PHP strtotime 1 month adding an extra month

Question

I have a simple variable that adds one month to today    endOfCycle   date  Y-m   strtotime   1 month       Today is January 2013  so I would expect to get back 2013-02 but I m getting 2013-03 instead   I can t figure out why it s jumping to March

User · Accepted Answer

It s jumping to March because today is 29th Jan  and adding a month gives 29th Feb  which doesn t exist  so it s moving to the next valid date   This will happen on the 31st of a lot of months as well  but is obviously more noticable in the case of January to Feburary because Feb is shorter   If you re not interested in the day of month and just want it to give the next month  you should specify the input date as the first of the current month  This will always give you the correct answer if you add a month   For the same reason  if you want to always get the last day of the next month  you should start by calculating the first of the month after the one you want  and subtracting a day

User · Answer

today is 29th of January   1 month means 29th of Fabruary  but because February consists of 28 days this year  it overlaps to the next day which is March 1st  instead try  strtotime  next month

User · Answer

This should be   endOfCycle date  Y-m-d   strtotime   30 days       strtotime  expects to be given a string containing a US English date format and will try to parse that format into a Unix timestamp  the number of seconds since January 1 1970 00 00 00 UTC   relative to the timestamp given in now  or the current time if now is not supplied   while  date  Returns a string formatted according to the given format string using the given integer timestamp or the current time if no timestamp is given   See the manual pages for    http   www php net manual en function strtotime php http   www php net manual en function date php

User · Answer

try this    endOfCycle   date  Y-m   time   2592000     this adds 30 days  not exactly a month tough

User · Answer

Maybe because its 2013-01-29 so  1 month would be 2013-02-29 which doesn t exist so it would be 2013-03-01  You could try  date  m d y h i a   strtotime  next month  strtotime date  m 01 y          from the comments on http   php net manual en function strtotime php

User · Answer

endOfCycle   date  Y-m   mktime 0  0  0  date  m   time    1   15  date  m   time

User · Answer

You can use this code to get the next month    ts   mktime 0  0  0  date  n     1  1   echo date  Y-m-d H i s    ts   echo date  n    ts     Assuming today is 2013-01-31 01 23 45 the above will return   2013-02-01 00 00 00 2

[php] PHP strtotime +1 month adding an extra month

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