DateInterval::createFromDateString

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

DateInterval::createFromDateString — Sets up a DateInterval from the relative parts of the string

说明

public static DateInterval::createFromDateString(string $datetime): DateInterval|false

Uses the normal date parsers and sets up a DateInterval from the relative parts of the parsed string.

参数

datetime: A date with relative parts. Specifically, the relative formats supported by the parser used for strtotime() and DateTime will be used to construct the DateInterval.

返回值

Returns a new DateInterval instance on success, 或者在失败时返回 false.

范例

示例 #1 Parsing valid date intervals


<?php
// Each set of intervals is equal.
$i = new DateInterval('P1D');
$i = DateInterval::createFromDateString('1 day');

$i = new DateInterval('P2W');
$i = DateInterval::createFromDateString('2 weeks');

$i = new DateInterval('P3M');
$i = DateInterval::createFromDateString('3 months');

$i = new DateInterval('P4Y');
$i = DateInterval::createFromDateString('4 years');

$i = new DateInterval('P1Y1D');
$i = DateInterval::createFromDateString('1 year + 1 day');

$i = new DateInterval('P1DT12H');
$i = DateInterval::createFromDateString('1 day + 12 hours');

$i = new DateInterval('PT3600S');
$i = DateInterval::createFromDateString('3600 seconds');
?>