core/library/think/cache/driver/Xcache.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
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

namespace think\cache\driver;

use think\cache\Driver;

/**
 * Xcache缓存驱动
 * @author    liu21st <liu21st@gmail.com>
 */
class Xcache extends Driver
{
    protected $options = [
        'prefix' => '',
        'expire' => 0,
    ];

    /**
     * 构造函数
     * @param array $options 缓存参数
     * @access public
     * @throws \BadFunctionCallException
     */
    public function __construct($options = [])
    {
        if (!function_exists('xcache_info')) {
            throw new \BadFunctionCallException('not support: Xcache');
        }
        if (!empty($options)) {
            $this->options = array_merge($this->options, $options);
        }
    }

    /**
     * 判断缓存
     * @access public
     * @param string $name 缓存变量名
     * @return bool
     */
    public function has($name)
    {
        $key = $this->getCacheKey($name);
        return xcache_isset($key);
    }

    /**
     * 读取缓存
     * @access public
     * @param string $name 缓存变量名
     * @param mixed  $default 默认值
     * @return mixed