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
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PHP code that throws an error.5
PHP function with named and positional arguments.4
Use the match expression in PHP to print a string.4
Is this function signature valid?
```php
<?php
interface Demo
{
public function bar(): ?mixed;
}
```4
Which function signature is valid?3
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