/home/joan/000www/repo/spirit/1.0/core/extensions/cache/cache.php

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<?php
include CORE_PATH . 'extensions/cache/cache_interface.php';
include CORE_PATH . 'extensions/cache/drivers/file_cache.php';
class Cache
{
    protected static $_id = null;
    protected static $_group = 'default';
    protected static $_lifetime = null;
    protected static $_active = true;
    public static function get ($id, $group = 'default')
    {
        if (! self::$_active)
            return null;
        self::$_id = $id;
        self::$_group = $group;
        return call_user_func(array(self::get_driver() , 'get'), $id, $group);
    }
    public static function save ($value, $lifetime = null, $id = false, $group = 'default')
    {
        if (! self::$_active)
            return false;
        if (! $id) {
            $id = self::$_id;
            $group = self::$_group;
        }
        if ($lifetime)
            $lifetime = strtotime($lifetime);
        return call_user_func(array(self::get_driver() , 'save'), $id, $group, $value, $lifetime);
    }
    public static function start ($lifetime, $id, $group = 'default')
    {
        if ($data = self::get($id, $group))
            return $data;
        self::$_lifetime = $lifetime;
        ob_start();
    }
    public static function end ($save = true)
    {
        if (! $save) {
            ob_end_flush();
            return false;
        }
        $value = ob_get_contents();
        ob_end_flush();
        return self::save($value, self::$_lifetime, self::$_id, self::$_group);
    }
    public static function clean ($group = false)
    {
        return call_user_func(array(self::get_driver() , 'clean'), $group);
    }
    public static function remove ($id, $group = 'default')
    {
        return call_user_func(array(self::get_driver() , 'remove'), $id, $group);
    }
    public static function get_driver ()
    {
        return 'FileCache';
    }
    public static function active ($active)
    {
        self::$_active = $active;
    }
}

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