(PHP 7 >= 7.3.0, PHP 8)
ldap_bind_ext — Bind to LDAP directory
$ldap,$dn = null,$password = null,$controls = nullDoes the same thing as ldap_bind() but returns an LDAP\Result instance to be parsed with ldap_parse_result().
See ldap_bind()
   Returns an LDAP\Result instance, or false on failure.
  
| Version | Description | 
|---|---|
| 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[]. | 
