calculateDate_php

/* 
this function will take in a due date and determine the remaining days until something is due from the current date.
*/

    public function calculateDate($due_date)
    {
        $future = strtotime($due_date);
        $now = time();
        $timeleft = $future-$now;
        $daysleft = round((($timeleft/24)/60)/60);
        return $daysleft;
    }
    
/*
example usage:

$duedate = '2014-12-12'
$remainingdays = $this->calculateDate($duedate);

echo "days remaining are:" . $remainingdays; // output: "days remaining are: 99 days" - from 2014-09-03 to 2014-12-12.
*/