CronLingo\Field::fromCronValue PHP Method

    public function fromCronValue($val)
    {
        $parts = explode(',', $val);
        foreach ($parts as $part) {
            if (false !== strstr($part, '/')) {
                preg_match('/\\*\\/(\\d+)/', $part, $matches);
                if (isset($matches[1])) {
                    $this->repeatsOn(intval($matches[1]));
                }
            } else {
                if (false !== strstr($part, '-')) {
                    $ranges = explode('-', $part);
                    $this->setRange(intval($ranges[0]), intval($ranges[1]));
                } else {
                    if (is_numeric($part)) {
                        $this->addSpecific(intval($part));
                    }
                }
            }
        }
    }