Summary of HTTP protocol and common methods used by headers in PHP

This article mainly introduces the HTTP protocol and common methods used by headers in PHP, including various error encoding types and their meanings. For more information, see

This article mainly introduces the HTTP protocol and common methods used by headers in PHP, including various error encoding types and their meanings. For more information, see

This example summarizes the HTTP protocol used by the Header in PHP and common methods. Share it with you for your reference. The specific method is as follows:

The Code is as follows:

<? PHP
Function https ($ num ){
$ Http = array (
100 => "HTTP/1.1 100 Continue ",
101 => "HTTP/1.1 101 Switching Protocols ",
200 => "HTTP/1.1 200 OK ",
201 => "HTTP/1.1 201 Created ",
202 => "HTTP/1.1 202 Accepted ",
203 => "HTTP/1.1 203 Non-Authoritative Information ",
204 => "HTTP/1.1 204 No Content ",
205 => "HTTP/1.1 205 Reset Content ",
206 => "HTTP/1.1 206 Partial Content ",
300 => "HTTP/1.1 300 Multiple Choices ",
301 => "HTTP/1.1 301 Moved Permanently ",
302 => "HTTP/1.1 302 Found ",
303 => "HTTP/1.1 303 See Other ",
304 => "HTTP/1.1 304 Not Modified ",
305 => "HTTP/1.1 305 Use Proxy ",
307 => "HTTP/1.1 307 Temporary Redirect ",
400 => "HTTP/1.1 400 Bad Request ",
401 => "HTTP/1.1 401 Unauthorized ",
402 => "HTTP/1.1 402 Payment Required ",
403 => "HTTP/1.1 403 Forbidden ",
404 => "HTTP/1.1 404 Not Found ",
405 => "HTTP/1.1 405 Method Not Allowed ",
406 => "HTTP/1.1 406 Not Acceptable ",
407 => "HTTP/1.1 407 Proxy Authentication Required ",
408 => "HTTP/1.1 408 Request Time-out ",
409 => "HTTP/1.1 409 Conflict ",
410 => "HTTP/1.1 410 Gone ",
411 => "HTTP/1.1 411 Length Required ",
412 => "HTTP/1.1 412 Precondition Failed ",
413 => "HTTP/1.1 413 Request Entity Too Large ",
414 => "HTTP/1.1 414 Request-URI Too Large ",
415 => "HTTP/1.1 415 Unsupported Media Type ",
416 => "HTTP/1.1 416 Requested range not satisfiable ",
417 => "HTTP/1.1 417 Expectation Failed ",
500 => "HTTP/1.1 500 Internal Server Error ",
501 => "HTTP/1.1 501 Not Implemented ",
502 => "HTTP/1.1 502 Bad Gateway ",
503 => "HTTP/1.1 503 Service Unavailable ",
504 => "HTTP/1.1 504 Gateway Time-out"
);
Header ($ http [$ num]);
};

// 200 normal status
Header ('HTTP/1.1 200 OK ');

// 301 permanent redirection. Remember to add the targeted address Location: $ url later.
Header ('HTTP/1.1 301 Moved Permanently ');

// Redirection, which is actually 302 temporary redirection
Header ('location :');

// The setting page 304 is not modified
Header ('HTTP/1.1 304 Not modified ');

// The logon box is displayed,
Header ('HTTP/1.1 401 unauthorized ');
Header ('www-Authenticate: Basic realm = "Logon Info "');
Echo 'display information! ';

// 403 Access prohibited
Header ('HTTP/1.1 403 Forbidden ');

// Error 404
Header ('HTTP/1.1 404 Not Found ');

// 500 Server Error
Header ('HTTP/1.1 500 Internal Server error ');

// Redirect the specified address after 3 seconds (that is, refresh to the new page and Header ('content-Transfer-Encoding: binary ');
Readfile('example.zip '); // read the file to the client

// Disable page Cache
Header ('cache-Control: no-Cache, no-store, max-age = 0, must-revalidate ');
Header ('expires: Mon, 26 Jul 1997 05:00:00 gmt ');
Header ('pragma: no-cache ');

// Set page header information
Header ('content-Type: text/html; charset = iso-8859-1 ');
Header ('content-Type: text/html; charset = UTF-8 ');
Header ('content-Type: text/plain ');
Header ('content-Type: image/jpeg ');
Header ('content-Type: application/zip ');
Header ('content-Type: application/pdf ');
Header ('content-Type: audio/mpeg ');
Header ('content-Type: application/x-shockwave-flash ');
//... As for the value of Content-Type, you can check the w3c document library, which is rich.
?>

I hope this article will help you with PHP programming.