(PHP 4, PHP 5, PHP 7, PHP 8)
ldap_dn2ufn — Convert DN to User Friendly Naming format
$dn): string|false
Turns the specified dn, into a more user-friendly
form, stripping off type names.
dnThe distinguished name of an LDAP entity.
Returns the user friendly name, 或者在失敗時(shí)返回 false.