<?php
// load content-utm.php if the URI contains UTM_keyword
    if (strpos($_SERVER['REQUEST_URI'], "UTM_keyword")){
// load content-utm.php
        get_template_part( 'content', 'utm' );
    }
?>

<?php
    $uriSegments = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY);
// strip out UTM_keyword=
    $uriSegments2 = substr($uriSegments, 12);
// strip out everything after &UTM_source= including &UTM_source=
    $uriSegments3 = substr($uriSegments2, 0, strpos($uriSegments2, "&UTM_source="));
    $_SESSION['uriName'] = $uriSegments3;
// create a cookie
    if (strpos($_SERVER['REQUEST_URI'], $uriSegments3)){
        $cookie_name = $uriSegments3;
        $cookie_value = "UTM";
// make it a session cookie that expires after the browser is closed
        setcookie($cookie_name, $cookie_value, 0, "/");
    }
// I know how to remove a cookie but I'm not sure how I would remove THIS type of cookie
?>

<?php
// if the cookie is set
    if (isset($_COOKIE[$uriSegments3])){
// load content-deluxe-cookie-tracking.php
        get_template_part( 'partners/content', 'deluxe-cookie-tracking' );
    }
?>

<input type="hidden" id="1234567890" name="1234567890" value="<?php echo $uriSegments3 = $_SESSION['uriName']; ?>">