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Which of the following PHP versions introduced typed class constants ?
Author: nambininaStatus: PublishedQuestion passed 57 times
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4
Attributes are metadata that can be added to classes, properties, constants or methods.8
PHP code that throws an error.5
PHP function with named and positional arguments.4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```5
Check if a value is in an array in PHP4
Use the match expression in PHP to print a string.5
Which function signature is valid?