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Current File : //home/bitrix/www/local/php_interface/lib/vendor/kreait/firebase-php/src/Firebase/Util/DT.php

<?php

namespace Kreait\Firebase\Util;

use DateTimeImmutable;
use DateTimeZone;
use Kreait\Firebase\Exception\InvalidArgumentException;

class DT
{
    public static function toUTCDateTimeImmutable($value): DateTimeImmutable
    {
        $tz = new DateTimeZone('UTC');
        $now = time();

        if (ctype_digit($value)) {
            // Seconds
            if (\strlen($value) === \strlen($now)) {
                return DateTimeImmutable::createFromFormat('U', $value)
                    ->setTimezone($tz);
            }

            // Milliseconds
            if (\strlen($value) === \strlen($now * 1000)) {
                return DateTimeImmutable::createFromFormat('U.u', sprintf('%F', $value / 1000))
                    ->setTimezone($tz);
            }
        }

        if ($value instanceof \DateTimeInterface) {
            return DateTimeImmutable::createFromFormat('U.u', $value->format('U.u'))
                ->setTimezone($tz);
        }

        // microtime
        if (preg_match('@(?P<msec>^0?\.\d+) (?P<sec>\d+)$@', $value, $matches)) {
            $value = (float) $matches['sec'] + (float) $matches['msec'];

            return DateTimeImmutable::createFromFormat('U.u', sprintf('%F', $value))
                ->setTimezone($tz);
        }

        try {
            return (new DateTimeImmutable($value))->setTimezone($tz);
        } catch (\Throwable $e) {
            throw new InvalidArgumentException($e->getMessage());
        }
    }
}

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