* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ declare (strict_types=1); namespace RectorPrefix202411\Fidry\CpuCoreCounter\Finder; use function count; use function explode; use function is_array; use function preg_grep; use const PHP_EOL; /** * The number of logical cores. * * @see https://stackoverflow.com/a/23378780/5846754 */ final class LscpuLogicalFinder extends ProcOpenBasedFinder { public function getCommand() : string { return 'lscpu -p'; } protected function countCpuCores(string $process) : ?int { $lines = explode(PHP_EOL, $process); $actualLines = preg_grep('/^\\d+,/', $lines); if (!is_array($actualLines)) { return null; } $count = count($actualLines); return 0 === $count ? null : $count; } public function toString() : string { return 'LscpuLogicalFinder'; } }