Horde_Ldap::utf8 PHP Метод

    protected function utf8($attributes, $function)
    {
        if (!is_array($attributes) || array_key_exists(0, $attributes)) {
            throw new Horde_Ldap_Exception('Parameter $attributes is expected to be an associative array');
        }
        if (!$this->_schema) {
            $this->_schema = $this->schema();
        }
        if (!$this->_link || !function_exists($function)) {
            return $attributes;
        }
        if (is_array($attributes) && count($attributes) > 0) {
            foreach ($attributes as $k => $v) {
                if (!isset($this->_schemaAttrs[$k])) {
                    try {
                        $attr = $this->_schema->get('attribute', $k);
                    } catch (Exception $e) {
                        continue;
                    }
                    if (false !== strpos($attr['syntax'], '1.3.6.1.4.1.1466.115.121.1.15')) {
                        $encode = true;
                    } else {
                        $encode = false;
                    }
                    $this->_schemaAttrs[$k] = $encode;
                } else {
                    $encode = $this->_schemaAttrs[$k];
                }
                if ($encode) {
                    if (is_array($v)) {
                        foreach ($v as $ak => $av) {
                            $v[$ak] = call_user_func($function, $av);
                        }
                    } else {
                        $v = call_user_func($function, $v);
                    }
                }
                $attributes[$k] = $v;
            }
        }
        return $attributes;
    }