The cookie is valid for 0, and if the original browser cookie is still present after an unexpected situation (such as a power outage, the end of the process), then normally the browser cookie is cleared.

Please look at my needs, ask for a train of thought ...

Reply to discussion (solution)

The cookie is valid for 0, and if the original browser cookie is still present after an unexpected condition (such as a power outage, the end of the process)
This hypothesis does not exist!

Cookie variables that have not been invalidated are written to the buffer only if the cookie is valid for more than the current time and the current site is left

The cookie is valid for 0, and if the original browser cookie is still present after an unexpected condition (such as a power outage, the end of the process)
This hypothesis does not exist!

Cookie variables that have not been invalidated are written to the buffer only if the cookie is valid for more than the current time and the current site is left

So is there a way to do that? To set a cookie effect, can not be implemented to close the browser on the clear cookie, unexpected circumstances do not clear?

Valid for 0 will not be saved
There is no unexpected situation

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