public static function getArrayDotValue( array $context , $name )
	{
		$pieces = explode( '.' , $name );
		foreach ( $pieces as $piece )
		{
			if ( ! is_array( $context ) || ! array_key_exists( $piece , $context ) )
			{
				return null;
			}
			$context = $context[ $piece ];
		}

		return $context;
	}