(PHP 4 >= 4.0.0)
icap_open -- Opens up an ICAP connection
Description
stream icap_open (string calendar, string username, string password, string options)
Returns an ICAP stream on success, FALSE on error.
icap_open() opens up an ICAP connection to the
specified calendar store. If the optional
options is specified, passes the
options to that mailbox also.