What is the best way to handle redirects in PHP after an action like file upload?

After performing an action like file upload in PHP, it is best to use the header() function to redirect the user to another page to prevent resubmission of the form data if the user refreshes the page. This can be done by sending a Location header with the desired URL as the value. 

// Perform file upload action

// Redirect to another page after file upload
header("Location: new_page.php");
exit();

Keywords

header Location redirect file upload PHP

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