(PHP 7 >= 7.3.0, PHP 8)
ldap_bind_ext — Vincula un directorio LDAP
$ldap,$dn = null,$password = null,$controls = nullRealiza lo mismo que la función ldap_bind() pero devuelve una instancia LDAP\Result para analizar con ldap_parse_result().
Véase ldap_bind()
   Returns an LDAP\Result instance, o false si ocurre un error.
  
| Versión | Descripción | 
|---|---|
| 8.1.0 | The ldapparameter expects an LDAP\Connection
  instance now; previously, a validldap linkresource was expected. | 
| 8.1.0 | Returns an LDAP\Result instance now; previously, a resource was returned. | 
| 8.0.0 | controlsis nullable now; previously, it defaulted to[]. | 
