In this chapter, we looked at:
Directory services in general
LDAP as a directory technology
Components that make up a typical LDAP setup
Characteristics and features that make LDAP the directory technology of choice
The four models of LDAP and thereby the underlying mechanisms required for LDAP solutions
The software options currently available for LDAP
Installation and configuration of an open-source solution
The PHP client API for LDAP support
A simple application that illustrated the use of the API