public function contains(IDateTimeInterval $first, IDateTimeInterval $second) : bool
{
$firstStartDate = strtotime($first->getStartDate());
$firstEndDate = strtotime($first->getEndDate());
$secondStartDate = strtotime($second->getStartDate());
$secondEndDate = strtotime($second->getEndDate());
if ($secondStartDate >= $firstStartDate && $secondStartDate <= $firstEndDate && $secondEndDate >= $firstStartDate && $secondEndDate <= $firstEndDate) {
return true;
} else {
return false;
}
}
public static function compareTo(IDateTimeInterval $first, IDateTimeInterval $second) : bool
{
$test = $first->getStartDate();
$firstStartDate = (new DateTime($first->getStartDate()))->getTimestamp();
$firstEndDate = (new DateTime($first->getEndDate()))->getTimestamp();
$secondStartDate = (new DateTime($second->getStartDate()))->getTimestamp();
$secondEndDate = (new DateTime($second->getEndDate()))->getTimestamp();
if ($firstEndDate < $secondStartDate) {
return -1;
} else {
if ($firstStartDate > $secondEndDate) {
return 1;
} else {
return 0;
}
}
}
