php header函数的常用http头设置
这篇文章主要介绍了php header函数的常用http头设置,本文直接给出代码实例,代码中包含详细注释,需要的朋友可以参考下。
- //ok
- header(‘HTTP/1.1 200 OK');
- //设置一个404头:
- header(‘HTTP/1.1 404 Not Found');
- //设置地址被永久的重定向
- header(‘HTTP/1.1 301 Moved Permanently');
- //转到一个新地址
- header(‘Location: http://www.example.org/‘);
- //文件延迟转向:
- header(‘Refresh: 10; url=http://www.example.org/‘);
- print ‘You will be redirected in 10 seconds';
- //当然,也可以使用html语法实现
- // <meta http-equiv=”refresh” content=”10;http://www.example.org/ />
- // override X-Powered-By: PHP:
- header(‘X-Powered-By: PHP/4.4.0′);
- header(‘X-Powered-By: Brain/0.6b');
- //文档语言
- header(‘Content-language: en');
- //告诉浏览器最后一次修改时间
- $time = time() – 60; // or filemtime($fn), etc
- header(‘Last-Modified: ‘.gmdate(‘D, d M Y H:i:s', $time).' GMT');
- //告诉浏览器文档内容没有发生改变
- header(‘HTTP/1.1 304 Not Modified');
- //设置内容长度
- header(‘Content-Length: 1234′);
- //设置为一个下载类型
- header(‘Content-Type: application/octet-stream');
- header(‘Content-Disposition: attachment; filename=”example.zip”‘);
- header(‘Content-Transfer-Encoding: binary');
- // load the file to send:
- readfile(‘example.zip');
- // 对当前文档禁用缓存
- header(‘Cache-Control: no-cache, no-store, max-age=0, must-revalidate');
- header(‘Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
- header(‘Pragma: no-cache');
- //设置内容类型:
- header(‘Content-Type: text/html; charset=iso-8859-1′);
- header(‘Content-Type: text/html; charset=utf-8′);
- header(‘Content-Type: text/plain'); //纯文本格式
- header(‘Content-Type: image/jpeg'); //JPG***
- header(‘Content-Type: application/zip'); // ZIP文件
- header(‘Content-Type: application/pdf'); // PDF文件
- header(‘Content-Type: audio/mpeg'); // 音频文件
- header(‘Content-Type: application/x-shockw**e-flash'); //Flash动画
- //显示登陆对话框
- header(‘HTTP/1.1 401 Unauthorized');
- header(‘WWW-Authenticate: Basic realm=”Top Secret”‘);
- print ‘Text that will be displayed if the user hits cancel or ‘;
- print ‘enters wrong login data';