com_create_guid
(PHP 5)
com_create_guid — Generate a globally unique identifier (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.