<?php

    $start_date = '2015-01-01';
    $end_date = '2015-06-30';

    while (strtotime($start_date) <= strtotime($end_date)) {
        echo "$start_daten";
        $start_date = date ("Y-m-d", strtotime("+1 days", strtotime($start_date)));
    }

?>

如果你使用的是低于8.2版本的php，并且没有DatePeriod::INCLUDE_END_DATE const。我写了一个返回\DateTimeImmutable数组的方法。

这适用于开始日期在结束日期之前、相同或之后的情况。

    /**
     * @param DateTimeImmutable $start
     * @param DateTimeImmutable $end
     * @return array<\DateTimeImmutable>
     */
    public static function getRangeDays(\DateTimeImmutable $start, \DateTimeImmutable $end): array
    {
        $startDate = $start;
        $endDate = $end;
        $forwards = $endDate >= $startDate;
        $carryDate = $startDate;
        $days = [];
        while (true) {
            if (($forwards && $carryDate > $end) || (!$forwards && $carryDate < $end)) {
                break;
            }
            $days[] = $carryDate;

            if ($forwards) {
                $carryDate = $carryDate->modify('+1 day');
            } else {
                $carryDate = $carryDate->modify('- 1 day');
            }
        }

        return $days;
    }

如果你使用Laravel并且想要使用Carbon，正确的解决方案如下:

$start_date = Carbon::createFromFormat('Y-m-d', '2020-01-01');
$end_date = Carbon::createFromFormat('Y-m-d', '2020-01-31');

$period = new CarbonPeriod($start_date, '1 day', $end_date);

foreach ($period as $dt) {
 echo $dt->format("l Y-m-d H:i:s\n");
}

记得加上:

使用碳\碳; 使用碳\ CarbonPeriod;

<?php

    $start_date = '2015-01-01';
    $end_date = '2015-06-30';

    while (strtotime($start_date) <= strtotime($end_date)) {
        echo "$start_daten";
        $start_date = date ("Y-m-d", strtotime("+1 days", strtotime($start_date)));
    }

?>

$startTime = strtotime('2010-05-01'); 
$endTime = strtotime('2010-05-10'); 

// Loop between timestamps, 1 day at a time 
$i = 1;
do {
   $newTime = strtotime('+'.$i++.' days',$startTime); 
   echo $newTime;
} while ($newTime < $endTime);

or

$startTime = strtotime('2010-05-01'); 
$endTime = strtotime('2010-05-10'); 

// Loop between timestamps, 1 day at a time 
do {
   $startTime = strtotime('+1 day',$startTime); 
   echo $startTime;
} while ($startTime < $endTime);

转换为unix时间戳使在php中计算日期更容易:

$startTime = strtotime( '2010-05-01 12:00' );
$endTime = strtotime( '2010-05-10 12:00' );

// Loop between timestamps, 24 hours at a time
for ( $i = $startTime; $i <= $endTime; $i = $i + 86400 ) {
  $thisDate = date( 'Y-m-d', $i ); // 2010-05-01, 2010-05-02, etc
}

当使用带有夏令时的时区时，请确保添加的时间不是23:00、00:00或1:00，以防止跳过或重复日期。