PHP Classes

PHP Simple Cache: Retrieve the current page from a cache file

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Not yet rated by the usersTotal: 75 All time: 10,198 This week: 488Up
Version License PHP version Categories
php-simple-cache 0.1BSD License4Files and Folders, Cache
Description 

Author

Dmitry Stroganov

This class can store and retrieve the current page from a cache file.

It can compute an hash from the current page request URL to determine the name of a cache file on which the current page content will be stored.

The class returns the the cache file contents if it already exists and if it was not created more than a given cache expiry timeout period.

Otherwise the class can create a new cache file using the same file name based on the current request URL.

The cache file directory path is based on the first letter of the cache file name and the base cache file path. If the cache directory does not exist, the class creates it.

The cache file base directory path and the expiry time are configurable parameters.

Picture of Dmitry Stroganov
  Performance   Level  

Level 1 Star

 

Example

<?php

require_once ('cache/cache.php');

class main {

    function main() {
   
        ...
       
        $this->cache = new cache();
   
    }

    ...
   
    function show() {
   
        $html = $this->cache->return_cache();
           
        if ($html == false) {
            $html = this->render_site();
        }
       
        $this->cache->make_cache($html);
   
        echo $html;
    }

}

?>

Details

If your site has mostly static content and you do not want to setup nginx or do not have enough permissions (for example virtual hosting) you may find this class useful for you.

Especially if your site more than 5 000 unique visitors per day, your hosting type is virtual hosting, your hosting provider start saying that you better upgrade to VPS/VDS and you do not want to pay more.

Steps to use: create a folder named cache in the httpdocs folder of your site, copy cache.php into it, configure path and timeout in the constructor of the class and take a look at the example file attached to this class.

  Files folder image Files (3)  
File Role Description
Files folder imagecache (1 file)
Accessible without login Plain text file index.php Example Sample usage
Accessible without login Plain text file readme.txt Doc. Readme file

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