Medium
What does this example show?
$b = 12;
echo $a ?? $b;
Edit
0
Community EvaluationsNo one has reviewed this question yet, be the first!
3
PHP code that throws a TypeError4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```3
Check if a value is in an array in PHP5
PHP function with named and positional arguments.4
Attributes are metadata that can be added to classes, properties, constants or methods.7
PHP code that throws an error.3
Use the match expression in PHP to print a string.