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.
This class represents the enumeration identified with the
id parameter.
Parameters
id
Can be either the name of the enumeration (e.g "MyEnum"), or the full
repository id (e.g. "IDL:MyEnum:1.0").