Hard
What will be displayed?
<?php
class User
{
public string $name = 'Doe';
}
class Article
{
public ?User $user;
}
$article = new Article;
$article->user = new User;
$article?->user?->name = 'Dupont';
echo $article->user->name;
Author: W3D TeamStatus: PublishedQuestion passed 620 times
Edit
2
Community Evaluations
Cyrille
03/10/2023
le code ci-dessus affichera la chaîne de caractères Dupont.
Auteur anonyme
06/10/2023
Tu peux tester du code PHP sur des sites tel que http://phptester.net/ si tu as un doute sur une question :)
David
18/02/2024
je ne sais pas si ca devrait renvoyer Doe ou
Fatal error: Can't use nullsafe operator in write context
Similar QuestionsMore questions about PHP
6
PHP code that throws an error.4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```3
Which function signature is valid?3
PHP function with named and positional arguments.3
Attributes are metadata that can be added to classes, properties, constants or methods.