Specification of the HTTP status code 306

The 306 Switch Proxy status code was defined in a previous version of this specification, is no longer used, and the code is reserved.

Source / Quote by: The 306 Switch Proxy HTTP Status Code is specified by section 6.4.6 of RFC 7231.

HTTP-Protocol

work in progress

How to throw a 306 statuscode with PHP?

To throw the HTTP status code 306 on a web page, the PHP function http_response_code can be used. The syntax is as follows: http_response_code(306) (PHP 5 >= 5.4.0, PHP 7, PHP 8)

Test the 306 HTTP status code

http-statuscode.com (Test Status code 306)

httpstat.us (Test Status code 306)

In order to be able to display the HTTP status code (in this case 306 Switch Proxy) and other information on the client side, the development console must be opened with F12. Afterwards you have to navigate to the tab "Network". Now you can open the page, in the network tab you should see the web page (example index.php). This must be selected and then the Herder section must be selected. Here the user will see the following result:

Overview
URL: https://http-statuscode.com/errorCodeExample.php?code=306
Status: 306 Switch Proxy
Those: Network
IP address: XX.XX.XX.XX

Browser compatibility of the 306 status code

Chrome	no data
Edge	no data
Firefox	no data
Opera	no data
Safari	no data
Chrome Android	no data
Firefox for Android	no data
Opera Android	no data
Safari on iOS	no data
Internet	no data
WebView Android	no data