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Mini Shell
Mini Shell
<?php
declare(strict_types=1);
namespace Kreait\Firebase\Util;
use DateTimeImmutable;
use DateTimeZone;
use Kreait\Firebase\Exception\InvalidArgumentException;
use Throwable;
/**
* @internal
*/
class DT
{
/**
* @internal
*
* @param mixed $value
*/
public static function toUTCDateTimeImmutable($value): DateTimeImmutable
{
$tz = new DateTimeZone('UTC');
$now = \time();
if (
($value instanceof \DateTimeInterface)
&& $result = DateTimeImmutable::createFromFormat('U.u', $value->format('U.u'))
) {
return $result->setTimezone($tz);
}
if ($value === null || $value === 0 || \is_bool($value)) {
$value = '0';
}
if (\is_scalar($value) || (\is_object($value) && \method_exists($value, '__toString'))) {
$value = (string) $value;
} else {
$type = \is_object($value) ? \get_class($value) : \gettype($value);
throw new InvalidArgumentException("This {$type} cannot be parsed to a DateTime value");
}
if (\ctype_digit($value)) {
// Seconds
if ($value === '0' || \mb_strlen($value) === \mb_strlen((string) $now)) {
if ($result = DateTimeImmutable::createFromFormat('U', $value)) {
return $result->setTimezone($tz);
}
}
// Milliseconds
if (
(\mb_strlen($value) === \mb_strlen((string) ($now * 1000)))
&& $result = DateTimeImmutable::createFromFormat('U.u', \sprintf('%F', (float) ($value / 1000)))
) {
return $result->setTimezone($tz);
}
}
// microtime
if (\preg_match('@(?P<msec>^0?\.\d+) (?P<sec>\d+)$@', $value, $matches)) {
$value = (string) ((float) $matches['sec'] + (float) $matches['msec']);
if ($result = DateTimeImmutable::createFromFormat('U.u', \sprintf('%F', $value))) {
return $result->setTimezone($tz);
}
}
try {
return (new DateTimeImmutable($value))->setTimezone($tz);
} catch (Throwable $e) {
throw new InvalidArgumentException($e->getMessage());
}
}
}
Zerion Mini Shell 1.0