<?php
$user='cn=administrator,cn=users,dc=contoso,dc=com';
$pass=‘xxxxxxx';
$ds=ldap_connect("172.16.32.6");
if ($ds) {
    ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
    $r=ldap_bind($ds, $user, $pass);
    $sr=ldap_search($ds,"dc=contoso,dc=com", “cn=b*");
    echo "Number of entires returned: ".ldap_count_entries($ds,$sr)."<p>";
    $info = ldap_get_entries($ds, $sr);
    for ($i=0; $i<$info["count"]; $i++) {
        echo "dn is: ". $info[$i]["dn"] ."<br>";
        echo "cn is: ". $info[$i]["cn"][0] ."<br><br>";
    }
    ldap_close($ds);
} else {
    echo "<h4>Unable to connect to LDAP server</h4>";
}?>