Native Date

Some common methods to calculate and formatting date.

is_date(date)

Check the date is valid

return boolean

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is_leap_year(date)

Check the year is leap year

return boolean

last_date(date, format)

Last date of the month

return date

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is_leap_year(date)

Check the year is leap year

return boolean

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add(date, number, category, type)

Add [number] of date or month depend on category to the date

return date

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sub(date, number)

Substruct [number] of date or month depend on category to the date

return date

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diff(date1, date2)

_Difference of between date1 and date2 in days

return date

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format(date)

Format the date to YYYY-MM-DD

return date