function giving me trouble

[HCProfessionals]

What I can Do:

 

function createDir($path = '/path/to/root/')

 

 

What I Need To Do:

 

Something like this

$server_root = $_SERVER['DOCUMENT_ROOT'];
function createDir($path = $server_root)

 

Or This

function createDir($path = $_SERVER['DOCUMENT_ROOT'])

[Buddski]

Have you tried something like this?

function createDir($path = false) {
$path = ($path === false ? $_SERVER['DOCUMENT_ROOT'] : $path);
// rest of your code //
echo $path;
}