In C++, each class has a .h file and a .cpp file, is that possible in PHP?
The reason i want this for, is that when i give my class file to another person to use it I dont want him to view my source code,
I just want him to use the class without viewing the source.
No, PHP doesn't have an equivalent of header files. You may want something like http://www.ioncube.com or http://www.zend.com/en/products/guard/.
Really ask yourself why you're doing this before going down this route though.