[英]Getting start and end date of a PHP DatePeriod object?
如何获取DatePeriod
对象的开始和结束日期?
$today = new \DateTime(date('Y-m-d')); // 2012-05-30
$period = new \DatePeriod($today, new \DateInterval('P1M'), 1);
$stats = new UsageStatistics($period);
class UsageStatistics
{
protected $period, $sentEmailCount, $autoSentEmailCount;
public function __construct(\DatePeriod $period)
{
$this->period = $period;
// Current logged in user and email repository
$user = $this->getUser();
$repo = $this->getEmailRepository();
// Get the start and end date for the given period
$startDate = ...
$endDate = ...
$result = $repo->getAllSentCount($user, $startDate, $endDate);
// Assigning object properties
}
public function getSentEmailCount() { return $this->sentEmailCount; }
public function getAutoSentEmailCount() { return $this->autoSentEmailCount; }
}
DatePeriod
只实现了 Traversable 接口,没有其他方法来访问元素或检索它们。
你可以做一些简单的事情来获取开始/结束日期:
$periodArray = iterator_to_array($period);
$startDate = reset($periodArray);
$endDate = end($periodArray);
我正在使用 PHP 5.6.9,您似乎可以使用属性end
并start
访问您的开始和结束DateTime
对象:
$p = new DatePeriod($s, $i, $e);
$startTime = $p->start; //returns $s
$endTime = $p->end; //returns $e
PHP 文档似乎没有反映这一点。 我做了一个 DatePeriod 对象的print_r
并得到以下输出:
DatePeriod Object
(
[start] => DateTime Object
(
[date] => 2015-06-01 00:00:00.000000
[timezone_type] => 3
[timezone] => America/Los_Angeles
)
[current] => DateTime Object
(
[date] => 2015-06-08 00:00:00.000000
[timezone_type] => 3
[timezone] => America/Los_Angeles
)
[end] => DateTime Object
(
[date] => 2015-06-08 00:00:00.000000
[timezone_type] => 3
[timezone] => America/Los_Angeles
)
[interval] => DateInterval Object
(
[y] => 0
[m] => 0
[d] => 7
[h] => 0
[i] => 0
[s] => 0
[weekday] => 0
[weekday_behavior] => 0
[first_last_day_of] => 0
[invert] => 0
[days] =>
[special_type] => 0
[special_amount] => 0
[have_weekday_relative] => 0
[have_special_relative] => 0
)
[recurrences] => 1
[include_start_date] => 1
)
似乎属性current
和interval
也是可见的。
@hakre 和@Boby 发布的解决方案不正确。
$endDate
是PERIOD % INTERVAL = 0
结束。
所有其他情况$endDate
将是END - PERIOD
。
$startingDate = new DateTime($startingDay);
$startingDate->modify('previous day');
$startingDate->modify('next Sunday');
$endingDate = new DateTime($endingDay);
$endingDate->modify('next day');
$period = new DatePeriod($startingDate, new DateInterval('P1W'), $endingDate);
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