PHP 날짜 예 : 지난 주, 이번 주, 지난 달, 이번 달, 이번 분기, 마지막 분기 받기

例子，php获取上周，本周，上月，本月，本季度，上季度。

date_default_timezone_set('PRC');
date("Y-m-d H:i:s", strtotime("  2 year"));
date("Y-m-d H:i:s", strtotime("  2 month"));
date("Y-m-d H:i:s", strtotime("  2 week"));
date("Y-m-d H:i:s", strtotime("  2 day"));
date("Y-m-d H:i:s", strtotime("  2 hour"));
date("Y-m-d H:i:s", strtotime("  2 minute"));
date("Y-m-d H:i:s", strtotime("  2 second"));

echo date("Ymd",strtotime("now")), "n";
echo date("Ymd",strtotime("-1 week Monday")), "n";
echo date("Ymd",strtotime("-1 week Sunday")), "n";
echo date("Ymd",strtotime(" 0 week Monday")), "n";
echo date("Ymd",strtotime(" 0 week Sunday")), "n";

echo "*********第几个月:";
echo date('n');
echo "*********本周周几:";
echo date("w");
echo "*********本月天数:";
echo date("t");
echo "*********";

echo '上周:';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("w") 1-7,date("Y"))),"n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("d")-date("w") 7-7,date("Y"))),"n";
echo '本周:';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),date("d")-date("w") 1,date("Y"))),"n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("d")-date("w") 7,date("Y"))),"n";

echo '上月:';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m")-1,1,date("Y"))),"n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m") ,0,date("Y"))),"n";
echo '本月:';
echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m"),1,date("Y"))),"n";
echo date("Y-m-d H:i:s",mktime(23,59,59,date("m"),date("t"),date("Y"))),"n";

$season = ceil((date('n'))/3);//当月是第几季度

echo '本季度:';
echo date('Y-m-d H:i:s', mktime(0, 0, 0,$season*3-3 1,1,date('Y'))),"n";
echo date('Y-m-d H:i:s', mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y'))),"n";

$season = ceil((date('n'))/3)-1;//上季度是第几季度

echo '上季度:';
echo date('Y-m-d H:i:s', mktime(0, 0, 0,$season*3-3 1,1,date('Y'))),"n";
echo date('Y-m-d H:i:s', mktime(23,59,59,$season*3,date('t',mktime(0, 0 , 0,$season*3,1,date("Y"))),date('Y'))),"n";
?>