Implementation code for php static caching to improve website access speed

1. The following code requirements: 1. The system supports php 2. Support file_get_contents file_put_contents [can also be replaced with a function with the same effect] 3. It is best to support gzcompress

2. How to use 1. Download the huncun.php file shared below 2. Create a folder huancun (or other) in the root directory of the website 3. Copy huncun.php to the huancun directory 4. Create a folder cache directory under the huancun directory 5. Load this file using the public file header of the website or generating a static web page header. include("/huancun/huancun.php"); 6. Clear cache

3. Disadvantages 1. Content cannot be updated in real time using this system. The cache must be cleared before the content can be updated or the content cannot be updated until the set cache time. 2. The first access speed is slower because there is no cache. The second time is to call the cache file, and it is faster then. 3. Cache files occupy disk space. It is recommended to use a server or a server with relatively large space. Or delete cache files regularly

Example,

<?php
/**
 * 清空缓存代码
 * bbs.it-home.org
*/
if($_GET['phphuancun']!="true"){
define("HC_PATH",dirname(__FILE__)."/cache/");
define("HC_TIME",1);
echo HC_getcache();exit;
}
function HC_getcache($iscache='')
{
$url="http://".$_SERVER['SERVER_NAME'].$_SERVER['REQUEST_URI'];
$cacheurl=strpos($url,"?")?$url."&phphuancun=true":$url."?phphuancun=true";
$cachename=HC_PATH.md5($url).".c";
 
$cachetime=$iscache?time()+1:time()-(HC_TIME * 60*60);
if(file_exists($cachename) && filemtime($cachename)>=$cachetime){
$return=file_get_contents($cachename);$data=function_exists(gzcompress)?@gzuncompress($return):$return;
return unserialize($data);
}else{$return=file_get_contents($cacheurl);HC_writecache($cachename,$return);return $return;}
 
}
function HC_writecache($name,$array)
{
function_exists(gzcompress)?$return =gzcompress(serialize($array)):$return=serialize($array);
@file_put_contents($name,$return);
}
?>