文件缓存类
<?php/** * 文件缓存类 * * @author 废墟 * @version v1.01 2009-08-18 * @link http://anerg.cn/ */class cache { private $cache_time; private $cache_dir; public function __construct($cache_dir = './cache/', $cache_time = 3600) { $this->cache_time = $cache_time; $this->cache_dir = $cache_dir; } public function set_cache_dir($cache_dir) { $this->cache_dir = $cache_dir; } public function set_cache_time($cache_time) { $this->cache_time = $cache_time; } public function get_cache($cache_file) { $_CACHE = array(); $filename = $this->cache_dir.'/'.$cache_file.".cache.php"; if(!file_exists($filename) || time() - filemtime($filename) > $this->cache_time) { return false; } else { return unserialize(file_get_contents($filename)); } } public function set_cache($cache_file,$data) { $filename = $this->cache_dir.'/'.$cache_file.".cache.php"; if( $this->mkpath($this->cache_dir) ) { $out = serialize($data); file_put_contents($filename, $out); } } public function del_cache($cache_file) { return unlink($this->cache_dir.'/'.$cache_file.".cache.php"); } public function mkpath($dir) { return is_dir($dir) or ($this->mkpath(dirname($dir)) and (mkdir($dir, 0777) and chmod($dir,0777))); }}////$cache = new cache();//$cache->set_cache_dir('./cache/ss/ff/mm/');//$cache->set_cache_time(10);//$cache_file = '321ewqe3412132';//$data = array("1ee"=>"teseweq222ewt");//$cache->set_cache($cache_file, $data);//print_r($cache->get_cache($cache_file));?> ?