}
if ($slots[$i] & 2) {
$inoffice = false;
}
if (!$inoffice) {
$slots[$i] |= 4;
$prov[$i] = $i;
}
}
}
$ckavail = true;
// If the requested date is a holiday/closed date we need to alert the user about it and let him choose if he wants to proceed
//////
$is_holiday = false;
$holidays_controller = new Holidays_Controller();
$holidays = $holidays_controller->get_holidays_by_date_range($sdate, $edate);
if (in_array($sdate, $holidays)) {
$is_holiday = true;
$ckavail = true;
}
//////
// The cktime parameter is a number of minutes into the starting day of a
// tentative appointment that is to be checked. If it is present then we are
// being asked to check if this indicated slot is available, and to submit
// the opener and go away quietly if it is. If it's not then we have more
// work to do.
if (isset($_REQUEST['cktime'])) {
$cktime = 0 + $_REQUEST['cktime'];
$ckindex = (int) ($cktime * 60 / $slotsecs);
for ($j = $ckindex; $j < $ckindex + $evslots; ++$j) {
if ($slots[$j] >= 4) {
