#!/usr/bin/php5
<?php
require "linear-algebra.phar";

$artsen = array (
	'Klaas' => array('FTE' => 1, 'bevoegd' => array('D1', 'D2')),
	'Gerard' => array('FTE' => 0.6, 'bevoegd' => array('D1')),
	'Piet' => array('FTE' => 0.4, 'bevoegd' => array('D2')),
	'Jan' => array('FTE' => 0.8, 'bevoegd' => array('D2'))
);

$dates = array();
$first = '2016-01-01';
$last = '2016-01-31';

$date = $first;
while ($date != $last


$first_timestamp = strtotime($first);
$second = date('Y-m-d', $first_timestamp + 24*60*60);
echo($second);

?>