> 
> Since PHP 5.3, it is possible to leave out the middle part of the
>  ternary operator. Expression expr1 ?: expr3 returns expr1 if expr1
>  evaluates to TRUE, and expr3 otherwise.
> 
> 
> 

Is there any better or more concise way than following code to set default value of variables?

```
$v = isset($v) ? $v : "default value";

```