摘要： // override X-Powered-By: PHP: header('X-Powered-By: PHP/4.4.0'); header('X-Powered-By: Brain/0.6b'); // content language (en = English) header('Content-language: en'); // last modified (good for caching) $time = time() – 60; // or filemtime($fn), etc header('Last-Modifie 阅读全文