This means that PHP has a "free" unix timestamp that tells information about the request start time, which does not require a syscall.
. Since a lot of script end up having to fetch request start time, this can be used to save on a timing call
(This information only has second precision, no microseconds).
The question is what would be the best way to provide this information within the script. The two alternatives are: adding a new function to get this info or storing this data inside $_SERVER.
What do you think?
Ilia
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