# PD\Cache > PD\Cache is a hybrid caching system for PHP that combines Redis and filesystem caching with automatic fallback support. Provides seamless caching capabilities even when Redis is unavailable. ![tag](https://img.shields.io/badge/tag-PHP%20Library-bb4444) ![size](https://img.shields.io/github/size/pardnchiu/PHP-Cache/src/SQL.php)
![version](https://img.shields.io/packagist/v/pardnchiu/cache) ![download](https://img.shields.io/packagist/dm/pardnchiu/cache) ## Features - Hybrid caching strategy (Redis + Filesystem) - Automatic fallback to filesystem when Redis is unavailable - Built-in content optimization for HTML/Text content - Automatic cache expiration handling - Cache cleanup mechanism - MD5 key generation for cache entries ## Key Capabilities - Get/Set cache with automatic storage selection - Content minification for HTML/Text - Automatic cache expiration - Cache cleanup for expired entries - Fallback mechanism for system resilience ## Dependencies - `pardnchiu/redis` - For Redis caching support (optional) - `/storage/caches` - Write permission on storage directory ## How to Use ### Install ```SHELL composer require pardnchiu/cache ``` ```PHP // Initialize cache with Redis support $redis = new PD\Redis(); $cache = new PD\Cache($redis); // Set cache with 1-hour expiration $cache->set("page-key", $content, 3600); // Get cached content $content = $cache->get("page-key"); // Clean expired cache entries $cache->clean(); // Initialize cache without Redis (filesystem only) $cache = new PD\Cache(); ``` ## License This source code project is licensed under the [MIT](https://github.com/pardnchiu/PHP-Cache/blob/main/LICENSE) license. ## Creator

邱敬幃 Pardn Chiu