What specific PHP module can be used for LDAP programming, and how can one learn to use it effectively?

To work with LDAP in PHP, the specific PHP module that can be used is the "ldap" module. To effectively use this module for LDAP programming, one can refer to the official PHP documentation for the ldap functions and examples. Additionally, there are various online tutorials and guides available that can help in learning how to use the ldap module effectively.

// Connecting to an LDAP server
$ldapserver = 'ldap.example.com';
$ldapport = 389;

$ldapconn = ldap_connect($ldapserver, $ldapport);

if (!$ldapconn) {
    echo "Unable to connect to LDAP server";
}

// Binding to the LDAP server
$ldapbind = ldap_bind($ldapconn, 'cn=admin,dc=example,dc=com', 'password');

if (!$ldapbind) {
    echo "Unable to bind to LDAP server";
}

// Searching for entries in LDAP
$ldapsearch = ldap_search($ldapconn, 'dc=example,dc=com', '(cn=john.doe)');

$entries = ldap_get_entries($ldapconn, $ldapsearch);

print_r($entries);

// Closing the LDAP connection
ldap_close($ldapconn);