Code example of how to display the start/end timestamps of today, this month, last month, and this year in PHP

PHPDisplay the starting/end point of today, this month, last month, and this yearTime stamp code, friends who need it can refer to it.

$t = time(); 
$t1 = mktime(0,0,0,date(“m”,$t),date(“d”,$t),date(“Y”,$t)); 
$t2 = mktime(0,0,0,date(“m”,$t),1,date(“Y”,$t)); 
$t3 = mktime(0,0,0,date(“m”,$t)-1,1,date(“Y”,$t)); 
$t4 = mktime(0,0,0,1,1,date(“Y”,$t)); 
$e1 = mktime(23,59,59,date(“m”,$t),date(“d”,$t),date(“Y”,$t)); 
$e2 = mktime(23,59,59,date(“m”,$t),date(“t”),date(“Y”,$t)); 
$e3 = mktime(23,59,59,date(“m”,$t)-1,date(“t”,$t3),date(“Y”,$t)); 
$e4 = mktime(23,59,59,12,31,date(“Y”,$t)); 
//测试 
echo date(“当前 Y-m-d H:i:s”,$t).” $t<br>”; 
echo date(“今天起点 Y-m-d H:i:s”,$t1).” $t1<br>”; 
echo date(“今月起点 Y-m-d H:i:s”,$t2).” $t2<br>”; 
echo date(“上月起点 Y-m-d H:i:s”,$t3).” $t3<br>”; 
echo date(“今年起点 Y-m-d H:i:s”,$t4).” $t4<br>”; 
//测试 
echo date(“今天终点 Y-m-d H:i:s”,$e1).” $e1<br>”; 
echo date(“今月终点 Y-m-d H:i:s”,$e2).” $e2<br>”; 
echo date(“上月终点 Y-m-d H:i:s”,$e3).” $e3<br>”; 
echo date(“今年终点 Y-m-d H:i:s”,$e4).” $e4<br>”;

Results:
Current 2011-05-24 15:42:55 1306222975
Today’s starting point 2011-05-24 00:00:00 1306166400
This month’s starting point 2011-05-01 00:00:00 1304179200
Last month’s starting point 2011-04-01 00:00:00 1301587200
This year’s starting point 2011-01-01 00:00:00 1293811200
Today’s end point 2011-05-24 23 :59:59 1306252799
This month’s end point 2011-05-31 23:59:59 1306857599
Last month’s end point 2011-04-30 23:59:59 1304179199
This year’s end point 2011-12-31 23: 59:59 1325347199

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