adoSchema::ConvertSchemaFile PHP Метод

    function ConvertSchemaFile($filename, $newVersion = NULL, $newFile = NULL)
    {
        // grab current version
        if (!($version = $this->SchemaFileVersion($filename))) {
            return FALSE;
        }
        if (!isset($newVersion)) {
            $newVersion = $this->schemaVersion;
        }
        if ($version == $newVersion) {
            $result = _file_get_contents($filename);
            // remove unicode BOM if present
            if (substr($result, 0, 3) == sprintf('%c%c%c', 239, 187, 191)) {
                $result = substr($result, 3);
            }
        } else {
            $result = $this->TransformSchema($filename, 'convert-' . $version . '-' . $newVersion, 'file');
        }
        if (is_string($result) and is_string($newFile) and $fp = fopen($newFile, 'w')) {
            fwrite($fp, $result);
            fclose($fp);
        }
        return $result;
    }