Online PHP editor | output for FX4Ms

<?php interface Entity { public function getId() : int; } class Comment implements Entity { private int $id; private int $userId; private string $text; public function __construct(int $id, int $userId, string $text) { $this->id = $id; $this->userId = $userId; $this->text = $text; } public function getId() : int { return $this->id; } public function getUserId() : int { return $this->userId; } public function getText() : string { return $this->text; } public function setText(string $text): void { $this->text = $text; } } class CommentRepository { private array $entities = []; public function create(int $userId, string $text): Comment { $id = $this->generateId(); $entities[$id] = new Comment($id, $userId, $text); return $entities[$id]; } public function update(Comment $comment): Comment { $this->entities[$comment->getId()] = $comment; return $this->entities[$comment->getId()]; } private function generateId() : int { return random_int(1, 1000000); } } $repo = new CommentRepository; $comment = $repo->create(11, 'Test comment'); $comment->setText("updated comment"); $comment = $repo->update($comment); var_dump($comment);