switch ($exchange_time) {
case 1 : // 本月
// 本月起始時間:
$begin_time = date ( "Y-m-d H:i:s", mktime ( 0, 0, 0, date ( "m" ), 1, date ( "Y" ) ) );
$end_time = date ( "Y-m-d H:i:s", mktime ( 23, 59, 59, date ( "m" ), date ( "t" ), date ( "Y" ) ) );
$monthstart=strtotime(date('Y-m-t', strtotime(date('Y-m-01'))-86400)); //獲取上月最後一天
$monthend=strtotime(date('Y-m-01', strtotime(date('Y-m-t'))+86400)); //獲取下月第一天
break;
case 2 : // 上個月
// 上個月的起始時間:
$begin_time = date('Y-m-01 00:00:00',strtotime('-1 month'));
$end_time = date("Y-m-d 23:59:59", strtotime(-date('d').'day'));
break;
case 3 : // 上上個月
$begin_time = date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m")-2,1,date("Y")));
$end_time = date("Y-m-d H:i:s",mktime(23,59,59,date("m")-1 ,0,date("Y")));
break;
}
上個月第一天:
echo date('Y-m-d', strtotime(date('Y-m-01') . ' -1 month')); // 計算出本月第一天再減一個月
上個月最後一天:
echo date('Y-m-d', strtotime(date('Y-m-01') . ' -1 day')); // 計算出本月第一天再減一天
echodate("Ymd",strtotime("now")),"\n";
echodate("Ymd",strtotime("-1 week Monday")),"\n";
echodate("Ymd",strtotime("-1 week Sunday")),"\n";
echodate("Ymd",strtotime("+0 week Monday")),"\n";
echodate("Ymd",strtotime("+0 week Sunday")),"\n";
echo"*********第幾個月:";
echodate('n');
echo"*********本週周幾:";
echodate("w");
echo"*********本月天數:";
echodate("t");
echo"*********";
echo'<br>上週起始時間:<br>';
echodate("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("w")+1-7,date("Y"))),"\n";
echodate("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("d")-date("w")+7-7,date("Y"))),"\n";
echo'<br>本週起始時間:<br>';
echodate("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("w")+1,date("Y"))),"\n";
echodate("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("d")-date("w")+7,date("Y"))),"\n";
echo'<br>上月起始時間:<br>';
echodate("Y-m-d H:i:s",mktime(0, 0 , 0,date("m")-1,1,date("Y"))),"\n";
echodate("Y-m-d H:i:s",mktime(23,59,59,date("m") ,0,date("Y"))),"\n";
echo'<br>本月起始時間:<br>';
echodate("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),1,date("Y"))),"\n";
echodate("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("t"),date("Y"))),"\n";
$season= ceil((date('n'))/3);//當月是第幾季度
echo'<br>本季度起始時間:<br>';
echodate('Y-m-d H:i:s',mktime(0, 0, 0,$season*3-3+1,1,date('Y'))),"\n";
echodate('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'))),"\n";
$season= ceil((date('n'))/3)-1;//上季度是第幾季度
echo'<br>上季度起始時間:<br>';
echodate('Y-m-d H:i:s',mktime(0, 0, 0,$season*3-3+1,1,date('Y'))),"\n";
echodate('Y-m-d H:i:s',mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$seas))