Not published
What does this example show?
$b= 12;
echo $a ?? $b;``
Author: W3D TeamStatus: Not publishedQuestion passed 121 times
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5
Check if a value is in an array in PHP4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```9
PHP code that throws an error.5
PHP function with named and positional arguments.4
Attributes are metadata that can be added to classes, properties, constants or methods.4
Use the match expression in PHP to print a string.5
Which function signature is valid?