欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  后端开发

PHP日期操作

程序员文章站 2022-05-06 14:13:56
...
Php代码
//返回指定月份的第一天
  function get_the_month_first_day_str($theyear, $themonth) {
    return date("Y-m-d", mktime(0, 0, 0, $themonth, 1, $theyear));
  }
  
  //返回指定月份的最后一天
  function get_the_month_last_day_str($theyear, $themonth) {
    $theday = date("t", mktime(0, 0, 0, $themonth, 1, $theyear));
    return date("Y-m-d", mktime(0, 0, 0, $themonth, $theday, $theyear));
  }
  
  //返回指定日期所在周的第一天(周日为第一天,周一为第二天,以此类推)
  function get_the_week_first_day_str($theyear, $themonth, $theday) {
  $date = mktime(0, 0, 0, $themonth, $theday, $theyear);
  $date = $date - (24 * 60 * 60 * date("w", $date));
  return date("Y-m-d", $date);
  }
  
  //返回指定日期所在周的最后一天(周日为第一天,周一为第二天,以此类推)
  function get_the_week_last_day_str($theyear, $themonth, $theday) {
  $date = mktime(0, 0, 0, $themonth, $theday, $theyear);
  $date = $date - (24 * 60 * 60 * date("w", $date)) + (24 * 60 * 60 * 6);
  return date("Y-m-d", $date);
  }
相关标签: php PHP日期操作