3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace App\Domain\Messenger { class Message {} } namespace { use App\Domain\Messenger\Message; $messengerMessage = new Message; var_dump($messengerMessage::class); }
Output for 8.0.0 - 8.0.3
string(28) "App\Domain\Messenger\Message"
Output for 7.4.0 - 7.4.16
Fatal error: Cannot use ::class with dynamic class name in /in/MvQk6 on line 12
Process exited with code 255.
Output for 7.3.0 - 7.3.28
Fatal error: Dynamic class names are not allowed in compile-time ::class fetch in /in/MvQk6 on line 12
Process exited with code 255.

preferences:
24.21 ms | 458 KiB | 5 Q