What is best solution to get next and previous month from given date php -

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What is best solution to get next and previous month from given date php -

i want next , previous month given date. code.

$month = '2011-01-20';

$prevmonth = funp($month); $nextmonth = funn($month);

what best solution that.

$next_month_ts = strtotime('2011-01-20 +1 month'); $prev_month_ts = strtotime('2011-01-20 -1 month'); $next_month = date('y-m-d', $next_month_ts); $prev_month = date('y-m-d', $prev_month_ts);

php

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