/**
* 以延迟过期的方式设置过期时间戳
* @param string $key 键名
* @param int $time 过期时间戳
* @param int $delayTime 延迟过期时间，如果未设置，则使用配置中的设置
* @return boolean 是否成功
*/
public function expireAtDE($key, $time, $delayTime = null)
{
$difftime = $time - time();
if ($this->driver->checkDriver()) {
if ($difftime > 0) {
return $this->driver->expireDE($key, $difftime, $delayTime);
} else {
return $this->driver->del($key);
}
}
if ($this->driver->isFallback() && $this->type !== self::$config['fallback']) {
return $this->driver->backup()->expireAtDE($key, $time, $delayTime);
}
return false;
}
