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 938 times
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4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```4
Attributes are metadata that can be added to classes, properties, constants or methods.5
PHP function with named and positional arguments.4
Which function signature is valid?7
PHP code that throws an error.4
Use the match expression in PHP to print a string.3
PHP code that throws a TypeError