[support] API invoke during page refresh

[Kamal Palei]

Hi List
I want to know is there any API in D7 is invoked when a page loads for
first time or during page refresh/reload.
During anyother time that particular api should not be invoked.

I have a custom form, and I keep certain variables in $_SESSION. During
first time page loads I want to reset the session variables.
Also during page refresh (for windows IE F5) also I want to reset session
variables.



Best Regards
Kamal
Net Cloud Systems
Bangalore
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