Php computing monthly spacing-php Tutorial

Php calculates the monthly spacing. for example, if this month is in February, it is calculated from the previous month to February to the next four months (considering the cross-year plan ), the timestamp of every month, that is, 2011.9-2013.1 scores are not much, and the post is timely. thank you! ------ Solution -------------------- WHERE & nbsp; date & nbsp; & lt; & nbsp; php calculates the monthly spacing
For example, this month is July
Calculate the timestamp of each month from the previous month to the next four months (considering the cross-year period ).
That is, 2011.9-2013.1
No scores are given, and the post is timely. thank you!

------ Solution --------------------
WHERE date <". strtotime ('+ 4 month')." AND date> ". strtotime ('-12 month ')."
------ Solution --------------------

$ T = date ('Y-m-01 '); // The current time cannot be used directly, otherwise there will be issues at the end of the month
For ($ I =-12; $ I <= 4; $ I ++ ){
Echo date ('Y. M', strtotime ("$ I month $ t"), PHP_EOL;
}

2011.09
2011.10
2011.11
2011.12
2012.01
2012.02
2012.03
2012.04
2012.05
2012.06
2012.07
2012.08
2012.09
2012.10
2012.11
2012.12
2013.01