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Bug #1381 mktime overflows (data type -long int- is too small)
Submitted: 1999-05-06 07:59 UTC Modified: 1999-05-06 08:04 UTC
From: diab at diab dot rulez dot org Assigned:
Status: Closed Package: Other
PHP Version: 3.0.7 OS: linux debian potato+2.2.7
Private report: No CVE-ID: None
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From: diab at diab dot rulez dot org
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 [1999-05-06 07:59 UTC] diab at diab dot rulez dot org 
int mktime(int hour, int minute, int second, int month, int day, int year);
it returns long integer, but it "wraps" between 2038-2039

<?php echo mktime(0,0,0,1,1,"2038") ?>
result: 2145913200

<?php echo mktime(0,0,0,1,1,"2039") ?>
result: -1

diab

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 [1999-05-06 08:04 UTC] andrey at cvs dot php dot net 
This is a Unix limitation because of the way the time is represented.
2038 is the year when the number of seconds since 1970 will overflow.
 
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