LdapTools\Connection\LdapConnection::bind PHP Method

    protected function bind($username, $password, $anonymous = false)
    {
        if ($anonymous) {
            $this->isBound = @ldap_bind($this->connection);
        } else {
            $this->isBound = @ldap_bind($this->connection, LdapUtilities::encode($username, $this->config->getEncoding()), LdapUtilities::encode($password, $this->config->getEncoding()));
        }
        if (!$this->isBound) {
            throw new LdapBindException(sprintf('Unable to bind to LDAP: %s', $this->getLastError()), $this->getExtendedErrorNumber());
        }
    }