September 2017
Intermediate to advanced
244 pages
6h 44m
English
Content preview from Building RESTful Web Services with PHP 7
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Stateless
Client server communication is stateless. Each request coming from the client will have all the information required to serve a request. This means there is no state in this communication other than what is in the request. The response which the client will get will be based on the request without looking at any state other than what is in request.
If the session needs to be maintained, the session will be stored based on a token or identifier which is coming in the request. So if we look at an example of a web request, then the flow of HTTP is no more than a request sent by the client to the server and a response, sent back to the client from the server, as shown in the following diagram:
If a session needs to be maintained, the ...
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