array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'uk', ), 'this' => array ( 0 => 'function.checkdate.php', 1 => 'checkdate', 2 => 'Validate a Gregorian date', ), 'up' => array ( 0 => 'ref.datetime.php', 1 => 'Функції Дати/часу', ), 'prev' => array ( 0 => 'ref.datetime.php', 1 => 'Функції Дати/часу', ), 'next' => array ( 0 => 'function.date.php', 1 => 'date', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/datetime/functions/checkdate.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

checkdate

(PHP 4, PHP 5, PHP 7, PHP 8)

checkdateValidate a Gregorian date

Опис

checkdate(int $month, int $day, int $year): bool

Checks the validity of the date formed by the arguments. A date is considered valid if each parameter is properly defined.

Параметри

month

The month is between 1 and 12 inclusive.

day

The day is within the allowed number of days for the given month. Leap years are taken into consideration.

year

The year is between 1 and 32767 inclusive.

Значення, що повертаються

Returns true if the date given is valid; otherwise returns false.

Приклади

Приклад #1 checkdate() example

<?php
var_dump(checkdate(12, 31, 2000));
var_dump(checkdate(2, 29, 2001));

Поданий вище приклад виведе:

bool(true)
bool(false)

Прогляньте також