Even if you kill() a thread, the isStarted() method will still return true.
(PECL pthreads >= 2.0.0)
Thread::isStarted — State Detection
Esta función no tiene parámetros.
Ejemplo #1 Tell if the referenced Thread was started
<?php
$worker = new Worker();
$worker->start();
var_dump($worker->isStarted());
?>El resultado del ejemplo sería:
bool(true)
Even if you kill() a thread, the isStarted() method will still return true.