Subtract 1 day with PHP

Question

I\'m trying to take a date object that\'s coming out of my Drupal CMS, subtract one day and print out both dates. Here\'s what I have

$date_raw = $messageno         


        

Answer 1

Answear taken from Php manual strtotime function comments :

echo date( "Y-m-d", strtotime( "2009-01-31 -1 day"));

Or

$date = "2009-01-31";
echo date( "Y-m-d", strtotime( $date . "-1 day"));