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run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); namespace Forum { class Message {} } namespace Messenger { class Message {} } namespace { $forumMessage = new Forum\Message; $messengerMessage = new Messenger\Message; var_dump($forumMessage::class); var_dump($messengerMessage::class); }
Output for 8.0.0 - 8.0.3
string(13) "Forum\Message" string(17) "Messenger\Message"
Output for 7.4.0 - 7.4.16
Fatal error: Cannot use ::class with dynamic class name in /in/EGRHr on line 19
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/EGRHr on line 19
Process exited with code 255.

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