Server(Requested Server) will check for its subscription on my server
So you're saying the service is not provided by code on your server.
You seem to be missing the point. While it's trivial to write a script that does what you specified, there's nothing preventing the client from changing the script you give them so it doesn't act as specified. Simply inserting "0 &&" will stop the script from doing what you want it to do.
The problem you are actually facing is "How do I prevent the client from easily disabling the check once he has the script?" And the answer is "It's impossible." Maybe you would settle for making it hard for the client to disable the check once he has the script. At which point, you have to ask yourself "How hard, and at what cost to the user?" Costs include usability hindrances.
In reply to Re^5: License key for script
by ikegami
in thread License key for script
by shanu_040
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