Not published
What does this example show?
$b= 12;
echo $a ?? $b;``
Author: W3D TeamStatus: Not publishedQuestion passed 121 times
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4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```9
PHP code that throws an error.4
Use the match expression in PHP to print a string.5
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.5
Which function signature is valid?