How to convert specified time into day of week in php

php method to convert the specified time into the day of the week:

First create a new "test.php" file and create the "get_week" function, the code is as follows:

<?php
  header("Content-type: text/html; charset=utf-8");
  //获取星期方法
  function get_week($date){
    //强制转换日期格式
    $date_str=date(&#39;Y-m-d&#39;,strtotime($date));
    //封装成数组
    $arr=explode("-", $date_str);
    //参数赋值
    //年
    $year=$arr[0];
    //月，输出2位整型，不够2位右对齐
    $month=sprintf(&#39;%02d&#39;,$arr[1]);
    //日，输出2位整型，不够2位右对齐
    $day=sprintf(&#39;%02d&#39;,$arr[2]);
    //时分秒默认赋值为0；
    $hour = $minute = $second = 0;
    //转换成时间戳
    $strap = mktime($hour,$minute,$second,$month,$day,$year);
    //获取数字型星期几
    $number_wk=date("w",$strap);
    //自定义星期数组
    $weekArr=array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
    //获取数字对应的星期
    return $weekArr[$number_wk];
  }
  //测试
  $date="2016-08-20";
  echo get_week($date);
  //星期六
?>

Finally run the file in the server environment.

Related references:php中文网

The above is the detailed content of How to convert specified time into day of week in php. For more information, please follow other related articles on the PHP Chinese website!