problem creating with object in php

[mesdar]

I need some technical help.I have a program which is only class file and this file situated at my www.classexample.com server and my file name is myfirstclass.php.I making my other php file which will use create an object of this class file and its file name is mysecondtest.php but this file is on my other server www.objecttest.com.How will i create and object of same class ? When i am including file likeinclude 'http://www.classexample.com/myfirstclass.php'and creating a object i am getting an error (class is not defined).How will i able to make an object which are situated on other server.Any idea will be appreciate you.Thank you.