/**
* Returns the matching days for a given month
* @param $month
* @return int
*/
public function getDaysInMonth($month)
{
if ($this->start->getYear() < $this->end->getYear()) {
return cal_days_in_month(CAL_GREGORIAN, $month, $this->start->getYear());
}
$localStart = null;
$localEnd = null;
if ($this->start->getMonth() == $month) {
$localStart = $this->start;
}
if ($this->end->getMonth() == $month) {
$localEnd = $this->end;
}
if ($localStart == null) {
$localStart = SimpleDateTime::createFromFormat("Y-m-d", $this->start->getYear() . "-{$month}-01");
}
if ($localEnd == null) {
$localEnd = SimpleDateTime::createFromFormat("Y-m-d", $this->start->getYear() . "-" . ($month + 1) . "-01");
}
$diff = new TimeSpan($localStart, $localEnd);
return $diff->getDaysBetween();
}
