-
- function getWeekDate($year,$weeknum){
- $firstdayofyear=mktime(0,0,0,1,1,$year);
- $firstweekday=date('N',$firstdayofyear);
- $firstweenum=date('W',$firstdayofyear);
- if($firstweenum==1){
- $day=(1-($firstweekday-1))+7*($weeknum-1);
- $startdate=date('Y-m-d',mktime(0,0,0,1,$day,$year));
- $enddate=date('Y-m-d',mktime(0,0,0,1,$day+6,$year));
- }else{
- $day=(9-$firstweekday)+7*($weeknum-1);
- $startdate=date('Y-m-d',mktime(0,0,0,1,$day,$year));
- $enddate=date('Y-m-d',mktime(0,0,0,1,$day+6,$year));
- }
- return array($startdate,$enddate);
- }
- ?>
您可能感兴趣的文章：
php number_format()保留小数点后几位
PHP小数点后保留几位的简单示例
php小数取整的方法(附实例)
php小数点后取两位的三种实现方法
|
