Redirect gla

if (isset($_GET['add-to-cart'])) {
    $addToCartValue = $_GET['add-to-cart'];
    // Check if the value starts with 'gla_'
    if (strpos($addToCartValue, 'gla_') === 0) {
        // Extract the numeric part after 'gla_'
        $numericId = substr($addToCartValue, 4);
        // Validate that the remaining string is numeric
        if (ctype_digit($numericId)) {
            // Redirect to the same page with the corrected query string
            $newUrl = '/gallery/?add-to-cart=' . $numericId;
            header('Location: ' . $newUrl);
            exit; // Stop further execution of the script
        }
    }
}