Файл: vendor/symfony/console/SignalRegistry/SignalMap.php
Строк: 41
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SymfonyComponentConsoleSignalRegistry;
/**
* @author Grégoire Pineau <lyrixx@lyrixx.info>
*/
class SignalMap
{
private static array $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, fn ($k) => str_starts_with($k, 'SIG') && !str_starts_with($k, 'SIG_'), ARRAY_FILTER_USE_KEY);
self::$map = array_flip($map);
}
return self::$map[$signal] ?? null;
}
}