Medium
What does this code display?
<?php
$array = explode(' ', "Hello world");
$pos = array_search('Hello', $array);
echo in_array($pos, $array) ? 'Yes': 'No';
Author: W3D TeamStatus: PublishedQuestion passed 1252 times
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4
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Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```4
Attributes are metadata that can be added to classes, properties, constants or methods.5
PHP function with named and positional arguments.5
Which function signature is valid?9
PHP code that throws an error.