How can the issue of PHP variables not being recognized in header(Location) functions be resolved?

Issue: PHP variables are not recognized in the header(Location) function because header(Location) expects a string literal as the argument, not a variable. Solution: Concatenate the variable value with the string in the header(Location) function to pass the variable value as part of the URL. Example code snippet: 

<?php
$redirect_url = "https://www.example.com";
header("Location: " . $redirect_url);
exit();
?>

Keywords

PHP variables header Location function

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