public function unlink($uri)
    {
        $this->uri = $uri;

        return $this->invoke($this->getFilesystem(), 'delete', [$this->getTarget()], 'unlink');
    }
public function unlink($uri)
    {
        $this->uri = $uri;

        return $this->invoke($this->getFilesystem(), 'delete', [$this->getTarget()], 'unlink');
    }
public function unlink ( $ uri ) { $ this -> uri = $ uri ; return $ this -> invoke ( $ this -> getFilesystem ( ) , 'delete' , [ $ this -> getTarget ( ) ] , 'unlink' ) ; }
Deletes a file.

@param string $uri

@return bool True on success, false on failure.
Deletes a file .