src/Version/MicrosoftInternetExplorer.php
<?php
/**
* This file is part of the browser-detector package.
*
* Copyright (c) 2012-2024, Thomas Mueller <mimmi20@live.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types = 1);
namespace BrowserDetector\Version;
use BrowserDetector\Version\Exception\NotNumericException;
use Psr\Log\LoggerInterface;
use UnexpectedValueException;
use function preg_match;
use function version_compare;
final class MicrosoftInternetExplorer implements VersionFactoryInterface
{
private const VERSIONS = [
'8' => '11.0',
'7' => '11.0',
'6' => '10.0',
'5' => '9.0',
'4' => '8.0',
];
/** @throws void */
public function __construct(
private readonly LoggerInterface $logger,
private readonly VersionBuilderInterface $versionBuilder,
private readonly VersionFactoryInterface $trident,
) {
// nothing to do
}
/**
* returns the version of the operating system/platform
*
* @throws void
*/
public function detectVersion(string $useragent): VersionInterface
{
try {
$version = $this->trident->detectVersion($useragent);
} catch (NotNumericException | UnexpectedValueException $e) {
$this->logger->info($e);
$version = null;
}
if ($version instanceof VersionInterface && $version->getMajor() !== null) {
foreach (self::VERSIONS as $engineVersion => $ieVersion) {
if (!version_compare($version->getMajor(), (string) $engineVersion, '>=')) {
continue;
}
try {
return $this->versionBuilder->set($ieVersion);
} catch (NotNumericException $e) {
$this->logger->info($e);
}
}
}
$doMatch = preg_match('/MSIE (?P<version>[\d\.]+)/', $useragent, $matches);
if ($doMatch) {
try {
return $this->versionBuilder->set($matches['version']);
} catch (NotNumericException $e) {
$this->logger->info($e);
}
}
return new NullVersion();
}
}