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Bug #39139 Last month bug
Submitted: 2006-10-12 14:30 UTC Modified: 2007-04-13 14:12 UTC
Votes:3
Avg. Score:5.0 ± 0.0
Reproduced:3 of 3 (100.0%)
Same Version:1 (33.3%)
Same OS:0 (0.0%)
From: faty at e-technics dot com Assigned: derick (profile)
Status: Not a bug Package: Date/time related
PHP Version: 5.1.6 OS: OpenSUSE 10.1
Private report: No CVE-ID: None
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 [2006-10-12 14:30 UTC] faty at e-technics dot com 
Description:
------------
Strtotime should subtract exactly one month if the parameter is "last month" or "-1 month". Instead it subtracts 30 days.

Reproduce code:
---------------
// 1149022800 is the timestamp for 31 may 2006
echo date('d/m/Y',strtotime('last month',1149022800));


Expected result:
----------------
30/04/2006

Actual result:
--------------
1/05/2006

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 [2007-04-13 14:12 UTC] derick@php.net 
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

No, it goes back to April 31st, which does not exist. (April only has 30 days). The first day after April 30th is May 1st.
 
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