date - The first day of the current month in php using date_modify as DateTime object

Question

I can get the Monday of this week with:

$monday = date_create()->modify('this Monday');

I would like to get with the same ease the 1st of this month. How can I achieve that?

Answer 1

Here is what I use.

First day of the month:

date('Y-m-01');

Last day of the month:

date('Y-m-t');