note 85746 deleted from function.mktime by danbrown

Note Submitter: domi at lab-9 dot com ---- [quote thomas_corthals at hotmail dot com] It seems mktime() doesn't return negative timestamps on Linux systems with a version of glibc <= 2.3.3. [/quote] Negative timestamps are not supported in any known Windows environment. Therefore only valuations for year in range of [1970..2038] are allowed. Thus you cannot rely that php knows how to handle negative timestamps. If you have valuations with year out of [1970..2038] you may got to think of a alternative implementation using date() and parse variables for yourself OR (which would be much faster) a self-designed class that safely calculates dates out of range.