You need to call this function if you would like to define a type for a w32api call.
The name of the type.
A member type can be a user defined type. All the type names are case sensitive. Built in type names should be provided in lowercase.
The member name of
This function takes 2n+1 arguments, where n is the number of members the type has. After that is the type of the member followed by the members name (in pairs).
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.