public function getSchemaExtension($name, ConnectionInterface $conn)
    {
        if (isset($this->extensions[$name])) {
            return call_user_func($this->extensions[$name], $conn);
        }

        return null;
    }
public function getSchemaExtension($name, ConnectionInterface $conn)
    {
        if (isset($this->extensions[$name])) {
            return call_user_func($this->extensions[$name], $conn);
        }

        return null;
    }
public function getSchemaExtension ( $ name , ConnectionInterface $ conn ) { if ( isset ( $ this -> extensions [ $ name ] ) ) { return call_user_func ( $ this -> extensions [ $ name ] , $ conn ) ; } return null ; }
Return the schema extension object.

@param string              $name

@param ConnectionInterface $conn

@return DbSchemaInterface
Return the schema extension object .