[Parse error: syntax error]

The full document is  http://timthumb.googlecode.com/svn/trunk/timthumb.php  

[Parse error: syntax error]

protected function calcDocRoot(){

$docRoot = @$_SERVER['DOCUMENT_ROOT'];

if (defined('LOCAL_FILE_BASE_DIRECTORY')) {

$docRoot = LOCAL_FILE_BASE_DIRECTORY;   

}

if(!isset($docRoot)){ 

$this->debug(3, "DOCUMENT_ROOT is not set. This is probably windows. Starting search 1.");

if(isset($_SERVER['SCRIPT_FILENAME'])){

$this->debug(3, "Generated docRoot using SCRIPT_FILENAME and PHP_SELF as: $docRoot");

} 

}

if(!isset($docRoot)){ 

$this->debug(3, "DOCUMENT_ROOT still is not set. Starting search 2.");

if(isset($_SERVER['PATH_TRANSLATED'])){

$docRoot = str_replace( '\', '/', substr(str_replace('\\', '\', $_SERVER['PATH_TRANSLATED']), 0, 0-strlen($_SERVER['PHP_SELF'])));

$this->debug(3, "Generated docRoot using PATH_TRANSLATED and PHP_SELF as: $docRoot");

} 

[Parse error: syntax error]

Hello, I need help.

Parse error: syntax error, unexpected 'SCRIPT_FILENAME' (T_STRING) in xxxxxxxxwp-content/themes/satish/thumb/timthumb.php on line 841

Line 841 has this:

$this->debug(3, "Generated docRoot using SCRIPT_FILENAME and PHP_SELF as: $docRoot");

 

 

How can i resolve this error?