Yii + adLdap exception 'adLDAPException' with message 'No LDAP support for PHP?

Question

Yii

I'm trying to connect adldap.sourceforge.net
But I'm getting exception 'adLDAPException' with message 'No LDAP support for PHP.
Platform win 7. OpenServer.
adLDAP.php and source codes were thrown into components.
//protected/config/main.php
'components' => array(
...
'ldap' => array(
'class' => 'LdapComponent',
'baseDn' => 'DC=example,DC=org', //example.org
'accountSuffix' => '@example.org',
'domainControllers' => array('dc.example.org'),
'adminUsername' => 'username',
'adminPassword'

Answer 1

uncomment D:\open\OpenServer\userdata\config
in PHP-5.4_php.ini (or whatever php) line
extension=php_ldap.dll
false panic in general

Answer 2

"No LDAP support for PHP" - can you manage to upload it to google-translate or translate it for you?