PHP 使用header函数设置HTTP头的示例解析 表头
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PHP 使用header函数设置HTTP头的示例解析 表头，
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如下所示：
<div class="codetitle"><a style="CURSOR: pointer" data="63047" class="copybut" id="copybut63047" onclick="doCopy('code63047')"> 代码如下:
<div class="codebody" id="code63047">
//定义编码
header( 'Content-Type:text/html;charset=utf-8 ');
//Atom
header('Content-type: application/atom+xml');
//CSS
header('Content-type: text/css');
//Javascript
header('Content-type: text/javascript');
//JPEG Image
header('Content-type: image/jpeg');
//JSON
header('Content-type: application/json');
//PDF
header('Content-type: application/pdf');
header('Content-Type: application/
RSS+xml; charset=ISO-8859-1');
//Text (Plain)
header('Content-type: text/plain');
//XML
header('Content-type: text/xml');
// 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-shockwe-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';
