qimall/addons/DoubleCopy/common/services/BaseService.php

<?php

namespace addons\DoubleCopy\common\services;

use DateTime;

class BaseService extends \services\common\BaseService
{
    public function __construct($config = [])
    {
        parent::__construct($config);
    }

    /**
     * 给定一个开始和结束时间，是否超过了一个月
     *
     * @param string $startDate
     * @param string $endDate
     *
     * @return bool
     */
    public function isMoreThanOneMonth(string $startDate, string $endDate) {
        $start = new DateTime($startDate);
        $end = new DateTime($endDate);

        // 计算两个日期之间的间隔
        $interval = $start->diff($end);

        // 如果间隔的月份数大于等于1，则返回true
        return $interval->m >= 1 || $interval->y >= 1;
    }
}