$entry = array();
$entry['samaccountname'] = 'xdebug';
$entry['objectclass'  ][0] = 'top';
$entry['objectclass'  ][1] = 'person';
$entry['objectclass'  ][2] = 'organizationalPerson';
$entry['objectclass'  ][3] = 'user';

$entry["userpassword"] = "{MD5}" . base64_encode(pack('H*', md5("mypass")));
$entry["pwdlastset"  ] = array(-1);

$entry["useraccountcontrol"] = array("544");  // enabled account

$dn = "CN=xdebug,OU=Users,OU=my,DC=domain,DC=ru";
$result = @ldap_add($ldap_con, $dn, $entry);

//'Результат: '.ldap_err2str(ldap_errno($ldap_con));
//'Результат: success

$ldap_con = ldap_connect("ldaps://domail.ru", 636)
ldap_set_option($ldap_con, LDAP_OPT_PROTOCOL_VERSION, 3);
ldap_set_option($ldap_con, LDAP_OPT_REFERRALS, 0);
$ldapbind = ldap_bind($ldap_con, $ldap_user, $ldap_pass);