PHP日期数组最大连续日期

function findMaxConsecutiveDates($dates) {
    sort($dates); // 按日期升序排序
    
    $currentStartDate = $dates[0];
    $currentEndDate = $dates[0];
    $maxStartDate = $dates[0];
    $maxEndDate = $dates[0];
    
    for ($i = 1; $i < count($dates); $i++) {
        $currentDate = $dates[$i];
        $previousDate = $dates[$i - 1];
        
        // 判断是否连续
        if (strtotime($currentDate) - strtotime($previousDate) == 86400) { // 86400秒 = 1天
            $currentEndDate = $currentDate;
        } else {
            $currentStartDate = $currentDate;
            $currentEndDate = $currentDate;
        }
        
        // 更新最大连续日期范围
        if (strtotime($currentEndDate) - strtotime($currentStartDate) > strtotime($maxEndDate) - strtotime($maxStartDate)) {
            $maxStartDate = $currentStartDate;
            $maxEndDate = $currentEndDate;
        }
    }
    
    return [$maxStartDate, $maxEndDate];
}

// 示例日期数组
$dates = ['2022-01-01', '2022-01-02', '2022-01-03', '2022-01-05', '2022-01-06', '2022-01-07'];

// 调用函数并输出结果
$result = findMaxConsecutiveDates($dates);
echo "最大连续日期范围：{$result[0]} 到 {$result[1]}";