php header() 常用content-type

1.  //定义编码  
2.  header( 'Content-Type:text/html;charset=utf-8 ');  

4.  //Atom  
5.  header('Content-type: application/atom+xml');  

7.  //CSS  
8.  header('Content-type: text/css');  

10.  //Javascript  
11.  header('Content-type: text/javascript');  

13.  //JPEG Image  
14.  header('Content-type: image/jpeg');  

16.  //JSON  
17.  header('Content-type: application/json');  

19.  //PDF  
20.  header('Content-type: application/pdf');  

22.  //RSS  
23.  header('Content-Type: application/rss+xml; charset=ISO-8859-1');  

25.  //Text (Plain)  
26.  header('Content-type: text/plain');  

28.  //XML  
29.  header('Content-type: text/xml');  

31.  // ok  
32.  header('HTTP/1.1 200 OK');  

34.  //设置一个404头:  
35.  header('HTTP/1.1 404 Not Found');  

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

40.  //转到一个新地址  
41.  header('Location: http://www.example.org/');  

43.  //文件延迟转向:  
44.  header('Refresh: 10; url=http://www.example.org/');  
45.  print 'You will be redirected in 10 seconds';  

47.  //当然，也可以使用html语法实现  
48.  // <meta http-equiv="refresh" content="10;http://www.example.org/ />  

50.  // override X-Powered-By: PHP:  
51.  header('X-Powered-By: PHP/4.4.0');  
52.  header('X-Powered-By: Brain/0.6b');  

54.  //文档语言  
55.  header('Content-language: en');  

57.  //告诉浏览器最后一次修改时间  
58.  $time = time() - 60; // or filemtime($fn), etc  
59.  header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT');  

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

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

67.  //设置为一个下载类型  
68.  header('Content-Type: application/octet-stream');  
69.  header('Content-Disposition: attachment; filename="example.zip"');  
70.  header('Content-Transfer-Encoding: binary');  
71.  // load the file to send:  
72.  readfile('example.zip');  

74.  // 对当前文档禁用缓存  
75.  header('Cache-Control: no-cache, no-store, max-age=0, must-revalidate');  
76.  header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past  
77.  header('Pragma: no-cache');  

79.  //设置内容类型:  
80.  header('Content-Type: text/html; charset=iso-8859-1');  
81.  header('Content-Type: text/html; charset=utf-8');  
82.  header('Content-Type: text/plain'); //纯文本格式  
83.  header('Content-Type: image/jpeg'); //JPG***  
84.  header('Content-Type: application/zip'); // ZIP文件  
85.  header('Content-Type: application/pdf'); // PDF文件  
86.  header('Content-Type: audio/mpeg'); // 音频文件  
87.  header('Content-Type: application/x-shockw**e-flash'); //Flash动画  

89.  //显示登陆对话框  
90.  header('HTTP/1.1 401 Unauthorized');  
91.  header('WWW-Authenticate: Basic realm="Top Secret"');  
92.  print 'Text that will be displayed if the user hits cancel or ';  
93.  print 'enters wrong login data';

function msg($code, $msg = 'success', $data = [])
{
    $code = (int) $code;
    $msg = (string) $msg;
    $data = (object) $data;

    header("Access-Control-Expose-Headers:xzd-code");
    header("Access-Control-Expose-Headers:xzd-msg");
    header('xzd-code:' . $code);
    header('xzd-msg:' . $msg);
    // return json_encode(['code' => $code, 'msg' => $msg, 'data' => $data], JSON_UNESCAPED_UNICODE);
    return json(['code' => $code, 'msg' => Lang::get($msg), 'data' => $data]);
}