75 lines
2.2 KiB
PHP
75 lines
2.2 KiB
PHP
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\template\driver;
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use think\Exception;
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class File
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{
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protected $cacheFile;
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/**
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* 写入编译缓存
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* @param string $cacheFile 缓存的文件名
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* @param string $content 缓存的内容
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* @return void|array
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*/
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public function write($cacheFile, $content)
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{
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// 检测模板目录
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$dir = dirname($cacheFile);
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if (!is_dir($dir)) {
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mkdir($dir, 0755, true);
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}
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// 生成模板缓存文件
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if (false === file_put_contents($cacheFile, $content)) {
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throw new Exception('cache write error:' . $cacheFile, 11602);
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}
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}
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/**
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* 读取编译编译
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* @param string $cacheFile 缓存的文件名
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* @param array $vars 变量数组
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* @return void
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*/
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public function read($cacheFile, $vars = [])
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{
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$this->cacheFile = $cacheFile;
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if (!empty($vars) && is_array($vars)) {
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// 模板阵列变量分解成为独立变量
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extract($vars, EXTR_OVERWRITE);
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}
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//载入模版缓存文件
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include $this->cacheFile;
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}
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/**
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* 检查编译缓存是否有效
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* @param string $cacheFile 缓存的文件名
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* @param int $cacheTime 缓存时间
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* @return boolean
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*/
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public function check($cacheFile, $cacheTime)
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{
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// 缓存文件不存在, 直接返回false
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if (!file_exists($cacheFile)) {
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return false;
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}
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if (0 != $cacheTime && $_SERVER['REQUEST_TIME'] > filemtime($cacheFile) + $cacheTime) {
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// 缓存是否在有效期
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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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