/**
* Prepares the connection by setting configured parameters.
*
* @return void
*/
protected function prepareConnection()
{
if ($this->configuration->get('use_ssl')) {
$this->connection->ssl();
} elseif ($this->configuration->get('use_tls')) {
$this->connection->tls();
}
$this->connection->setOptions([LDAP_OPT_PROTOCOL_VERSION => $this->configuration->get('version'), LDAP_OPT_NETWORK_TIMEOUT => $this->configuration->get('timeout'), LDAP_OPT_REFERRALS => $this->configuration->get('follow_referrals')]);
}