Answers for "get the date of monday after some date in php"

php date + one day

<?php
$stop_date = '2009-09-30 20:24:00';
echo 'date before day adding: ' . $stop_date; 
$stop_date = date('Y-m-d H:i:s', strtotime($stop_date . ' +1 day'));
echo 'date after adding 1 day: ' . $stop_date;
?>

in date function + 1 month and - 1 day in php

echo Date("Y-m-d", strtotime("2013-01-01 +1 Month -1 Day"));// 2013-01-31

echo Date("Y-m-d", strtotime("2013-01-31 +1 Month -3 Day")); // 2013-02-28

echo Date("Y-m-d", strtotime("2013-01-31 +2 Month")); // 2013-03-31

echo Date("Y-m-d", strtotime("2013-01-31 +3 Month -1 Day")); // 2013-04-30

echo Date("Y-m-d", strtotime("2013-12-31 -1 Month -1 Day")); // 2013-11-30

echo Date("Y-m-d", strtotime("2013-12-31 -2 Month")); // 2013-10-31

echo Date("Y-m-d", strtotime("2013-12-31 -3 Month")); // 2013-10-01

echo Date("Y-m-d", strtotime("2013-12-31 -3 Month -1 Day")); // 2013-09-30