Location: PHPKode > projects > Blackwolf CMF > projectBlackWolf/lib/Cache/Controller/File.class.php
<?php
/* Please see the README and LICENSE files. */

/**
 * For caching to the filesystem
 */
class Cache_Controller_File extends Cache_Controller {
    /*
     * Default location for cache
     * @var String
     */
    const CACHE_DIR = "tmp/cache";
    
    /*
     * Default file extension for cache files
     */
    const CACHE_EXT = "cache.php";

    /**
     * @see Cache_Controller
     */
    public function clear($key = NULL) {
        // TODO
        // 
        // Delete cache file where the filename is generated from 
        // $key
        // 
        // If $key is null, delete all cache files
        return false;
    }

    /**
     * @see Cache_Controller
     */
    public function get($name) {
        // TODO
        // 
        // Check if file exists
        // Get contents from file
        // unserialize cache object
        // validate (check age)
        // return cache object's data
        return false;
    }

    /**
     * @see Cache_Controller
     */
    public function has($name) {
        return file_exists($this->encode_filename($name));
    }

    /**
     * @see Cache_Controller
     */
    public function set($name, $object, $max_age = 0) {
        // TODO
        //
        // Store cache object
        return false;
    }

    /**
     * Turn cachable name into file location
     * 
     * @param String $name The name of to build from
     * @return String
     */
    protected static function encode_filename($name) {
        return  LIB_DIR . "/" .
                self::CACHE_DIR . "/" . 
                str_replace("_", "/", $name) . 
                self::CACHE_EXT;
    }

}

?>
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