LDAP Query for security groups using PHP

I am creating a query that will list all security groups for a set filter. My code currently pulls the name and description of the group but I'm unable to pull the managedBy attribute.

I actually need to get the display name of the user rather than the full dn of the managedBy attribute.

Any help would be appreciated.
Deborah

Here is my current code.

<?php

// Include code to connect to ldap server
include("ldap_connect.php");

// Base dn for search
$base_dn = "dc=oilstates, dc=net";

// Filter for search
//$filter = "(|(groupType=-2147483640)(groupType=-2147483646)(groupType=-2147483644))"; //| means or so only one condition must be met

// This filter is only for testing purposes The one above is the one that shows all security groups
$filter = "(&(groupType=-2147483646)(name=*IT - *))";

// Specify only those parameters we're interested in displaying
$attributes = array("name","description", "managedBy", "info");

// $connect comes from ldap_connect.php
$search = ldap_search($connect, $base_dn, $filter, $attributes)
or exit(">>Unable to search ldap server<<");

$info = ldap_get_entries($connect, $search);


echo $info["count"]." entries returned<p>";

for ($i=0; $i<$info["count"]; $i++)
{
echo $info[$i]["name"] [0]." (".$info[$i]["description"][0].") ".$info[$i]["info"][0]."<br />";
echo " - ".$info[$i]["managedBy"][0]."<br />";
}


ldap_unbind($connect);
?>