public function getId()
    {
        if ($output = $this->execute('fsutil file queryfileid', $this->path)) {
                if ((bool) preg_match('/(\d{1}[x].*)/', $output[0], $matches)) {
                return $matches[0];
            }
        }
    }
public function getId()
    {
        if ($output = $this->execute('fsutil file queryfileid', $this->path)) {
                if ((bool) preg_match('/(\d{1}[x].*)/', $output[0], $matches)) {
                return $matches[0];
            }
        }
    }
public function getId ( ) { if ( $ output = $ this -> execute ( 'fsutil file queryfileid' , $ this -> path ) ) { if ( ( bool ) preg_match ( '/(\d{1}[x].*)/' , $ output [ 0 ] , $ matches ) ) { return $ matches [ 0 ] ; } } }
Returns the current paths unique ID.

@return string|null
Returns the current paths unique ID .