public function addMyFriends(Collection $users)
    {
        foreach ($users as $user) {
            $this->addMyFriend($user);
        }

        return $this;
    }
public function addMyFriends(Collection $users)
    {
        foreach ($users as $user) {
            $this->addMyFriend($user);
        }

        return $this;
    }
public function addMyFriends ( Collection $ users ) { foreach ( $ users as $ user ) { $ this -> addMyFriend ( $ user ) ; } return $ this ; }
Add myFriends - mandatory with ManyToMany

@param Collection
@return User
Add myFriends - mandatory with ManyToMany