PHP Date Comparer

date-comparer.php

    /**
     * Date comparer
     * 
     * @param string $date: current date
     * @param string $date2: target date
     * @param bool $diff: date diff or past time condition
     * @return bool|array
     */
    public function dateCompare($current, $expire, $diff = false)
    {
        $expire_date = new DateTime($expire);
        $current_date = new DateTime($current);
        $interval = $expire_date->diff($current_date);

        // pure date diff result
        if ($diff){
            return $interval;
        }

        // for past time conditions
        foreach ($interval as $key => $value) {
            if ($key == 'invert') {
                return $value < 1 ? false : true;
            }
        }

        return false;
    }