php获取时间代码小结分享
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2022-03-27 21:21:00
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本文主要和大家分享php获取时间代码小结,希望能让小伙伴们对php获取时间有一个更深的理解和掌握。
<?php 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>上周特定周几</br>'; echo date('Y-m-d',strtotime('-1 monday', $time)); 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"; //从第几周找出该周的开始日期和结束日期 $dayNumber = date('W') * 7; $weekDayNumber = date("w", mktime(0, 0, 0, 1, $dayNumber, date("Y")));//当前周的第几天 $startNumber = $dayNumber - $weekDayNumber; echo date("Y-m-d", mktime(0, 0, 0, 1, $startNumber + 1, date("Y")));//开始日期 echo date("Y-m-d", mktime(0, 0, 0, 1, $startNumber + 7, date("Y")));//结束日期 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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