【PHP】获取每个月的开始和结束的时间戳

    /**
     * @Author: 小破孩嫩
     * @Email: 3584685883@qq.com
     * @Time: 2021/6/9 10:21
     * @param $year
     * @Description：获取任意一年的每个月的开始和结束的时间戳
     */
    public function getMonthBetweenTimestampByYear($year = ''){
        if(empty($year)){
            $year = date('Y',time());
        }
        $month = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12'];
        foreach($month as $key => $val){
            $month_start = strtotime($year.'-'.$val);//指定月份月初时间戳
            $month_end   = mktime(23, 59, 59, $val+1, 00,$year);//指定月份月末时间戳
            $month_s_e[] = ['start' => $month_start, 'end' => $month_end];
        }
        return $month_s_e;
    }