<?php
if (!defined('ABSPATH')) exit;
class CronExpression_YearField extends CronExpression_AbstractField
{
 public function isSatisfiedBy(DateTime $date, $value)
 {
 return $this->isSatisfied($date->format('Y'), $value);
 }
 public function increment(DateTime $date, $invert = false)
 {
 if ($invert) {
 $date->modify('-1 year');
 $date->setDate($date->format('Y'), 12, 31);
 $date->setTime(23, 59, 0);
 } else {
 $date->modify('+1 year');
 $date->setDate($date->format('Y'), 1, 1);
 $date->setTime(0, 0, 0);
 }
 return $this;
 }
 public function validate($value)
 {
 return (bool) preg_match('/[\*,\/\-0-9]+/', $value);
 }
}
