key = $key; } /** * {@inheritdoc} */ public function getKey() { return $this->key; } /** * {@inheritdoc} */ public function get() { return $this->isHit() ? $this->value : null; } /** * {@inheritdoc} */ public function isHit() { if (!$this->isHit) { return \false; } if ($this->expiration === null) { return \true; } return $this->currentTime()->getTimestamp() < $this->expiration->getTimestamp(); } /** * {@inheritdoc} */ public function set($value) { $this->isHit = \true; $this->value = $value; return $this; } /** * {@inheritdoc} */ public function expiresAt($expiration) { if ($this->isValidExpiration($expiration)) { $this->expiration = $expiration; return $this; } $error = \sprintf('Argument 1 passed to %s::expiresAt() must implement interface DateTimeInterface, %s given', \get_class($this), \gettype($expiration)); throw new \TypeError($error); } /** * {@inheritdoc} */ public function expiresAfter($time) { if (\is_int($time)) { $this->expiration = $this->currentTime()->add(new \DateInterval("PT{$time}S")); } elseif ($time instanceof \DateInterval) { $this->expiration = $this->currentTime()->add($time); } elseif ($time === null) { $this->expiration = $time; } else { $message = 'Argument 1 passed to %s::expiresAfter() must be an ' . 'instance of DateInterval or of the type integer, %s given'; $error = \sprintf($message, \get_class($this), \gettype($time)); throw new \TypeError($error); } return $this; } /** * Determines if an expiration is valid based on the rules defined by PSR6. * * @param mixed $expiration * @return bool */ private function isValidExpiration($expiration) { if ($expiration === null) { return \true; } if ($expiration instanceof \DateTimeInterface) { return \true; } return \false; } /** * @return DateTime */ protected function currentTime() { return new \DateTime('now', new \DateTimeZone('UTC')); } }