php的各种时间查询

来源：互联网发布：mac怎么下载土豆视频编辑：程序博客网时间：2024/06/05 07:47
    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 '<br>上周起始时间:<br>';    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 '<br>本周起始时间:<br>';    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 '<br>上月起始时间:<br>';    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 '<br>本月起始时间:<br>';    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";     $season = ceil((date('n'))/3);//当月是第几季度    echo '<br>本季度起始时间:<br>';    echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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";     $season = ceil((date('n'))/3)-1;//上季度是第几季度    echo '<br>上季度起始时间:<br>';    echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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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