How can PHP be used to redirect to another webpage after sending POST data?

To redirect to another webpage after sending POST data in PHP, you can use the header() function to send a raw HTTP header to the browser. This header should include the "Location" parameter with the URL of the page you want to redirect to. Make sure to call this function before any output is sent to the browser to avoid any errors.

<?php
// Process POST data here

// Redirect to another webpage
header("Location: https://www.example.com/anotherpage.php");
exit;
?>