com_create_guid　Generate a globally unique identifier (GUID)　php函数

com_create_guid

(PHP 5)

com_create_guid — Generate a globally unique identifier (GUID)

string com_create_guid ( void )

Generates a Globally Unique Identifier (GUID).

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.

Returns the GUID as a string.

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