轉(zhuǎn)換方法：1、使用date()和“strtotime(指定日期)”將日期轉(zhuǎn)換成表示星期的數(shù)字；2、定義“array("日","一","二","三","四","五","六")”數(shù)組；3、將數(shù)字作為下標(biāo)，在數(shù)組中取出對(duì)應(yīng)的星期值即可。

本教程操作環(huán)境：windows7系統(tǒng)、PHP7.1版，DELL G3電腦

function   get_week($date){     //強(qiáng)制轉(zhuǎn)換日期格式     $date_str=date('Y-m-d',strtotime($date));     //封裝成數(shù)組     $arr=explode("-", $date_str);     //參數(shù)賦值     //年     $year=$arr[0];     //月，輸出2位整型，不夠2位右對(duì)齊     $month=sprintf('%02d',$arr[1]);     //日，輸出2位整型，不夠2位右對(duì)齊     $day=sprintf('%02d',$arr[2]);     //時(shí)分秒默認(rèn)賦值為0；     $hour = $minute = $second = 0;        //轉(zhuǎn)換成時(shí)間戳     $strap = mktime($hour,$minute,$second,$month,$day,$year);     //獲取數(shù)字型星期幾     $number_wk=date("w",$strap);     //自定義星期數(shù)組     $weekArr=array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");     //獲取數(shù)字對(duì)應(yīng)的星期     return $weekArr[$number_wk]; }   //測(cè)試 /*$date="2016-08-21"; echo get_week($date); */     // echo '<pre>'; foreach ($all as $k => $v) {     $arr[$k]['time'] = $v['time'];     $arr[$k]['oprate'] = $v['oprate'];     $arr[$k]['record'] = $v['record'];     $arr[$k]['xq'] = get_week($v['time']);     // var_dump($v); }

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