* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace RectorPrefix202411\Symfony\Component\Console\SignalRegistry; /** * @author Grégoire Pineau */ class SignalMap { /** * @var mixed[] */ private static $map; public static function getSignalName(int $signal) : ?string { if (!\extension_loaded('pcntl')) { return null; } if (!isset(self::$map)) { $r = new \ReflectionExtension('pcntl'); $c = $r->getConstants(); $map = \array_filter($c, function ($k) { return \strncmp($k, 'SIG', \strlen('SIG')) === 0 && \strncmp($k, 'SIG_', \strlen('SIG_')) !== 0; }, \ARRAY_FILTER_USE_KEY); self::$map = \array_flip($map); } return self::$map[$signal] ?? null; } }