The detailed usage of the PHP header function introduces _php tutorial

What we're going to introduce to you today is about

PHP header function sends a 404 status code to the browser
Header ("http/1.1 404 Not Found");
Or
Header ("http/1.1 404″");

PHP Header Function Permanent redirect
Header ("location:http://weizhifeng.net/");//default is 301 Jump
Temporary redirection
Header ("http/1.1 302 Found");
Header ("location:http://weizhifeng.net/");

PHP Header function Download file
Header ("Content-type:text/plain"); Can replace the MIME type you need
Header (' content-disposition:attachment; filename= ' Weizhifeng.txt ');
ReadFile (' Weizhifeng.txt ');

Other header information can refer to http/1.1 specification
If you already have the output before the PHP header function, use the Ob_start () function.

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