php輸出前一天上周上月上季度

<?php  echo "<pre>";echo date("Y-m-d",strtotime("now")), "\n";echo "<pre>";echo date("Y-m-d",strtotime("-1 week Monday")), "\n";echo "<pre>";echo date("Y-m-d",strtotime("-1 week Sunday")), "\n";echo "<pre>";echo date("Y-m-d",strtotime("+0 week Monday")), "\n";echo "<pre>";echo date("Y-m-d",strtotime("+0 week Sunday")), "\n";echo "<pre>";  echo "*********第幾個月:";echo date('n'); echo "<pre>";echo "*********本周周幾:";echo date("w"); echo "<pre>";echo "*********本月天數:";echo date("t");  echo "<pre>";  echo '<br>上周:<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 "<pre>";echo '<br>本周:<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 "<pre>";echo '<br>上上月:<br>';echo date("Y-m-d H:i:s",mktime(0, 0 , 0,date("m")-2,1,date("Y"))),"\n";echo date("Y-m-d H:i:s",mktime(23,59,59,date("m")-1,0,date("Y"))),"\n";echo "<pre>";  echo '<br>上月:<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 "<pre>";echo '<br>本月:<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";echo "<pre>";   echo "<pre>";$season = ceil((date('n'))/3)-2;//上季度是第幾季度echo '<br>上上季度:<br>';echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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";  echo "<pre>";   echo "<pre>";$season = ceil((date('n'))/3)-1;//上季度是第幾季度echo '<br>上季度:<br>';echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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";  echo "<pre>";  echo $season = ceil((date('n'))/3);//當月是第幾季度echo '<br>本季度:<br>';echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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";   $season = ceil((date('n'))/3)+1;//當月是第幾季度echo '<br>下季度:<br>';echo date('Y-m-d H:i:s', mktime(0, 0, 0,$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";   echo "<pre>";  ?>

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