Overview
KB
Technical FAQ
PHP Manual
CSS2 Manual
HTML Manual
JS Guide
JS Reference
PhpDock Manual
Nu-Coder Manual
PhpExpress Manual
PHP Joomla
Development
Learn PHP
 
<Thread::getThreadIdThread::isStarted>
^ThreadLast updated: Mon, 26 Oct 2026

Thread::isJoined

(PECL pthreads >= 2.0.0)

Thread::isJoined — State Detection

Description

public function Thread::isJoined(): bool

Tell if the referenced Thread has been joined

Parameters

This function has no parameters.

Return Values

Returns true on success or false on failure.

Examples

Example #1 Detect the state of the referenced Thread

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

The above example will output:

bool(false)

<Thread::getThreadIdThread::isStarted>
^ThreadLast updated: Mon, 26 Oct 2026