php时间转换为中国汉字时间

/**
 * @param $timestamp  时间戳
 * @return mixed
 * @author:huangpeng
 *@注释：时间转换为中国汉字时间
 * @param: $param 【年"year"，月"month"，日"day"】
 * @time:2019-05-16 14:17
 */
function get_month_time($timestamp,$param){
    $timeStr=strtotime(date('Y-n-j H:i:s',$timestamp));
    $Ymd=date('Y-n-j',$timeStr);
    $His=date('H:i:s',$timeStr);
    $Ymd_array=explode('-',$Ymd);//把日期转换为数组
    $His_array=explode(':',$His);
    $year=$Ymd_array[0];$month=$Ymd_array[1];$day=$Ymd_array[2];
    $hour=$His_array[0];$mine=$His_array[1];$second=$His_array[2];
    $arr=['一','二','三','四','五','六','七','八','九','十','十一','十二','十三','十四','十五','十六','十七','十八','十九','二十','二十一','二十二',
        '二十三','二十四','二十五','二十六','二十七','二十八','二十九','三十','三十一'];
   if($param=='year'){
       $data=$year;
   }elseif ($param=="month"){
       $data=$month;
   }elseif ($param=='day'){
       $data=$day;
   }
    foreach($arr as $key=>$val){
        if($key+1==$data){
            return $val;
        }
    }

}

/**
 * @param $date
 * @return string
 * @author:huangpeng
 *@注释： 最终效果：二零一八年十月十七日
 * @param:
 * @time:2019-05-16 14:17
 */
function toDateChinese($date)
{

    $date_arr = explode('-', $date);
    $arr = [];
    foreach ($date_arr as $index => &$val) {
        if (mb_strlen($val) == 4) {
            $arr[] = preg_split('/(?<!^)(?!$)/u', $val);
        } else {
            if ($val > 10) {
                $v[] = 10;
                $v[] = $val % 10;
                $arr[] = $v;
                unset($v);
            } else {
                $arr[][] = $val;
            }
        }
    }
    $cn = array("一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "零");
    $num = array("1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "0");
    $str_time = '';
    for ($i = 0; $i < count($arr); $i++) {
        foreach ($arr[$i] as $index => $item) {
            $str_time .= $cn[array_search($item, $num)];
        }
        if ($i == 0) {
            $str_time .= '年';
        } elseif ($i == 1) {
            $str_time .= '月';
        } elseif ($i == 2) {
            $str_time .= '日';
        }
    }
    return $str_time;
}