The optional replace parameter indicates whether the header should replace a previous similar header, or add a second header of the same type. By default it will replace, but if you pass in false as the …

Jul 11, 2025 · The PHP header () function send a HTTP header to a client or browser in raw form. Before HTML, XML, JSON or other output has been sent to a browser or client, a raw data is sent …

Jul 26, 1997 · The header () function sends a raw HTTP header to a client. It is important to notice that the header () function must be called before any actual output is sent!

Apr 4, 2025 · PHP header function tutorial shows how to manipulate HTTP headers in PHP. Learn header with practical examples for redirects, caching, and content type setting.

Jul 29, 2013 · When I create the non-English pages (for example, Russian) I have to use header () to set page's charset (I use UTF-8): header('Content-Type: text/html; charset=utf-8');

Nov 4, 2024 · In this tutorial, we will take you through using the PHP header function to send raw HTTP headers. You can use the header function in PHP to set and send HTTP headers to the end-user.

Dec 16, 2025 · Use this comprehensive guide to set up a PHP redirect using the PHP header function or by calling a JavaScript function via PHP.

What is the header () Function? The header () function is a PHP built-in function that allows you to set HTTP headers in your PHP scripts. Using the header () function is straightforward. Here is the syntax …

Sep 11, 2025 · The header () function in PHP sends a raw HTTP header to a client or browser. Before HTML, XML, JSON, or other output is given to a browser or client, the server sends raw data as …

Mar 31, 2023 · By default its value is TRUE and by this, it replaces the header unless given FALSE which allows giving multiple headers but the condition is that it should have the same type.