DatePeriod::__construct()

(PHP 5 >= 5.3.0, PHP 7)

Creates a new DatePeriod object

说明

Creates a new DatePeriod object.

参数

The start date of the period.

The interval between recurrences within the period.

The number of recurrences.

The end date of the period.

An ISO 8601 repeating interval specification.

Can be set toDatePeriod::EXCLUDE_START_DATEto exclude the start date from the set of recurring dates within the period.

更新日志

范例

DatePeriod example

以上例程会输出：

2012-07-01
2012-07-08
2012-07-15
2012-07-22
2012-07-29

DatePeriod example withDatePeriod::EXCLUDE_START_DATE

以上例程会输出：

2012-07-08
2012-07-15
2012-07-22
2012-07-29

注释

Unbound numbers of repetitions as specified by ISO 8601 section 4.5 "Recurring time interval" are not supported, i.e. neither passing"R/..."as$isostrnor passingNULLas$endwould work.

I found two things useful to know that aren't covered here.
1. endDate is excluded:

Will output:
2010-11-03 12:39:53
(Another one because I got it wrong at first)
2. For the first form, recurrences really means REcurrences, not occurences.

Will output:
2010-11-03 12:41:05
2010-11-04 12:41:05

When you add the time 23:59:59 to the end DateTime object something like the following then the end date will be included in the period:

OUTPUT:
14/03
16/03
18/03
20/03
22/03

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