This article introduces the 7 usages of PHP header(), which has certain reference value. Now I share it with you. Friends in need can refer to it
7 ways to use PHP header
1. Jump to page
header('Location:'.$url); //Location和":"之间无空格。
2. Declare content-type
header('content-type:text/html;charset=utf-8');
3. Return response status code
header('HTTP/1.1 404 Not Found');
4. Execute jump after a certain time
header('Refresh: 10; url=http://www.baidu.com/'); //10s后跳转。
5. Control browser cache
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");6. .Perform http verification
header('HTTP/1.1 401 Unauthorized'); header('WWW-Authenticate: Basic realm="Top Secret"');
7. Execute Download operation
header('Content-Type: application/octet-stream'); //设置内容类型 header('Content-Disposition: attachment; filename="example.zip"'); //设置MIME用户作为附件 header('Content-Transfer-Encoding: binary'); //设置传输方式 header('Content-Length: '.filesize('example.zip')); //设置内容长度
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