public static string ObjectHash(object obj) { DObject dobj = obj as DObject; if (dobj == null) { PhpException.Throw(PhpError.Warning, LibResources.GetString("unexpected_arg_given", 1, DObject.PhpTypeName, PhpVariable.GetTypeName(obj).ToLower())); return(null); } return(dobj.GetHashCode().ToString("x32")); }