IntlCalendar::before

(PHP 5 >= 5.5.0, PHP 7, PHP 8, PECL >= 3.0.0a1)

IntlCalendar::before — Whether this objectʼs time is before that of the passed object

面向对象风格

public IntlCalendar::before(IntlCalendar $other): bool

过程化风格

intlcal_before(IntlCalendar $calendar, IntlCalendar $other): bool

Returns whether this objectʼs time precedes the argumentʼs time.

calendar: IntlCalendar 实例。
other: The calendar whose time will be checked against the primary objectʼs time.

Returns true if this objectʼs current time is before that of the calendar argumentʼs time. Returns false otherwise.

On failure false is also returned. To detect error conditions use intl_get_error_code(), or set up Intl to throw exceptions.

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