mixed add(object instance);
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.
Adds an SWF object instance to the current movie.
For displayable types (shape, text, button, sprite), this returns an SWFDisplayItem, a handle to the object in a display list. Thus, you can add the same shape to a movie multiple times and get separate handles back for each separate instance.