关于PHP缓存库phpFastCache的使用

phpfastcache是一种高性能，分布式对象缓存系统，通用性，可用于加快动态Web应用程序，减轻数据库负载。
phpfastcache把数据库负载到几乎为零，得到更快的页面加载时间的用户，更好的资源利用率。它是简单而强大的。

减少数据库查询

php // In your config file include("phpfastcache/phpfastcache.php");
    phpFastCache::setup("storage","auto"); // phpFastCache support "apc", "memcache", "memcached", "wincache" ,"files", "sqlite" and "xcache"
    // You don't need to change your code when you change your caching system. Or simple keep it auto $cache = phpFastCache(); // In your Class, Functions, PHP Pages
    // try to get from Cache first. product_page = YOUR Identity Keyword $products = $cache->get("product_page"); if($products == null) { $products = YOUR DB QUERIES || GET_PRODUCTS_FUNCTION; // set products in to cache in 600 seconds = 10 minutes $cache->set("product_page", $products,600);
    } // Output Your Contents $products HERE

提高cURL和API调用性能

php include("phpfastcache/phpfastcache.php"); $cache = phpFastCache("memcached"); // try to get from Cache first. $results = $cache->get("identity_keyword") if($results == null) { $results = cURL->get("http://www.youtube.com/api/json/url/keyword/page"); // Write to Cache Save API Calls next time $cache->set("identity_keyword", $results, 3600*24);
    } foreach($results as $video) { // Output Your Contents HERE }

全页缓存

php // use Files Cache for Whole Page / Widget

    // keyword = Webpage_URL $keyword_webpage = md5($_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'].$_SERVER['QUERY_STRING']); $html = __c("files")->get($keyword_webpage); if($html == null) { ob_start(); /* ALL OF YOUR CODE GO HERE
            RENDER YOUR PAGE, DB QUERY, WHATEVER */ // GET HTML WEBPAGE $html = ob_get_contents(); // Save to Cache 30 minutes __c("files")->set($keyword_webpage,$html, 1800);
    } echo $html;

挂件缓存

php // use Files Cache for Whole Page / Widget $cache = phpFastCache("files"); $html = $cache->widget_1; if($html == null) { $html = Render Your Page || Widget || "Hello World"; // Save to Cache 30 minutes $cache->widget_1 = array($html, 1800);
    } echo or return your $html;

同时使用多种缓存

php // in your config files include("phpfastcache/phpfastcache.php"); // auto | memcache | files ...etc. Will be default for $cache = __c(); phpFastCache::$storage = "auto"; $cache1 = phpFastCache(); $cache2 = __c("memcache"); $server = array(array("127.0.0.1",11211,100), array("128.5.1.3",11215,80)); $cache2->option("server", $server); $cache3 = new phpFastCache("apc"); // How to Write? $cache1->set("keyword1", "string|number|array|object", 300); $cache2->keyword2 = array("something here", 600);
    __c()->keyword3 = array("array|object", 3600*24); // How to Read? $data = $cache1->get("keyword1"); $data = $cache2->keyword2; $data = __c()->keyword3; $data = __c()->get("keyword4"); // Free to Travel between any caching methods $cache1 = phpFastCache("files"); $cache1->set("keyword1", $value, $time); $cache1->memcache->set("keyword1", $value, $time); $cache1->apc->set("whatever", $value, 300); $cache2 = __c("apc"); $cache2->keyword1 = array("so cool", 300); $cache2->files->keyword1 = array("Oh yeah!", 600); $data = __c("memcache")->get("keyword1"); $data = __c("files")->get("keyword2"); $data = __c()->keyword3; // Multiple ? No Problem $list = $cache1->getMulti(array("key1","key2","key3")); $cache2->setMulti(array("key1","value1", 300), array("key2","value2", 600), array("key3","value3", 1800), ); $list = $cache1->apc->getMulti(array("key1","key2","key3"));
    __c()->memcache->getMulti(array("a","b","c")); // want more? Check out document in source code

以上demo来自官网示例。

官网地址：http://www.phpfastcache.com/

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