Viewing file:  WindowsRegistryLogicalFinder.php (1.18 KB) -rw-r--r--
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<?php
/*
* This file is part of the Fidry CPUCounter Config package.
*
* (c) Théo FIDRY <theo.fidry@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace Fidry\CpuCoreCounter\Finder;
use function array_filter;
use function count;
use function explode;
use const PHP_EOL;
/**
* Find the number of logical CPU cores for Windows.
*
* @see https://knowledge.informatica.com/s/article/151521
*/
final class WindowsRegistryLogicalFinder extends ProcOpenBasedFinder
{
protected function getCommand(): string
{
return 'reg query HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor';
}
public function toString(): string
{
return 'WindowsRegistryLogicalFinder';
}
protected function countCpuCores(string $process): ?int
{
$count = count(
array_filter(
explode(PHP_EOL, $process),
static function (string $line): bool {
return '' !== trim($line);
}
)
);
return $count > 0 ? $count : null;
}
}
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