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File name : Item.php
Content :
<?php

/*
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace WPMailSMTP\Vendor\Google\Auth\Cache;

use DateTime;
use DateTimeInterface;
use DateTimeZone;
use WPMailSMTP\Vendor\Psr\Cache\CacheItemInterface;
use TypeError;
/**
 * A cache item.
 *
 * This class will be used by MemoryCacheItemPool and SysVCacheItemPool
 * on PHP 7.4 and below. It is compatible with psr/cache 1.0 and 2.0 (PSR-6).
 * @see TypedItem for compatiblity with psr/cache 3.0.
 */
final class Item implements \WPMailSMTP\Vendor\Psr\Cache\CacheItemInterface
{
    /**
     * @var string
     */
    private $key;
    /**
     * @var mixed
     */
    private $value;
    /**
     * @var DateTimeInterface|null
     */
    private $expiration;
    /**
     * @var bool
     */
    private $isHit = \false;
    /**
     * @param string $key
     */
    public function __construct($key)
    {
        $this->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'));
    }
}
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