比较并查找与给定结束日期时间php最接近的日期时间

<?php
$endDate = new DateTime('2022-12-31 23:59:59'); // 给定的结束日期时间

$dates = array(
    new DateTime('2022-12-30 12:00:00'),
    new DateTime('2022-12-31 00:00:00'),
    new DateTime('2023-01-01 00:00:00'),
);

$closestDate = null;
$closestDiff = null;

foreach ($dates as $date) {
    $diff = date_diff($endDate, $date);
    $diffInSeconds = $diff->format('%r%a') * 24 * 60 * 60 + $diff->format('%r%h') * 60 * 60 + $diff->format('%r%i') * 60 + $diff->format('%r%s');

    if ($closestDiff === null || abs($diffInSeconds) < abs($closestDiff)) {
        $closestDate = $date;
        $closestDiff = $diffInSeconds;
    }
}

echo '与给定结束日期时间最接近的日期时间是：' . $closestDate->format('Y-m-d H:i:s');
?>