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<?php
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/**
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* This file is part of the Nette Framework (https://nette.org)
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
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*/
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declare(strict_types=1);
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namespace Nette\Utils;
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use Nette;
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/**
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* DateTime.
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*/
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class DateTime extends \DateTime implements \JsonSerializable
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{
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use Nette\SmartObject;
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/** minute in seconds */
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public const MINUTE = 60;
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/** hour in seconds */
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public const HOUR = 60 * self::MINUTE;
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/** day in seconds */
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public const DAY = 24 * self::HOUR;
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/** week in seconds */
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public const WEEK = 7 * self::DAY;
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/** average month in seconds */
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public const MONTH = 2629800;
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/** average year in seconds */
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public const YEAR = 31557600;
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/**
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* Creates a DateTime object from a string, UNIX timestamp, or other DateTimeInterface object.
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* @param string|int|\DateTimeInterface $time
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* @return static
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* @throws \Exception if the date and time are not valid.
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*/
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public static function from($time)
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{
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if ($time instanceof \DateTimeInterface) {
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return new static($time->format('Y-m-d H:i:s.u'), $time->getTimezone());
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} elseif (is_numeric($time)) {
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if ($time <= self::YEAR) {
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$time += time();
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}
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return (new static('@' . $time))->setTimezone(new \DateTimeZone(date_default_timezone_get()));
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} else { // textual or null
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return new static((string) $time);
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}
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}
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/**
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* Creates DateTime object.
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* @return static
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* @throws Nette\InvalidArgumentException if the date and time are not valid.
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*/
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public static function fromParts(
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int $year,
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int $month,
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int $day,
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int $hour = 0,
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int $minute = 0,
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float $second = 0.0
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) {
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$s = sprintf('%04d-%02d-%02d %02d:%02d:%02.5F', $year, $month, $day, $hour, $minute, $second);
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if (
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!checkdate($month, $day, $year)
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|| $hour < 0
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|| $hour > 23
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|| $minute < 0
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|| $minute > 59
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|| $second < 0
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|| $second >= 60
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) {
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throw new Nette\InvalidArgumentException("Invalid date '$s'");
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}
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return new static($s);
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}
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/**
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* Returns new DateTime object formatted according to the specified format.
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* @param string $format The format the $time parameter should be in
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* @param string $time
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* @param string|\DateTimeZone $timezone (default timezone is used if null is passed)
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* @return static|false
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*/
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#[\ReturnTypeWillChange]
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public static function createFromFormat($format, $time, $timezone = null)
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{
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if ($timezone === null) {
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$timezone = new \DateTimeZone(date_default_timezone_get());
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} elseif (is_string($timezone)) {
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$timezone = new \DateTimeZone($timezone);
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} elseif (!$timezone instanceof \DateTimeZone) {
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throw new Nette\InvalidArgumentException('Invalid timezone given');
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}
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$date = parent::createFromFormat($format, $time, $timezone);
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return $date ? static::from($date) : false;
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}
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/**
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* Returns JSON representation in ISO 8601 (used by JavaScript).
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*/
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public function jsonSerialize(): string
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{
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return $this->format('c');
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}
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/**
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* Returns the date and time in the format 'Y-m-d H:i:s'.
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*/
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public function __toString(): string
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{
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return $this->format('Y-m-d H:i:s');
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}
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/**
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* Creates a copy with a modified time.
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* @return static
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*/
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public function modifyClone(string $modify = '')
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{
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$dolly = clone $this;
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return $modify ? $dolly->modify($modify) : $dolly;
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}
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}
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