function SignalMap::getSignalName

3 calls to SignalMap::getSignalName()

CommandDataCollector::getHandledSignals in vendor/symfony/console/DataCollector/CommandDataCollector.php

CommandDataCollector::getInterruptedBySignal in vendor/symfony/console/DataCollector/CommandDataCollector.php

CommandDataCollector::getSignalable in vendor/symfony/console/DataCollector/CommandDataCollector.php

File

vendor/symfony/console/SignalRegistry/SignalMap.php, line 21

Class

SignalMap

@author Grégoire Pineau <lyrixx@lyrixx.info>

Namespace

Symfony\Component\Console\SignalRegistry

Code

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;
}