What is the significance of the PHP function "header()" and how is it commonly used in web development?

The PHP function "header()" is used to send raw HTTP headers to the browser, allowing developers to control aspects of the HTTP response such as redirecting users to a different page, setting cookies, or specifying the content type. It is commonly used in web development to manage the flow of information between the server and the client, ensuring that the correct headers are sent to the browser for proper functionality. 

<?php
// Redirecting the user to a different page after 5 seconds
header("Refresh: 5; url=anotherpage.php");
?>

Keywords

PHP header() web development HTTP headers redirection

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