(PECL radius >= 1.1.0)
radius_put_vendor_attr — Attaches a vendor specific binary attribute
$radius_handle
   , int $vendor
   , int $type
   , string $value
   )This function is currently not documented; only its argument list is available.
   Returns TRUE on success or FALSE on failure.
  
Example #1 radius_put_vendor_attr() example
<?php
if (!radius_put_vendor_attr($res, RADIUS_VENDOR_MICROSOFT, RAD_MICROSOFT_MS_CHAP_CHALLENGE, $challenge)) {
    echo 'RadiusError:' . radius_strerror($res). "\n<br />";
    exit;
}
?>