In law there is an aspect of requirement and an aspect of intent.
You are required by law to display the copyright notice within your work and the intent of the notice is to inform the reader of the author and copyright ownership which you are abusing by locating the notice at the end of the file.
You and your little friends may not like being told what you have an obligation to do, and if this is the case any court will see your ego overpowering your better judgment.
Please move the copyright notice for Modular Extensions - PHP5 to the beginning of the files as per the originals and in line with the intent of the copyright notice.
Basically grow up, do what is right, and just get on with it.
