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<?php declare(strict_types=1); namespace Domain\Mixins { trait ContentAware { protected string $content; public function getContent() { return $this->content; } public function setContent(string $content) { $this->content = $content; } } use Domain\user\User; trait UserAware { protected User $author; public function getAuthor() { return $this->author; } public function setAuthor(User $author) { $this->author = $author; } } } namespace Domain\User { class User { public function __construct(public string $name){} } } namespace Domain\Forum { use Domain\Mixins; class Message { use Mixins\ContentAware, Mixins\UserAware; } } namespace { use Domain\Forum\Message; use Domain\User\User; $message = new Message; $message->setContent('Hello'); $message->setAuthor(new User('greg')); echo sprintf('%s %s', $message->getContent(), $message->getAuthor()->name); }
Output for 8.0.0 - 8.0.13, 8.1rc1 - rc3
Hello greg
Output for 7.4.0 - 7.4.26
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE) in /in/frW8k on line 35
Process exited with code 255.
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'string' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/frW8k on line 7
Process exited with code 255.

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