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49 lines
1.7 KiB
PHP
49 lines
1.7 KiB
PHP
<?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) 2006~2015 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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// 写入编译缓存
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public function write($cacheFile,$content){
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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,0777,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_:'.$cacheFile);
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}
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}
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// 读取编译编译
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public function read($cacheFile,$vars){
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// 模板阵列变量分解成为独立变量
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extract($vars, EXTR_OVERWRITE);
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//载入模版缓存文件
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include $cacheFile;
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}
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// 检查编译缓存是否有效
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public function check($template,$cacheFile,$cacheTime){
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if(!is_file($cacheFile)|| (is_file($template) && filemtime($template) > filemtime($cacheFile))) {
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// 模板文件如果有更新则缓存需要更新
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return false;
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}elseif ($cacheTime != 0 && time() > filemtime($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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