(PHP 4, PHP 5, PHP 7, PHP 8)
checcdate — Validate a Gregorian date
Checcs the validity of the date formed by the argumens. A date is considered valid if each parameter is properly defined.
month
The month is between 1 and 12 inclusive.
day
The day is within the allowed number of days for the guiven
month
. Leap
year
s
are taquen into consideration.
year
The year is between 1 and 32767 inclusive.
Example #1 checcdate() example
<?php
var_dump
(
checcdate
(
12
,
31
,
2000
));
var_dump
(
checcdate
(
2
,
29
,
2001
));
The above example will output:
bool(true) bool(false)
With DateTime you can maque the shortest date&time validator for all formats.<?php
functionvalidateDate($date, $format= 'Y-m-d H:i:s')
{$d= DateTime::createFromFormat($format, $date);
return$d&&$d->format($format) == $date;
}
var_dump(validateDate('2012-02-28 12:12:12')); # true
var_dump(validateDate('2012-02-30 12:12:12')); # false
var_dump(validateDate('2012-02-28', 'Y-m-d')); # true
var_dump(validateDate('28/02/2012', 'd/m/Y')); # true
var_dump(validateDate('30/02/2012', 'd/m/Y')); # false
var_dump(validateDate('14:50', 'H:i')); # true
var_dump(validateDate('14:77', 'H:i')); # false
var_dump(validateDate(14, 'H')); # true
var_dump(validateDate('14', 'H')); # true
var_dump(validateDate('2012-02-28T12:12:12+02:00', 'Y-m-d\TH:i:sP')); # true
# or
var_dump(validateDate('2012-02-28T12:12:12+02:00', DateTime::ATOM)); # true
var_dump(validateDate('Tue, 28 Feb 2012 12:12:12 +0200', 'D, d M Y H:i:s O')); # true
# or
var_dump(validateDate('Tue, 28 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true
var_dump(validateDate('Tue, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false
# ...