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    IntlGregorianCalendar::isLeapYear

    (PHP 5 >= 5.5.0, PHP 7, PHP 8)

    IntlGregorianCalendar::isLeapYear — Determine if the given year is a leap year

    说明

    面向对象风格

    public function IntlGregorianCalendar::isLeapYear(int $year): bool

    过程化风格

    function intlgregcal_is_leap_year(IntlGregorianCalendar $calendar, int $year): bool

    Determines whether the given year is a leap year in the Gregorian calendar.

    参数

    calendar

    An IntlGregorianCalendar instance.

    year

    The year to check.

    返回值

    Returns true for leap years, false otherwise and on failure.

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