Doctrine\OXM\Tools\XmlEntityGenerator::prefixCodeWithSpaces PHP Method

    private function prefixCodeWithSpaces($code, $num = 1)
    {
        $lines = explode("\n", $code);
        foreach ($lines as $key => $value) {
            $lines[$key] = str_repeat($this->spaces, $num) . $lines[$key];
        }
        return implode("\n", $lines);
    }