147 lines
4.7 KiB
PHP
147 lines
4.7 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | wechat-php-sdk
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// +----------------------------------------------------------------------
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// | 版权所有 2014~2017 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
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// +----------------------------------------------------------------------
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// | 官方文档: https://www.kancloud.cn/zoujingli/wechat-php-sdk
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// +----------------------------------------------------------------------
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// | 开源协议 ( https://mit-license.org )
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// +----------------------------------------------------------------------
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// | github开源项目：https://github.com/zoujingli/wechat-php-sdk
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// +----------------------------------------------------------------------
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namespace Wechat\Lib;
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use Wechat\Loader;
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/**
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* 微信SDK基础缓存类
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*
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* @author Anyon <zoujingli@qq.com>
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* @date 2016-08-20 17:50
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*/
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class Cache
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{
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/**
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* 缓存位置
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* @var string
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*/
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static public $cachepath;
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/**
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* 设置缓存
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* @param string $name
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* @param string $value
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* @param int $expired
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* @return mixed
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*/
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static public function set($name, $value, $expired = 0)
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{
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if (isset(Loader::$callback['CacheSet'])) {
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return call_user_func_array(Loader::$callback['CacheSet'], func_get_args());
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}
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$data = serialize(array('value' => $value, 'expired' => $expired > 0 ? time() + $expired : 0));
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return self::check() && file_put_contents(self::$cachepath . $name, $data);
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}
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/**
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* 读取缓存
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* @param string $name
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* @return mixed
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*/
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static public function get($name)
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{
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if (isset(Loader::$callback['CacheGet'])) {
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return call_user_func_array(Loader::$callback['CacheGet'], func_get_args());
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}
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if (self::check() && ($file = self::$cachepath . $name) && file_exists($file) && ($data = file_get_contents($file)) && !empty($data)) {
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$data = unserialize($data);
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if (isset($data['expired']) && ($data['expired'] > time() || $data['expired'] === 0)) {
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return isset($data['value']) ? $data['value'] : null;
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}
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}
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return null;
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}
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/**
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* 删除缓存
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* @param string $name
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* @return mixed
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*/
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static public function del($name)
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{
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if (isset(Loader::$callback['CacheDel'])) {
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return call_user_func_array(Loader::$callback['CacheDel'], func_get_args());
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}
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return self::check() && @unlink(self::$cachepath . $name);
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}
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/**
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* 输出内容到日志
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* @param string $line
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* @param string $filename
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* @return mixed
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*/
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static public function put($line, $filename = '')
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{
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if (isset(Loader::$callback['CachePut'])) {
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return call_user_func_array(Loader::$callback['CachePut'], func_get_args());
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}
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empty($filename) && $filename = date('Ymd') . '.log';
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return self::check() && file_put_contents(self::$cachepath . $filename, '[' . date('Y/m/d H:i:s') . "] {$line}\n", FILE_APPEND);
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}
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/**
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* 检查缓存目录
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* @return bool
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*/
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static protected function check()
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{
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empty(self::$cachepath) && self::$cachepath = dirname(__DIR__) . DIRECTORY_SEPARATOR . 'Cache' . DIRECTORY_SEPARATOR;
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self::$cachepath = rtrim(self::$cachepath, '/\\') . DIRECTORY_SEPARATOR;
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if (!is_dir(self::$cachepath) && !mkdir(self::$cachepath, 0755, true)) {
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return false;
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}
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return true;
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}
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/**
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* 文件缓存，成功返回文件路径
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* @param string $content 文件内容
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* @param string $filename 文件名称
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* @return bool|string
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*/
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static public function file($content, $filename = '')
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{
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if (isset(Loader::$callback['CacheFile'])) {
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return call_user_func_array(Loader::$callback['CacheFile'], func_get_args());
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}
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empty($filename) && $filename = md5($content) . '.' . self::getFileExt($content);
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if (self::check() && file_put_contents(self::$cachepath . $filename, $content)) {
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return self::$cachepath . $filename;
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}
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return false;
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}
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/**
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* 根据文件流读取文件后缀
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* @param string $content
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* @return string
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*/
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static public function getFileExt($content)
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{
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$types = [
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255216 => 'jpg', 7173 => 'gif', 6677 => 'bmp', 13780 => 'png',
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7368 => 'mp3', 4838 => 'wma', 7784 => 'mid', 6063 => 'xml',
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];
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$typeInfo = @unpack("C2chars", substr($content, 0, 2));
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$typeCode = intval($typeInfo['chars1'] . $typeInfo['chars2']);
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return isset($types[$typeCode]) ? $types[$typeCode] : 'mp4';
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}
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}
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