Display Name on assigned week php

gistfile1.txt

// add as much ppeople as you like
$people = array('Ana', 'Bobby', 'Charlie', 'Darren', 'Emma');

// Here you can add holidays
//$holidays = array('2012-07-12', '2012-07-7');
$holidays = array('');

//set start time once
$start = new DateTime('2020-01-06');

// Because the end date need to be + 1(bug?)
$start->modify('+1 day');

// set date today
$end = new DateTime('2015-07-13');
// otherwise the  end date is excluded (bug?)
$end->modify('+1 day');

// total days
$interval = $end->diff($start);
$days = $interval->days;

// create an iterateable period of date (P1D equates to 1 day)
$period = new DatePeriod($start, new DateInterval('P1D'), $end);

foreach($period as $dt) {
    $curr = $dt->format('D');

    // for the updated question
    if (in_array($dt->format('Y-m-d'), $holidays)) {
       $days--;
    }

    // substract if Saturday or Sunday
    if ($curr == 'Sat' || $curr == 'Sun') {
        $days--;
    }
}

$days = $days % count($people);
echo $people[$days] . " will display the contact";

?>