exists() public static méthode

Given a worker ID, check if it is registered/valid.
public static exists ( string $workerId ) : boolean
$workerId string ID of the worker.
Résultat boolean True if the worker exists, false if not.
Resque_Worker Class Documentation
Exemple #1
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 public function testWorkerCanUnregister()
 {
     $worker = new Resque_Worker('*');
     $worker->registerWorker();
     $worker->unregisterWorker();
     $this->assertFalse(Resque_Worker::exists((string) $worker));
     $this->assertEquals(array(), Resque_Worker::all());
     $this->assertEquals(array(), $this->redis->smembers('resque:workers'));
 }