lib/TheTwelve/Foursquare/UsersGateway.php
public function unfriend($friendId)
    {

        $uri = $this->buildUserResourceUri('unfriend', $friendId);
        $response = $this->makeAuthenticatedApiRequest($uri);

        return $response->user;

    }
public function unfriend($friendId)
    {

        $uri = $this->buildUserResourceUri('unfriend', $friendId);
        $response = $this->makeAuthenticatedApiRequest($uri);

        return $response->user;

    }
public function unfriend ( $ friendId ) { $ uri = $ this -> buildUserResourceUri ( 'unfriend' , $ friendId ) ; $ response = $ this -> makeAuthenticatedApiRequest ( $ uri ) ; return $ response -> user ; }
Cancels any relationship between the acting user and the specified user
Removes a friend, unfollows a celebrity, or cancels a pending friend
request.
@param string $friendId
@return \stdClass
Cancels any relationship between the acting user and the specified user Removes a friend unfollows a celebrity or cancels a pending friend request .