if (0 != $expire && time() > filemtime($filename) + $expire) {
return $default;
}
$this->expire = $expire;
$content = substr($content, 32);
if ($this->options['data_compress'] && function_exists('gzcompress')) {
//启用数据压缩
$content = gzuncompress($content);
}
$content = unserialize($content);
return $content;
} else {
return $default;
}
}
/**
* 写入缓存
* @access public