PHP LDAP Quick Test

php-ldap-quick-test.php

<?php
$uid = 'username';
$password = 'password';

echo 'Try login as uid "' . $uid . '" using password [redacted]<br><br>' . PHP_EOL;

// connect
$ldapconn = ldap_connect('ldap://ldap.example.com');
if (!$ldapconn) {
    echo 'Could not connect to authentication server.' . PHP_EOL;
    die();
} 

// authenticatie user
$ldaprdn = 'uid=' . $uid . ',ou=people,dc=example,dc=com';
ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3);
ldap_set_option($ldapconn, LDAP_OPT_REFERRALS, 0);
ldap_start_tls($ldapconn);
$ldapbind = @ldap_bind($ldapconn, $ldaprdn, $password);

if (!$ldapbind) {
    echo 'Invalid username or password.' . PHP_EOL;
    die();
} 

// lookup info
$filter='(uid='.$uid.')';
$results = ldap_search($ldapconn,'dc=example,dc=com',$filter);
ldap_sort($ldapconn,$results,'sn');
$info = ldap_get_entries($ldapconn, $results);

// display info
for ($i=0; $i<$info['count']; $i++) {
    echo 'Success' . PHP_EOL;
    echo 'uid: ' . $info[$i]['uid'][0] . PHP_EOL;
    echo 'name: ' . $info[$i]['cn'][0]. PHP_EOL;
    echo 'mail: ' . $info[$i]['mail'][0]. PHP_EOL;
    echo 'telephonenumber: ' . $info[$i]['telephonenumber'][0]. PHP_EOL;
    echo 'title: ' . $info[$i]['title'][0]. PHP_EOL;
    break;
}

// close ldap connection
@ldap_close($ldapconn);