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- <?php
- namespace Symfony\Component\Cache\Simple;
- use Psr\SimpleCache\CacheInterface;
- class NullCache implements CacheInterface
- {
-
- public function get($key, $default = null)
- {
- return $default;
- }
-
- public function getMultiple($keys, $default = null)
- {
- foreach ($keys as $key) {
- yield $key => $default;
- }
- }
-
- public function has($key)
- {
- return false;
- }
-
- public function clear()
- {
- return true;
- }
-
- public function delete($key)
- {
- return true;
- }
-
- public function deleteMultiple($keys)
- {
- return true;
- }
-
- public function set($key, $value, $ttl = null)
- {
- return false;
- }
-
- public function setMultiple($values, $ttl = null)
- {
- return false;
- }
- }
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