public static function newDirectory($name, $permissions = null)
{
if ('/' === $name[0]) {
$name = substr($name, 1);
}
$firstSlash = strpos($name, '/');
if (false === $firstSlash) {
return new vfsStreamDirectory($name, $permissions);
}
$ownName = substr($name, 0, $firstSlash);
$subDirs = substr($name, $firstSlash + 1);
$directory = new vfsStreamDirectory($ownName, $permissions);
if (is_string($subDirs) && strlen($subDirs) > 0) {
self::newDirectory($subDirs, $permissions)->at($directory);
}
return $directory;
}