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Simple and efficient file caching php class

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Simple and efficient file caching php class

<?php
class FileCache  
{   
    public $keyPrefix = '';   
    public $cachePath = '';   
    public $cacheFileSuffix = '.bin';   
    public $directoryLevel = 1;    
    public $gcProbability = 10;  
    public $fileMode;   
    public $dirMode = 0775;  
    function __construct()  
    {  
        $this->cachePath = HT::$cacheRoot.'htcache';  
    }  
  
    function FileCache()  
    {  
        $this->__construct();  
    }

$dir: cache file storage directory

$lifetime: cache file validity period, in seconds

$cacheid: cache file path, including file name

$ext: Cache file extension (can be omitted), used here for the convenience of viewing the file

Destructor, check whether the cache directory is valid, default assignment, check Whether the cache is valid, write the cache

$mode == 0, obtain the page content through the browser cache

$mode == 1, use direct assignment (received through the $content parameter) Get the page content by

$mode == 2, get the page content by reading locally (fopen ile_get_contents) (it seems that this method is unnecessary)

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