PHP. Руководство по PHP. 2005
com_create_guid
com_create_guid
Description
string com_create_guid (void)Generates a Globally Unique Identifier (GUID) and returns it as a string. A GUID is generated in the same way as DCE UUID's, except that the Microsoft convention is to enclose a GUID in curly braces.
See also uuid_create() in the PECL uuid extension.
com_addref
com_event_sink