Home  >  Article  >  php教程  >  php 缓存函数代码

php 缓存函数代码

WBOY
WBOYOriginal
2016-06-13 12:27:04772browse

复制代码 代码如下:


**
* @说明: 文件缓存输出
* @参数: $cachefile => cache文件(绝对路径)
* @参数: $pertime => 缓存输出的间隔时间
* @参数: $sql => sql语句
* @参数: $templatefile => 模板文件名称(绝对路径)
* www.php100.com 来自
**/
function __cache($cachefile,$pertime,$sql,$templatefile) {
global $db;
if(time() - @filemtime($cachefile) >= $pertime) {
$query = $db->query($sql);
while($r=$db->fetch($query)) {
$cachelist[] = $r;
}
include $templatefile.'.php';
$cacheserialize = serialize($cachelist);
file_put_contents($cachefile,$cacheserialize);
}else{
$cachelist = unserialize(file_get_contents($cachefile));
include $templatefile.'.php';
}
}

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn