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Which of the following PHP versions introduced typed class constants ?
Author: nambininaStatus: PublishedQuestion passed 36 times
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7
PHP code that throws an error.5
PHP function with named and positional arguments.4
Attributes are metadata that can be added to classes, properties, constants or methods.4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```4
Which function signature is valid?4
Use the match expression in PHP to print a string.3
PHP code that throws a TypeError