Not published
What does this example show?
$b= 12;
echo $a ?? $b;``
Author: W3D TeamStatus: Not publishedQuestion passed 121 times
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7
PHP code that throws an error.4
Which function signature is valid?5
PHP function with named and positional arguments.4
Attributes are metadata that can be added to classes, properties, constants or methods.3
PHP code that throws a TypeError4
Use the match expression in PHP to print a string.4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```