<?php
$ldap = array(
        'url' => 'ETPRO.lokaal',
        'domain' => 'ETPRO.lokaal',
        'dn' => "dc=ETPRO,dc=lokaal"
);

$ds = ldap_connect( $ldap['url'] );

ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
ldap_set_option($ds, LDAP_OPT_REFERRALS, 0);

$username = "Niels";

//must always check that password length > 0
$password = "Hoornbeeck12";

// now try a real login
$login = ldap_bind( $ds, sprintf( '%s@%s', $username, $ldap['domain'] ), $password );

echo '- Logged In Successfully<br/><br/>';

try{
        $attributes = array(
                "displayname",
                "mail",
                "department",
                "title",
                "physicaldeliveryofficename",
                "manager"
        );

        $filter = "(&(objectCategory=person)(sAMAccountName=$username))";

        $result = ldap_search($ds, $ldap['dn'], $filter, $attributes);

        $entries = ldap_get_entries($ds, $result);

        if($entries["count"] > 0){

                echo "<b>User Information:</b><br/>";
                echo "displayName: ".$entries[0]['displayname'][0]."<br/>";
                echo "email: ".$entries[0]['mail'][0]."<br/>";
                echo "department: ".$entries[0]['department'][0]."<br/>";
                echo "title: ".$entries[0]['title'][0]."<br/>";
                echo "office: ".$entries[0]['physicaldeliveryofficename'][0]."<br/>";

                $filter2 = "(objectCategory=person)";
                $manager_result = ldap_search(
                        $ds,
                        $entries[0]['manager'][0],
                        $filter2,
                        $attributes
                );

                $manager_entries = ldap_get_entries($ds, $manager_result);

                if($manager_entries["count"] > 0){
                    $values = ldap_get_values( $ds, $manager_entries, "cn" );
                    if(is_array( $values ) ) {
                        printf( "Manager: %s", (string) array_pop( $values ) );
                    }
                }
        }
}
catch(Exception $e){
        echo $e;
}
?>

Foutmelding: Warning: ldap_get_values() expects parameter 2 to be resource, array given in C:\xampp\htdocs\ADconnection\backup\test.php on line 59