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Alex Rivera
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Possible Duplicate: When do you use POST and when do you use GET? I read from a book that POST is used to send data to the server that somehow causes a change in the state of the server, such as inserting data in a database. And GET is used for data retrieval that doesn't change anything on the server. I actually don't quite understand the above. Can someone demostrate it with an example? The example would show that if I replace $_POST by $_GET, the code wouldn't work. Am I right to say that we can do without GET but we can't do without POST?
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