friendshipsDestroy() public method

Returns the unfollowed user in the requested format when successful. Returns a string describing the failure condition when unsuccessful. Actions taken in this method are asynchronous and changes will be eventually consistent.
public friendshipsDestroy ( string[optional] $userId = null, string[optional] $screenName = null ) : array
$userId string[optional]
$screenName string[optional]
return array
 /**
  * Tests Twitter->friendshipsDestroy
  */
 public function testFriendshipsDestroy()
 {
     $response = $this->twitter->friendshipsCreate(null, 'tijsverkoyen');
     $response = $this->twitter->friendshipsDestroy(null, 'tijsverkoyen');
     $this->isUser($response);
 }