function SignalHandler::getHandlerFor

Returns the first handler from the top of the stack that can handle a given signal

Parameters

self::SIG* $signal:

Return value

self|null

2 calls to SignalHandler::getHandlerFor()

SignalHandler::callHandlerFor in vendor/seld/signal-handler/src/SignalHandler.php

Calls the first handler from the top of the stack that can handle a given signal

SignalHandler::unregister in vendor/seld/signal-handler/src/SignalHandler.php

Clears the signal handler

File

vendor/seld/signal-handler/src/SignalHandler.php, line 528

Class

SignalHandler

SignalHandler and factory

Namespace

Seld\Signal

Code

private static function getHandlerFor(string $signal) : ?self {
    foreach (self::$handlers as $key => $handler) {
        if ($handler instanceof WeakReference) {
            $handler = $handler->get();
            if ($handler === null) {
                unset(self::$handlers[$key]);
                continue;
            }
        }
        if (in_array($signal, $handler->signals, true)) {
            return $handler;
        }
    }
    return null;
}