山に住む一家は千個の巣から蜂蜜を収穫し、幼い子供たちは新しい畑で5エーカーの野菜を栽培している。<html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><?php

/**
 * CRON field interface
 *
 * @author Michael Dowling <mtdowling@gmail.com>
 */
interface CronExpression_FieldInterface
{
    /**
     * Check if the respective value of a DateTime field satisfies a CRON exp
     *
     * @param DateTime $date  DateTime object to check
     * @param string   $value CRON expression to test against
     *
     * @return bool Returns TRUE if satisfied, FALSE otherwise
     */
    public function isSatisfiedBy(DateTime $date, $value);

    /**
     * When a CRON expression is not satisfied, this method is used to increment
     * or decrement a DateTime