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php file page cache class

caching library

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php file page cache class Cache classification database cache, file cache and memory cache in php. The following is a detailed introduction to the PHP file cache class implementation code for friends. Friends who need to know can refer to it.

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JSON file cache and client refresh policy in PHP

20 Aug 2025

This article discusses the caching problem and solutions of JSON files in PHP applications on client browsers. When local JSON data is updated, the client browser may not be able to obtain the latest data due to the cache mechanism, resulting in the user needing to manually clear the cache. The article details how to use PHP's filemtime function to generate dynamic versioned URLs to achieve efficient cache failure (Cache Busting), ensure that the client can always obtain the latest version of JSON data, avoid common configuration misunderstandings, and provide practical code examples and precautions.

Why is http.FileServer Serving Stale Content When Using Virtual Box Shared Folders?

02 Nov 2024

Caching Woes with http.FileServerThe http.FileServer in the Go standard library has been known to exhibit caching issues, leading to stale content...

PHP cache file condition cleaning strategy based on file name suffix

29 Aug 2025

This article discusses how to efficiently manage cached files in PHP and implement different deletion strategies based on file name suffix (especially -100.json). By using PHP 8's str_ends_with() function, combined with file creation time, the conditional deletion of specific file types at different time intervals is achieved, ensuring effective maintenance and resource optimization of cache directories.

JSON file cache failure strategy in PHP application: use filemtime to achieve cache breakdown

20 Aug 2025

When a PHP application uses local JSON files as the data source, the client browser may cache these files, causing the user to still see the old content after the data is updated. This article will explore in depth why it is invalid to directly add version query strings in the file_get_contents path, and explain in detail how to use the filemtime function to add version numbers to the JSON file URL requested by the client, thereby effectively realizing browser cache breakdown and ensuring that users always get the latest data.