servdal
52 lines
1.3 KiB
PHP
52 lines
1.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Lcobucci\Clock;
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use DateMalformedStringException;
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use DateTimeImmutable;
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use DateTimeZone;
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use InvalidArgumentException;
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final class FrozenClock implements Clock
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{
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public function __construct(private DateTimeImmutable $now)
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{
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}
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public static function fromUTC(): self
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{
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return new self(new DateTimeImmutable('now', new DateTimeZone('UTC')));
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}
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public function setTo(DateTimeImmutable $now): void
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{
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$this->now = $now;
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}
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/**
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* Adjusts the current time by a given modifier.
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*
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* @param string $modifier @see https://www.php.net/manual/en/datetime.formats.php
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*
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* @throws InvalidArgumentException When an invalid format string is passed (PHP < 8.3).
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* @throws DateMalformedStringException When an invalid date/time string is passed (PHP 8.3+).
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*/
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public function adjustTime(string $modifier): void
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{
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$modifiedTime = @$this->now->modify($modifier);
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// PHP < 8.3 won't throw exceptions on invalid modifiers
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if ($modifiedTime === false) {
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throw new InvalidArgumentException('The given modifier is invalid');
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}
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$this->now = $modifiedTime;
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}
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public function now(): DateTimeImmutable
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{
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return $this->now;
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}
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}
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