Thread::getThreadId() returns 0 if the thread has not been started.
(PECL pthreads >= 2.0.0)
Thread::getThreadId — Identification
Will return the identity of the referenced Thread
This function has no parameters.
A numeric identity
Example #1 Return the identity of the referenced Thread
<?php
class My extends Thread {
public function run() {
printf("%s is Thread #%lu\n", __CLASS__, $this->getThreadId());
}
}
$my = new My();
$my->start();
?>
The above example will output:
My is Thread #123456778899
Thread::getThreadId() returns 0 if the thread has not been started.