php日历代码 php实现的高效日历代码

原创: 2016-07-25 08:56:05 1722浏览

/*
* php日历功能
* edit: bbs.it-home.org
*/
@date_default_timezone_set('RPC');
function show_calender(){
$starttime=microtime();
//处理请求日期
$y= isset($_GET["y"]) ? intval($_GET["y"]) : date("Y");
$m= isset($_GET["m"]) ? intval($_GET["m"]) : date("m");
if($m12)$m=date("m");
if($y
//下个月
$nm=$m+1;
if($nm>12){
$nm=1;
$ny=$y+1;
}else{
$ny=$y;
}
//前一月
$pm=$m-1;
if($pm $pm=12;
$py=$y-1;
}else{
$py=$y;
}
//获取本月名称
$month = date("M",mktime(0, 0, 0, $m, 1, $y));
//获取本月最后一天
$lastday = date("d",mktime(0, 0, 0, $nm, 0, $ny));
//获取开始一天的星期几
$index = date("w",mktime(0, 0, 0, $m, 1, $y));
//生成日历头
echo "\n\n";
//处理日历
$row=0;
$day=1;
while(1){
echo "
";
if($row==0){
for($i=0;$i if($i echo "
";
else
echo "
";
}else{
for($i=0;$i if($day>$lastday)
echo "
";
else
echo "
";
}
echo "
";
$row++;
if($day>$lastday)break;
}
echo "
- {$y} {$month} +
日一二三四五六
".$day++." ".$day++."
";
$endtime=microtime();
$usedtime=$endtime-$starttime;
return $usedtime;
}
$run_info=array();
for($i=0;$i $run_info[]=show_calender();
print_r($run_info);
?>

复制代码

测试结果：

Array ( [0] => 0.00038400000000005 [1] => 0.00030999999999998 [2] => 0.00029699999999999 [3] => 0.000303 [4] => 0.00030399999999997 [5] => 0.00034499999999998 [6] => 0.00032300000000002 [7] => 0.00033 [8] => 0.00032699999999997 [9] => 0.00032000000000004 )

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