Splits the DN returned by ldap_get_dn() and breaks it
up into its component parts. Each part is known as Relative Distinguished
Name, or RDN.
Parameters
dn
The distinguished name of an LDAP entity.
with_attrib
Used to request if the RDNs are returned with only values or their
attributes as well. To get RDNs with the attributes (i.e. in
attribute=value format) set with_attrib
to 0
and to get only values set it to 1.