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What is the name of the new interface that indicates that a class implements the__toString method?
Author: W3D TeamStatus: PublishedQuestion passed 372 times
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4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```5
PHP function with named and positional arguments.3
PHP code that throws a TypeError4
Attributes are metadata that can be added to classes, properties, constants or methods.7
PHP code that throws an error.4
Which function signature is valid?4
Use the match expression in PHP to print a string.