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What are WeakMap data structures?
Author: W3D TeamStatus: PublishedQuestion passed 1031 times
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PHP code that throws a TypeError4
Which function signature is valid?4
Use the match expression in PHP to print a string.4
Attributes are metadata that can be added to classes, properties, constants or methods.5
PHP function with named and positional arguments.7
PHP code that throws an error.4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```