Medium
What will be displayed?
<?php
class User
{
public string $name = 'Doe';
}
class Article
{
public ?User $user = null;
}
$article = new Article;
echo $article?->user?->name;
Author: W3D TeamStatus: PublishedQuestion passed 1104 times
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9
PHP code that throws an error.4
Attributes are metadata that can be added to classes, properties, constants or methods.5
PHP function with named and positional arguments.4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```5
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Use the match expression in PHP to print a string.5
Which function signature is valid?