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php 文件缓存函数

WBOY
Release: 2016-06-06 20:38:54
Original
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php 文件缓存函数,需要的朋友可以参考下。

代码如下:
function createHashDir($sign)
{
$md5 = md5($sign);
if(!is_dir(MB_CACHE)) mkdir(MB_CACHE);
for($i=1;$i{
$dir .= $md5{$i}.'/';
if(!is_dir(MB_CACHE.$dir))
{
mkdir(MB_CACHE.$dir);
}
}
return MB_CACHE.$dir;
}
function setCacheFile($data,$sign = 'a',$type = 'array',$id = '')
{
$cacheDir = $this -> createHashDir($sign);
if(!empty($data))
{
$id = $id ? $id : $sign;
$cacheFile = $cacheDir.$id.'.php';
$content = $type == 'array' ? var_export($data,true) : $data;
file_put_contents($cacheFile,'');
}
}
function getCacheFile($sign = 'a',$id = '')
{
$cacheDir = $this -> createHashDir($sign);
$id = $id ? $id : $sign;
$cacheFile = $cacheDir.$id.'.php';
if(is_file($cacheFile) && include_once($cacheFile))
{
return $$sign;
}
}
function getCacheFilePath($sign = 'a',$id = '')
{
$cacheDir = $this -> createHashDir($sign);
$id = $id ? $id : $sign;
return $cacheDir.$id.'.php';
}
function delCacheFile($sign = 'a')
{
$cacheDir = $this -> createHashDir($sign);
$id = $id ? $id : $sign;
$cacheFile = $cacheDir.$id.'.php';
$this -> del_file($cacheFile);
}
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