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46 lines
1.8 KiB
Markdown
46 lines
1.8 KiB
Markdown
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# Date
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- `Date()`
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- `Date(string $format)`
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Validates if input is a date. The `$format` argument should be in accordance to
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PHP's [date()](http://php.net/date) function, but only those are allowed:
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Format | Description | Values
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--------|-----------------------------------------------------------------------|-------------------------
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`d` | Day of the month, 2 digits with leading zeros | 01 to 31
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`j` | Day of the month without leading zeros | 1 to 31
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`S` | English ordinal suffix for the day of the month, 2 characters | st, nd, rd or th
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`F` | A full textual representation of a month, such as January or March | January to December
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`m` | Numeric representation of a month, with leading zeros | 01 to 12
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`M` | A short textual representation of a month, three letters | Jan to Dec
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`n` | Numeric representation of a month, without leading zeros | 1 to 12
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`Y` | A full numeric representation of a year, 4 digits | Examples: 1988 or 2017
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`y` | A two digit representation of a year | Examples: 88 or 17
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When a `$format` is not given its default value is `Y-m-d`.
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```php
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v::date()->validate('2017-12-31'); // true
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v::date()->validate('2020-02-29'); // true
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v::date()->validate('2019-02-29'); // false
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v::date('m/d/y')->validate('12/31/17'); // true
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v::date('F jS, Y')->validate('May 1st, 2017'); // true
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v::date('Ydm')->validate(20173112); // true
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```
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## Changelog
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Version | Description
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--------|-------------
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2.0.0 | Created
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***
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See also:
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- [DateTime](DateTime.md)
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- [MinimumAge](MinimumAge.md)
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- [LeapDate](LeapDate.md)
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- [LeapYear](LeapYear.md)
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