[SOLVED] Previous Date Issue

[ainoy31]

Hello-

 

I am having an issue trying to figure out the beginning of the previous month.  I am doing a previous billing cycle feature where I display three previous billing cycle from current date.  This is what I am using to go back three months.

 

$previousThreeBillCycle = mktime(0, 0, 0, date("m")-3, date("d"), date("Y"));
$previousMonth = date("Y-m-d", $previousThreeBillCycle);

 

That gets me the date of 2008-05-08.  I know that the bill start date is on the first of every month and it is a monthly plan.  I can't seem to think through the logic for this.  Much appreciation.  I hope this is clear enough.  AM

[jonsjava]

<?php
$previousThreeBillCycle = mktime(0, 0, 0, date("m")-3, 1, date("Y"));
$previousMonth = date("Y-m-d", $previousThreeBillCycle);
print $previousMonth;

this assumes that the billing is always on the 1st.

[ainoy31]

Thanks for the help.  It works.  Much appreciation.