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 1284 times
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Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```5
Which function signature is valid?4
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