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Which of the following PHP versions introduced typed class constants ?
Author: nambininaStatus: PublishedQuestion passed 28 times
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4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```3
PHP code that throws a TypeError4
Use the match expression in PHP to print a string.5
PHP function with named and positional arguments.4
Which function signature is valid?7
PHP code that throws an error.4
Attributes are metadata that can be added to classes, properties, constants or methods.