Thread
PHP Manual

Thread::isRunning

State Detection

Description

final public boolean Thread::isRunning ( void )

Tell if the referenced Thread is executing

Parameters

This function has no parameters.

Return Values

A boolean indication of state

Note:

A Thread is considered running while executing the run method

Examples

Example #1 Detect the state of the referenced Thread

<?php
class My extends Thread {
    public function run() {
        $this->synchronized(function($thread){
            $thread->wait();
        }, $this);
    }
}
$my = new My();
$my->start();
var_dump($my->isRunning());
$my->synchronized(function($thread){
    $thread->notify();
}, $my);
?>

The above example will output:

bool(true)