PHP header头部定义详解

header('HTTP/1.1 200 OK');// ok 正常访问

header('HTTP/1.1 404 Not Found');//通知浏览器 页面不存在

header('HTTP/1.1 301 Moved Permanently');//设置地址被永久的重定向 301

header('Location: http://www.ithhc.cn/'); //跳转到一个新的地址

header('Refresh: 10; url=http://www.ithhc.cn/'); //延迟转向 也就是隔几秒跳转

header('X-Powered-By: PHP/6.0.0');//修改 X-Powered-By信息

header('Content-language: en');//文档语言

header('Content-Length: 1234');//设置内容长度

header('Last-Modified: '.gmdate('D, d M Y H:i:s',$time).' GMT');//告诉浏览器最后一次修改时间

header('HTTP/1.1 304 Not Modified');//告诉浏览器文档内容没有发生改变

###内容类型###

header('Content-Type: text/html; charset=utf-8');//网页编码

header('Content-Type: text/plain');//纯文本格式

header('Content-Type: image/jpeg');//JPG、JPEG

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: text/css');//css文件

header('Content-type: text/javascript');//js文件

header('Content-type: application/json');//json

header('Content-type: application/pdf');//pdf

header('Content-type: text/xml');//xml

header('Content-Type: application/x-shockw**e-flash');//Flash动画

######

###声明一个下载的文件###

header('Content-Type: application/octet-stream');

header('Content-Disposition: attachment; filename="ITblog.zip"');

header('Content-Transfer-Encoding: binary');

readfile('test.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');

######

###显示一个需要验证的登陆对话框###

header('HTTP/1.1 401 Unauthorized');

header('WWW-Authenticate: Basic realm="Top Secret"');

######

###声明一个需要下载的xls文件###

header('Content-Disposition: attachment; filename=ithhc.xlsx');

header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');

header('Content-Length: '.filesize('./test.xls'));

header('Content-Transfer-Encoding: binary');

header('Cache-Control: must-revalidate');

header('Pragma: public');

readfile('./test.xls');

######

?>

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