public function isDirectory($directory)
	{
		$directory = Util::normalizePath($directory);

		return (bool) $this->adapter->isDirectory($directory);
	}
public function isDirectory($directory)
	{
		$directory = Util::normalizePath($directory);

		return (bool) $this->adapter->isDirectory($directory);
	}
public function isDirectory ( $ directory ) { $ directory = Util :: normalizePath ( $ directory ) ; return ( bool ) $ this -> adapter -> isDirectory ( $ directory ) ; }
Determine if the given path is a directory.

@param   string  $directory
@return  bool
Determine if the given path is a directory .