// Designate a few variables 
$host = "ldap://ad.domain.controller"; 
$user = "user@domain.controller"; 
$pswd = "password"; 
$ad = ldap_connect($host) or die( "Could not connect!" ); 

// Set version number 
ldap_set_option($ad, LDAP_OPT_PROTOCOL_VERSION, 3) or die ("Could not set ldap protocol"); 

// Binding to ldap server 
$bd = ldap_bind($ad, $user, $pswd) or die ("Could not bind"); 

// Create the DN $dn = "dc=domain,dc=controller"; 
$dn = "dc=school,dc=cathedral,dc=qld,dc=edu,dc=au";

// Specify only those parameters we're interested in displaying 
$attrs = array("displayname","mail");

// Create the filter from the search parameters 
$filter = $_POST['filter']."=".$_POST['keyword']."*"; 
$search = ldap_search($ad, $dn, $filter, $attrs) or die ("ldap search failed"); 
$entries = ldap_get_entries($ad, $search); 

if ($entries["count"] > 0) { for ($i=0; $i<$entries["count"]; $i++) { echo "

Name: ".$entries[$i]["displayname"][0]."
"; echo "Email: ".$entries[$i]["mail"][0]."
"; } } else { echo "

No results found!
"; } ldap_unbind($ad);