isObject()

Type     [gd]	function
Return value	boolean (true or false)
Overview	This is a function to check if an object is the instance of a given class.
See also	class

Syntax

isObject(object, class)

isObject() returns true if object is the instance of the given class.

Examples

local img = Image('moon.png') if isObject(img, Image) then     print('img is Image object') end