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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! Syntax. header ( header, replace, http_response_code ) Parameter Values. Technical Details. More Examples. Example.
header () is used to send a raw HTTP header. See the » HTTP/1.1 specification for more information on HTTP headers. Remember that header () must be called before any actual output is sent, either by normal HTML tags, blank lines in a file, or from PHP.
Jan 6, 2023 · 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 with request (especially HTTP Request) made by the server as header information.
The header () function is a PHP built-in function that allows you to set HTTP headers in your PHP scripts. How to Use the header () Function. Using the header () function is straightforward. Here is the syntax of the function: header ( string, replace, code); The function takes three parameters: string: The string containing the header to be sent.
PHP Headers. When you open a Web page in your browser, apart from the web page, you're also bringing back something called an HTTP HEADER. It is some additional information, such as a type of programme making the request, date requested, should it be displayed as an HTML document, how long the document is, and a lot more besides.
Jun 17, 2021 · The header in PHP is a PHP built-in function for sending a raw HTTP header. The HTTP functions are those that manipulate information sent by the webserver to the client or browser before it sends any further output.
Headers provide important metadata about the HTTP request or response, such as the type of content, the status of the response, cookies, and more. Each HTTP header consists of a name and a value, separated by a colon. In PHP, you can use the header() function to send raw HTTP headers.
The basic syntax of the header () function is as follows: php. header(string $header, bool $replace = true, int $http_response_code = 0); $header: The header to be sent, in the format “HeaderName: HeaderValue”. $replace: A boolean value that determines whether to replace a previous similar header.
Apr 14, 2023 · In this tutorial, we will explore the usage of the `header()` function in PHP, focusing on redirects and HTTP headers manipulation. We will also provide practical examples to help you understand and implement the concepts discussed in this tutorial.
PHP: header - Manual is a webpage that explains how to use the header() function in PHP to send raw HTTP headers to the client. It also provides examples of setting different types of headers, such as redirection, content type, and status code. This webpage is a useful reference for PHP developers who want to control the output of their scripts.
