How can PHP developers ensure that URL redirection functions correctly?

To ensure that URL redirection functions correctly in PHP, developers should use the header() function to send a raw HTTP header for the redirection. This function should be called before any output is sent to the browser to avoid any header conflicts. Additionally, developers should use the correct HTTP status codes (e.g., 301 for permanent redirection, 302 for temporary redirection) to indicate the type of redirection being performed. 

<?php
// Redirect to a new URL using a 301 status code
header("Location: https://www.example.com/new-page", true, 301);
exit;
?>

Keywords

PHP URL redirection header function HTTP status codes server-side redirection

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