<?php

use Symfony\Component\Lock\Key;
use Symfony\Component\Lock\Lock;
use Symfony\Component\Lock\Store\FlockStore;

$path = __DIR__ . '/tmp';

$lockKey = new Key('my_lock');
$store = new FlockStore($path);

$lock1 = new Lock($lockKey, $store);
// no lock by $lock1 yet
dump($lock1->isAcquired());
// aquire lock
$lock1->acquire(true);
// already locked by $lock1
dump($lock1->isAcquired());


// new handler, same name and path
$lock2 = new Lock($lockKey, $store);
// $lock2 cannot aquire lock of $lock1
dump($lock2->isAcquired());

// release first lock
$lock1->release();

// second try to aquire lock after $lock1 release
dump($lock2->isAcquired());

^ false

^ true

^ true

^ false

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PHP 8.2, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8