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<?php
namespace Koded\Caching;
use Psr\Cache\CacheItemInterface;
abstract class CacheItem implements CacheItemInterface
{
/** @var bool */
protected $isHit = false;
/** @var string Expects a valid cache key name */
private $key;
/** @var mixed */
private $value;
/** @var int Number of seconds for the expiration time */
private $expiresAt;
public function __construct($key, ?int $ttl)
$this->key = $key;
$this->expiresAt = $ttl;
}
public function getKey(): string
return $this->key;
public function get()
return $this->value;
public function isHit(): bool
return $this->isHit;
public function set($value)
$this->value = $value;
return $this;
public function expiresAfter($time)
// The TTL is calculated in the cache client instance
return $this->expiresAt($time);
public function expiresAt($expiration)
$this->expiresAt = normalize_ttl($expiration ?? $this->expiresAt);
if ($this->expiresAt < 1) {
$this->isHit = false;
/**
* Returns expiration seconds for the cache item.
* NULL is reserved for clients who do not support expiry
* to implement some custom logic around the TTL.
*
* This method is not part of the PSR-6.
* @return int|null
*/
public function getExpiresAt(): ?int
return $this->expiresAt;
kodedphp /
cache-extended
