public static function removeDirectories($directories = null)
	{
		if (is_null($directories))
		{
			static::$directories = array();
		}
		else
		{
			static::$directories = array_diff(static::$directories, (array) $directories);
		}
	}
public static function removeDirectories($directories = null)
	{
		if (is_null($directories))
		{
			static::$directories = array();
		}
		else
		{
			static::$directories = array_diff(static::$directories, (array) $directories);
		}
	}
public static function removeDirectories ( $ directories = null ) { if ( is_null ( $ directories ) ) { static :: $ directories = array ( ) ; } else { static :: $ directories = array_diff ( static :: $ directories , ( array ) $ directories ) ; } }
Remove directories from the class loader.

@param   string|array  $directories
@return  void
Remove directories from the class loader .