php header函数的常用http头设置
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2022-06-22 20:40:28
//ok
header(‘http/1.1 200 ok');
//设置一个404头:
header(‘http/1.1 404 not found');...
//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';