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<?php |
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/** |
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* This file is part of mockable-datetime. |
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* |
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* mockable-datetime is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* mockable-datetime is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with mockable-datetime. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace Mcustiel\Mockable; |
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class DateTime |
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{ |
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const DATETIME_SYSTEM = 0; |
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const DATETIME_FIXED = 1; |
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const DATETIME_OFFSET = 2; |
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/** @var int */ |
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private static $type = self::DATETIME_SYSTEM; |
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/** @var int */ |
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private static $timestamp = 0; |
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/** @var int */ |
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private static $offsetTimestamp = 0; |
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/** @param int $timestamp */ |
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public static function setFixed(\DateTime $dateTime) |
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{ |
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self::$type = self::DATETIME_FIXED; |
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self::$timestamp = $dateTime->getTimestamp(); |
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} |
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public static function setSystem() |
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{ |
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self::$type = self::DATETIME_SYSTEM; |
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self::$timestamp = 0; |
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} |
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/** @param int $timestamp */ |
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public static function setOffset(\DateTime $dateTime) |
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{ |
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self::$type = self::DATETIME_OFFSET; |
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self::$timestamp = $dateTime->getTimestamp(); |
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self::$offsetTimestamp = (new \DateTime())->getTimestamp(); |
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} |
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/** |
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* @param string $time |
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* @param \DateTimeZone $timeZone |
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* |
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* @return \DateTime |
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*/ |
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public static function newPhpDateTime($time = 'now', \DateTimeZone $timeZone = null) |
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{ |
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if (self::DATETIME_SYSTEM === self::$type) { |
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return new \DateTime($time, $timeZone); |
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} |
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if (self::DATETIME_FIXED === self::$type) { |
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return self::getFixedTimeFromConfiguredTimestamp($time, $timeZone); |
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} |
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$date = self::getFixedTimeFromConfiguredTimestamp($time, $timeZone); |
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$timePassedSinceInstantiation = abs( |
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(new \DateTime())->getTimestamp() - self::$offsetTimestamp |
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); |
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$date->modify("+{$timePassedSinceInstantiation} seconds"); |
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return $date; |
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} |
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/** |
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* @param string $time |
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* @param \DateTimeZone $timeZone |
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* |
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* @return \DateTimeImmutable |
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*/ |
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public static function newImmutablePhpDateTime($time = 'now', \DateTimeZone $timeZone = null) |
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{ |
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if (self::DATETIME_SYSTEM === self::$type) { |
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return new \DateTimeImmutable($time, $timeZone); |
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} |
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if (self::DATETIME_FIXED === self::$type) { |
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return self::getFixedImmutableTimeFromConfiguredTimestamp($time, $timeZone); |
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} |
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$date = self::getFixedImmutableTimeFromConfiguredTimestamp($time, $timeZone); |
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$timePassedSinceInstantiation = abs( |
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(new \DateTime())->getTimestamp() - self::$offsetTimestamp |
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); |
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return $date->modify("+{$timePassedSinceInstantiation} seconds"); |
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} |
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/** |
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* @param mixed $time |
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* @param null|mixed $timeZone |
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* |
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* @throws \Exception |
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* |
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* @return \DateTime |
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*/ |
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private static function getFixedTimeFromConfiguredTimestamp($time, $timeZone = null) |
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{ |
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$date = new \DateTime(sprintf('@%d', self::$timestamp)); |
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if ('now' !== $time) { |
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$date = $date->modify($time); |
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} |
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if (null !== $timeZone) { |
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$date = $date->setTimezone($timeZone); |
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} |
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if (false === $date) { |
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throw new \RuntimeException('An error happened creating the immutable date'); |
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} |
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return $date; |
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} |
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/** |
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* @param mixed $time |
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* @param null|mixed $timeZone |
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* |
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* @throws \Exception |
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* |
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* @return \DateTimeImmutable |
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*/ |
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private static function getFixedImmutableTimeFromConfiguredTimestamp($time, $timeZone = null) |
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{ |
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$date = new \DateTimeImmutable(sprintf('@%d', self::$timestamp)); |
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if ('now' !== $time) { |
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$date = $date->modify($time); |
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} |
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if (null !== $timeZone) { |
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$date = $date->setTimezone($timeZone); |
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} |
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if (false === $date) { |
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throw new \RuntimeException('An error happened creating the immutable date'); |
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} |
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return $date; |
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} |
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} |
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mcustiel /
mockable-datetime
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