PHP strtotime: Get previous month

php date strtotime
Martin picture Martin · Dec 31, 2012 · Viewed 44.3k times · Source

Possible Duplicate:
How to get previous month and year relative to today, using strtotime and date?

Today is December, 31st but strtotime("-1 months") returns December:

echo date("Y-m", strtotime("-1 months"));

Same for strtotime("last month")

How can I properly return the previous month (November)?

Test: http://codepad.viper-7.com/XvMaMB

Answer

salathe picture salathe · Dec 31, 2012 
strtotime("first day of last month")

The first day of is the important part as detailed on the Relative Formats manual page.

Example: http://codepad.viper-7.com/dB35q8 (with hard-coded today's date)

Related questions

Adding three months to a date in PHP

I have a variable called $effectiveDate containing the date 2012-03-26. I am trying to add three months to this date and have been unsuccessful at it. Here is what I have tried: $effectiveDate = strtotime("+3 months", strtotime($effectiveDate)); and $effectiveDate = …

Read More
PHP, Get tomorrows date from date

I have a PHP date in the form of 2013-01-22 and I want to get tomorrows date in the same format, so for example 2013-01-23. How is this possible with PHP?

Read More
How to get previous month and year relative to today, using strtotime and date?

I need to get previous month and year, relative to current date. However, see following example. // Today is 2011-03-30 echo date('Y-m-d', strtotime('last month')); // Output: 2011-03-02 This behavior is understandable (to a certain point), due to different …

Read More