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1<?php
2
3declare(strict_types=1);
4
5/**
6 * This file is part of php-fast-forward/event-dispatcher.
7 *
8 * This source file is subject to the license bundled
9 * with this source code in the file LICENSE.
10 *
11 * @copyright Copyright (c) 2025-2026 Felipe Sayão Lobato Abreu <github@mentordosnerds.com>
12 * @license   https://opensource.org/licenses/MIT MIT License
13 *
14 * @see       https://github.com/php-fast-forward/event-dispatcher
15 * @see       https://github.com/php-fast-forward
16 * @see       https://datatracker.ietf.org/doc/html/rfc2119
17 */
18
19namespace FastForward\EventDispatcher\Event;
20
21/**
22 * Store propagation state for stoppable events.
23 */
24trait StoppableEventTrait
25{
26    /**
27     * Current propagation state.
28     */
29    private bool $propagationStopped = false;
30
31    /**
32     * Determine whether propagation has been stopped.
33     *
34     * @return bool whether propagation is currently stopped
35     */
36    public function isPropagationStopped(): bool
37    {
38        return $this->propagationStopped;
39    }
40
41    /**
42     * Stop further listener propagation for the current event.
43     */
44    public function stopPropagation(): void
45    {
46        $this->propagationStopped = true;
47    }
48}