it says the default parameter is 'now'.
but it also uses 'now' when you enter an empty string like '' despite it being a valid datetime format, expected an exception.
(PHP 5 >= 5.2.0, PHP 7)
DateTime::__construct -- date_create — Returns new DateTime object
Stil obiect-orientat
Stil procedural
Returns new DateTime object.
datetime
Un șir dată/oră. Formatele valide sunt explicate în Formatele datelor și orelor.
Enter "now"
here to obtain the current time when using
the $timezone
parameter.
timezone
A DateTimeZone object representing the
timezone of $datetime
.
If $timezone
is omitted or null
,
the current timezone will be used.
Notă:
The
$timezone
parameter and the current timezone are ignored when the$datetime
parameter either is a UNIX timestamp (e.g.@946684800
) or specifies a timezone (e.g.2010-01-28T15:00:00+02:00
).
Returns a new DateTime instance.
Stil procedural întoarce
false
în caz de eșec.
Emits Exception in case of an error.
Versiune | Descriere |
---|---|
7.1.0 | From now on microseconds are filled with actual value. Not with '00000'. |
Example #1 DateTime::__construct() example
Stil obiect-orientat
<?php
try {
$date = new DateTime('2000-01-01');
} catch (Exception $e) {
echo $e->getMessage();
exit(1);
}
echo $date->format('Y-m-d');
?>
Stil procedural
<?php
$date = date_create('2000-01-01');
if (!$date) {
$e = date_get_last_errors();
foreach ($e['errors'] as $error) {
echo "$error\n";
}
exit(1);
}
echo date_format($date, 'Y-m-d');
?>
Exemplele de mai sus vor afișa:
2000-01-01
Example #2 Intricacies of DateTime::__construct()
<?php
// Specified date/time in your computer's time zone.
$date = new DateTime('2000-01-01');
echo $date->format('Y-m-d H:i:sP') . "\n";
// Specified date/time in the specified time zone.
$date = new DateTime('2000-01-01', new DateTimeZone('Pacific/Nauru'));
echo $date->format('Y-m-d H:i:sP') . "\n";
// Current date/time in your computer's time zone.
$date = new DateTime();
echo $date->format('Y-m-d H:i:sP') . "\n";
// Current date/time in the specified time zone.
$date = new DateTime(null, new DateTimeZone('Pacific/Nauru'));
echo $date->format('Y-m-d H:i:sP') . "\n";
// Using a UNIX timestamp. Notice the result is in the UTC time zone.
$date = new DateTime('@946684800');
echo $date->format('Y-m-d H:i:sP') . "\n";
// Non-existent values roll over.
$date = new DateTime('2000-02-30');
echo $date->format('Y-m-d H:i:sP') . "\n";
?>
Exemplul de mai sus va afișa ceva similar cu:
2000-01-01 00:00:00-05:00 2000-01-01 00:00:00+12:00 2010-04-24 10:24:16-04:00 2010-04-25 02:24:16+12:00 2000-01-01 00:00:00+00:00 2000-03-01 00:00:00-05:00