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<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\Utils;
use Nette;
/**
* DateTime.
*/
class DateTime extends \DateTime implements \JsonSerializable
{
use Nette\SmartObject;
/** minute in seconds */
public const MINUTE = 60;
/** hour in seconds */
public const HOUR = 60 * self::MINUTE;
/** day in seconds */
public const DAY = 24 * self::HOUR;
/** week in seconds */
public const WEEK = 7 * self::DAY;
/** average month in seconds */
public const MONTH = 2_629_800;
/** average year in seconds */
public const YEAR = 31_557_600;
/**
* Creates a DateTime object from a string, UNIX timestamp, or other DateTimeInterface object.
* @throws \Exception if the date and time are not valid.
*/
public static function from(string|int|\DateTimeInterface|null $time): static
{
if ($time instanceof \DateTimeInterface) {
return new static($time->format('Y-m-d H:i:s.u'), $time->getTimezone());
} elseif (is_numeric($time)) {
if ($time <= self::YEAR) {
$time += time();
}
return (new static('@' . $time))->setTimezone(new \DateTimeZone(date_default_timezone_get()));
} else { // textual or null
return new static((string) $time);
}
}
/**
* Creates DateTime object.
* @throws Nette\InvalidArgumentException if the date and time are not valid.
*/
public static function fromParts(
int $year,
int $month,
int $day,
int $hour = 0,
int $minute = 0,
float $second = 0.0,
): static
{
$s = sprintf('%04d-%02d-%02d %02d:%02d:%02.5F', $year, $month, $day, $hour, $minute, $second);
if (
!checkdate($month, $day, $year)
|| $hour < 0
|| $hour > 23
|| $minute < 0
|| $minute > 59
|| $second < 0
|| $second >= 60
) {
throw new Nette\InvalidArgumentException("Invalid date '$s'");
}
return new static($s);
}
/**
* Returns new DateTime object formatted according to the specified format.
*/
public static function createFromFormat(
string $format,
string $time,
string|\DateTimeZone|null $timezone = null,
): static|false
{
if ($timezone === null) {
$timezone = new \DateTimeZone(date_default_timezone_get());
} elseif (is_string($timezone)) {
$timezone = new \DateTimeZone($timezone);
}
$date = parent::createFromFormat($format, $time, $timezone);
return $date ? static::from($date) : false;
}
/**
* Returns JSON representation in ISO 8601 (used by JavaScript).
*/
public function jsonSerialize(): string
{
return $this->format('c');
}
/**
* Returns the date and time in the format 'Y-m-d H:i:s'.
*/
public function __toString(): string
{
return $this->format('Y-m-d H:i:s');
}
/**
* Creates a copy with a modified time.
*/
public function modifyClone(string $modify = ''): static
{
$dolly = clone $this;
return $modify ? $dolly->modify($modify) : $dolly;
}
}
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