php this week this month last week last month time php date_PHP tutorial

cho 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";

//date('n') 第几个月
//date("w") 本周周几
//date("t") 本月天数

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";

$getMonthDays = date("t",mktime(0, 0 , 0,date('n')+(date('n')-1)%3,1,date("Y")));//本季度未最后一月天数
echo '
本季度:
';
echo date('Y-m-d H:i:s', mktime(0, 0, 0,date('n')-(date('n')-1)%3,1,date('Y'))),"n";
echo date('Y-m-d H:i:s', mktime(23,59,59,date('n')+(date('n')-1)%3,$getMonthDays,date('Y'))),"n";

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http://www.bkjia.com/PHPjc/478344.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/478344.htmlTechArticlecho 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 dat...