从数组php中查找连续的日期时间

function findContinuousDateTime($array) {
    $timestamps = array();
    foreach ($array as $datetime) {
        $timestamp = strtotime($datetime);
        if ($timestamp !== false) {
            $timestamps[] = $timestamp;
        }
    }
    
    sort($timestamps);
    
    $result = array();
    $start = null;
    $end = null;
    
    foreach ($timestamps as $timestamp) {
        if ($start === null) {
            $start = $timestamp;
            $end = $timestamp;
        } else {
            if ($timestamp - $end === 86400) { // 86400秒等于一天
                $end = $timestamp;
            } else {
                $result[] = array(
                    'start' => date('Y-m-d H:i:s', $start),
                    'end' => date('Y-m-d H:i:s', $end)
                );
                $start = $timestamp;
                $end = $timestamp;
            }
        }
    }
    
    if ($start !== null && $end !== null) {
        $result[] = array(
            'start' => date('Y-m-d H:i:s', $start),
            'end' => date('Y-m-d H:i:s', $end)
        );
    }
    
    return $result;
}

$array = array(
    '2022-01-01 12:00:00',
    '2022-01-02 12:00:00',
    '2022-01-03 12:00:00',
    '2022-01-05 12:00:00',
    '2022-01-06 12:00:00',
    '2022-01-07 12:00:00',
    '2022-01-09 12:00:00',
    '2022-01-10 12:00:00'
);

$result = findContinuousDateTime($array);

foreach ($result as $datetime) {
    echo "连续的日期时间段：{$datetime['start']} - {$datetime['end']}\n";
}

连续的日期时间段：2022-01-01 12:00:00 - 2022-01-03 12:00:00
连续的日期时间段：2022-01-05 12:00:00 - 2022-01-07 12:00:00
连续的日期时间段：2022-01-09 12:00:00 - 2022-01-10 12:00:00