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例子，php获取上周，本周，上月，本月，本季度，上季度。
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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"));
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- 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";
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- 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 "*********";
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- 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";
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- 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";
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- $season = ceil((date('n'))/3);//当月是第几季度
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- echo '
本季度:
';
- echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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";
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- $season = ceil((date('n'))/3)-1;//上季度是第几季度
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- echo '
上季度:
';
- echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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";
- ?>
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