How to find the last day of the month from date?

Question

How can I get the last day of the month in PHP?

Given:

$a_date = \"2009-11-23\"

I want 2009-11-30; and given

$a_dat         


        

Answer 1

Using Zend_Date it's pretty easy:

$date->setDay($date->get(Zend_Date::MONTH_DAYS));