vendor/facebook/graph-sdk/src/Facebook/Authentication/AccessToken.php

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

<?php
/**
 * Copyright 2017 Facebook, Inc.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to
 * use, copy, modify, and distribute this software in source code or binary
 * form for use in connection with the web services and APIs provided by
 * Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use
 * of this software is subject to the Facebook Developer Principles and
 * Policies [http://developers.facebook.com/policy/]. This copyright notice
 * shall be included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */
namespace Facebook\Authentication;

/**
 * Class AccessToken
 *
 * @package Facebook
 */
class AccessToken
{
    /**
     * The access token value.
     *
     * @var string
     */
    protected $value = '';

    /**
     * Date when token expires.
     *
     * @var \DateTime|null
     */
    protected $expiresAt;

    /**
     * Create a new access token entity.
     *
     * @param string $accessToken
     * @param int    $expiresAt
     */
    public function __construct($accessToken, $expiresAt = 0)
    {
        $this->value = $accessToken;
        if ($expiresAt) {
            $this->setExpiresAtFromTimeStamp($expiresAt);
        }
    }