Php/docs/dateinterval.createfromdatestring
DateInterval::createFromDateString
(PHP 5 >= 5.3.0, PHP 7)
DateInterval::createFromDateString — Sets up a DateInterval from the relative parts of the string
说明
public static DateInterval::createFromDateString
( string $datetime
) : DateInterval
Uses the normal date parsers and sets up a DateInterval from the relative parts of the parsed string.
参数
datetime- A date with relative parts. Specifically, the relative formats supported by the parser used for strtotime() and DateTime will be used to construct the DateInterval.
范例
Example #1 Parsing valid date intervals
<?php// Each set of intervals is equal.$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');?>
