Doctrine\DBAL\Migrations\Version::writeSqlFile PHP Method

    public function writeSqlFile($path, $direction = self::DIRECTION_UP)
    {
        $queries = $this->execute($direction, true);
        if (!empty($this->params)) {
            throw MigrationException::migrationNotConvertibleToSql($this->class);
        }
        $this->outputWriter->write("\n-- Version " . $this->version . "\n");
        $sqlQueries = [$this->version => $queries];
        $sqlWriter = new SqlFileWriter($this->configuration->getMigrationsColumnName(), $this->configuration->getMigrationsTableName(), $path, $this->outputWriter);
        return $sqlWriter->write($sqlQueries, $direction);
    }

 /**
  * @param Version $version
  * @param         $direction
  * @param         $path
  */
 public function executeToFile(Version $version, $direction, $path)
 {
     $path = is_bool($path) ? getcwd() : $path;
     $version->writeSqlFile($path, $direction);
     $verb = $direction === 'down' ? 'Rolled back' : 'Migrated';
     $this->note($version->getVersion(), $version, false, $verb);
 }