Redirect visitors only from Yelp.com

Question

I would like visitor from my yelp listing to land on a different page of my website.

For example: On yelp.com my website URL is domain.com. But when the visitor clicks on that URL, they should be redirected to domain.com/newpage

I am trying to do this only for the visitors who come to my website through yelp. How is this possible?

Answer 1

1st way is change the url as suggested in comment.

2nd is :

$url = $_SERVER['HTTP_REFERER'];
if (strpos($url,'yelp') !== false) {
    header("Location : YOUR_PAGE_URL");
}