[PHP知识库]php获得一年12个月

        //获得当点12个月的年月日
        $yuef = [];
        $currentTime = time();
        $cyear = floor(date("Y",$currentTime));
        $cMonth = floor(date("1",$currentTime));
        for($i=0;$i<12;$i++){
            $nMonth = $cMonth+$i;
            $cyear = $nMonth == 0 ? ($cyear-1) : $cyear;//年
            $nMonth = $nMonth <= 0 ? 12+$nMonth : $nMonth;//月
            $date = $cyear."-".$nMonth."-1";
            $firstday = date('Y-m-01', strtotime($date));//当月第一天(年月日)
            $lastday = date('Y-m-t', strtotime($date));//当月最后阳台(年月日)
            $t = date('t', strtotime($date));//一个月有多少天
            //日期转时间戳
            $t1 = strtotime($lastday);//结束
//            $t3 = date('Y-m-t',$t1);
            $yuef[]=[$t1,$t,$firstday,$lastday];
        }
        return $yuef;