PHP获取本周、上周、本月、上月、本季度、上季度等各类具体时间

2022-10-09,,,,

1.获取本周开始和结束的日期:

echo date("y-m-d h:i:s", mktime(0,0,0,date("m"),date("d")-date("w")+1,date("y")));    //2020-03-09 00:00:00
echo date("y-m-d h:i:s", mktime(23,59,59,date("m"),date("d")-date("w")+7,date("y"))); //2020-03-15 23:59:59

2.获取上周开始和结束的日期:

echo date('y-m-d h:i:s', mktime(0,0,0,date('m'),date('d')-date('w')+1-7,date('y')));    //2020-03-02 00:00:00
echo date('y-m-d h:i:s', mktime(23,59,59,date('m'),date('d')-date('w')+7-7,date('y'))); //2020-03-08 23:59:59

3.获取本月开始和结束的日期:

echo date('y-m-d h:i:s', mktime(0,0,0,date('m'),1,date('y')));        //2020-03-01 00:00:00
echo date('y-m-d h:i:s', mktime(23,59,59,date('m'),date('t'),date('y'))); //2020-03-31 23:59:59

4.获取上月开始和结束的日期:

echo date("y-m-d h:i:s", mktime(0,0,0,date("m")-1,1,date("y")));    //2020-02-01 00:00:00
echo date("y-m-d h:i:s", mktime(23,59,59,date("m") ,0,date("y")));  //2020-02-29 23:59:59

5.获取本季度开始和结束的日期:

$season = ceil((date('n'))/3);
echo date('y-m-d h:i:s', mktime(0,0,0,$season*3-3+1,1,date('y')));                           //2020-01-01 00:00:00
echo date('y-m-d h:i:s', mktime(23,59,59,$season*3,date('t',mktime(0,0,0,$season*3,1,date("y"))),date('y'))); //2020-03-31 23:59:59

6.获取上季度开始和结束的日期:

$season = ceil((date('n'))/3)-1;//上季度是第几季度
echo date('y-m-d h:i:s', mktime(0,0,0,$season*3-3+1,1,date('y')));                          //2019-10-01 00:00:00
echo date('y-m-d h:i:s', mktime(23,59,59,$season*3,date('t',mktime(0,0,0,$season*3,1,date("y"))),date('y')));//2019-12-31 23:59:59

7.获取本月是第几月:

echo date('n'); //3

8.获取今天是周几:

echo date("w"); //4

9.获取本月总天数:

echo date("t"); //31

 

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