Any body can explain me how session works in PHP. for eg. 3 users logged into gmail. how the server identifies these 3 uers. what are the internel process behind that.
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Any body can explain me how session works in PHP. for eg. 3 users logged into gmail. how the server identifies these 3 uers. what are the internel process behind that.
Sessions are made up of two components, a client-side session ID and server-side session data. Clients can send a session ID to the server as a URL param, cookie, or even HTTP headers.
The server then uses this session ID to find the appropriate session data to return to the client.
You can tweak session behavior via the various
session_functions.