MyBuilder\Cronos\Formatter\Cron::format PHP Метод

    public function format()
    {
        $lines = '';
        foreach ($this->lines as $line) {
            $lines .= $line->format() . PHP_EOL;
        }
        return ($this->hasHeader() ? $this->header->format() . PHP_EOL : '') . trim($lines) . PHP_EOL;
    }

 private function wrapInKey(Cron $cron, $key)
 {
     return PHP_EOL . $this->beginKey($key) . PHP_EOL . trim($cron->format()) . PHP_EOL . self::KEY_END;
 }