts\Cache\CacheInterface;

/**
 * @author Titouan Galopin <galopintitouan@gmail.com>
 */
class NullAdapter implements AdapterInterface, CacheInterface
{
    private static $createCacheItem;

public function __construct()
    {
        self::$createCacheItem ?? self::$createCacheItem = \Closure::bind(
            static function ($key) {
                $item = new CacheItem();
                $item->key = $key;
                $item->isHit = false;

return $item;
            },
            null,
            CacheItem::class
        );
    }

/**
     * {@inheritdoc}
     */
    public function get(string $key, callable $callback, ?float $beta = null, ?array &$metadata = null)
    {
        $save = true;

return $callback((self::$createCacheItem)($key), $save);
    }

/**
     * {@inheritdoc}
     */
    public function getItem($key)
    {
        return (self::$createCacheItem)($key);
    }

/**
     * {@inheritdoc}
     */
    public function getItems(array $keys = [])
    {
        return $this->generateItems($keys);
    }

/**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function hasItem($key)
    {
        return false;
    }

/**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function clear(string $prefix = '')
    {
        return true;
    }

/**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function deleteItem($key)
    {
        return true;
    }

/**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function deleteItems(array $keys)
    {
        return true;
    }

/**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function save(CacheItemInterface $item)
    {
        return true;
    }

/**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function saveDeferred(CacheItemInterface $item)
    {
        return true;
    }

/**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function commit()
    {
        return true;
    }

/**
     * {@inheritdoc}
     */
    public function delete(string $key): bool
    {
        return $this->deleteItem($key);
    }

private function generateItems(array $keys): \Generator
    {
        $f = self::$createCacheItem;

foreach ($keys as $key) {
            yield $key => $f($key);
        }
    }
}