Quels de ces snippets PHP sont valides ?

Question

Quel réponses sont valides ?

Accepted Answer

```php
<?php

$a = new \Some
amespace\ClassA;
$b = new \Some
amespace\ClassB;
```

Accepted Answer

```php
<?php

use  Some
amespace\ClassA;
use  Some
amespace\ClassB;

$a = new ClassA;
$b = new ClassB;
```

Accepted Answer

```php
<?php

use Some
amespace\{ClassA, ClassB};

$a = new ClassA;
$b = new ClassB;
```

Question du test PHP7