HTTP headers

In PHP, you can effectively manage the HTTP headers of a response using the header() function. HTTP headers play a crucial role in communication between the server and the browser, allowing you to transmit useful information back to the browser. For example, to generate a 500 Internal Server Error page, you can use the following PHP code: <?php header('HTTP/1.1 500 Internal Server Error'); ?> By inspecting the page with the Browser Developer Tools open, you will see the updated status:...

In this article, you will learn how to effectively work with HTTP headers using Express. HTTP headers play a crucial role in web communication as they contain important information about the request and response. Accessing HTTP Header Values from a Request To access all the HTTP headers of a request, you can utilize the Request.headers property. Here’s an example: app.get('/', (req, res) => { console.log(req.headers); }); If you only need to access a specific header’s value, you can use the Request....