total line count php script?

$options = array(
    'ignoreFolders' => explode(', ', '.svn, nbproject'),
    'ignoreFiles' => explode(', ', 'jquery-1.5.js, jquery-1.5.min.js'),
    'extensions' => explode(', ', 'php, js'),
    'whitespace' => false,
    'comments' => false,
);

//Scan user defined directory
$folder = new Folder('path/to/project', new Option($options));
$folder->init();

$lines = $folder->getLines();
$whitespace = $folder->getWhitespace();
$comments = $folder->getComments();