See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php
scope: Default search scope.
See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php
See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php
scope: Default search scope.
See http://pear.php.net/manual/en/package.networking.net-ldap2.connecting.php