{

/**

public function clean_path($path)

{

$exploded = explode('/', $path);

$filtered = array();

foreach ($exploded as $part)

{

if ($part === '.' && !empty($filtered))

{

continue;

}

if ($part === '..' && !empty($filtered) && $filtered[sizeof($filtered) - 1] !== '.' && $filtered[sizeof($filtered) - 1] !== '..')

{

array_pop($filtered);

}

else

{

$filtered[] = $part;

}

}

$path = implode('/', $filtered);

return $path;

}