Prado\TApplicationConfiguration::loadPathsXml PHP Метод

    protected function loadPathsXml($pathsNode, $configPath)
    {
        foreach ($pathsNode->getElements() as $element) {
            switch ($element->getTagName()) {
                case 'alias':
                    if (($id = $element->getAttribute('id')) !== null && ($path = $element->getAttribute('path')) !== null) {
                        $path = str_replace('\\', '/', $path);
                        if (preg_match('/^\\/|.:\\/|.:\\\\/', $path)) {
                            // if absolute path
                            $p = realpath($path);
                        } else {
                            $p = realpath($configPath . DIRECTORY_SEPARATOR . $path);
                        }
                        if ($p === false || !is_dir($p)) {
                            throw new TConfigurationException('appconfig_aliaspath_invalid', $id, $path);
                        }
                        if (isset($this->_aliases[$id])) {
                            throw new TConfigurationException('appconfig_alias_redefined', $id);
                        }
                        $this->_aliases[$id] = $p;
                    } else {
                        throw new TConfigurationException('appconfig_alias_invalid');
                    }
                    $this->_empty = false;
                    break;
                case 'using':
                    if (($namespace = $element->getAttribute('namespace')) !== null) {
                        $this->_usings[] = $namespace;
                    } else {
                        throw new TConfigurationException('appconfig_using_invalid');
                    }
                    $this->_empty = false;
                    break;
                default:
                    throw new TConfigurationException('appconfig_paths_invalid', $element->getTagName());
            }
        }
    }