What are the potential pitfalls of not considering the user's previous location when redirecting in PHP?

Not considering the user's previous location when redirecting in PHP can lead to a poor user experience, as it may disrupt their browsing flow or cause confusion. To solve this issue, you can store the user's previous location in a session variable before redirecting them, and then redirect them back to that location if needed. 

session_start();

if(isset($_SESSION['previous_location'])) {
    header('Location: ' . $_SESSION['previous_location']);
    exit();
}

// Store the current location in the session variable
$_SESSION['previous_location'] = $_SERVER['REQUEST_URI'];

Keywords

HTTP headers session variables cookies geolocation URL redirection

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