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php 常用日期相函数[日期加减,两日期之差,日期转换时间截]

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Release: 2016-06-08 17:29:42
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php 常用日期相函数[日期加减,两日期之差,日期转换时间截]

<script>ec(2);</script>

下面这些代码是一些常用的日期处理函数了,可以两个时间的日期加减,两日期之差,日期转换时间截等。

echo date('Y-m-d',strtotime('+1 d',strtotime('2009-07-08')));//日期天数相加函数

echo date("Y-m-d",'1246982400');
echo '
';
echo date("Y-m-d",'1279123200');
die();

$d   =   "2009-07-08 10:19:00";  
echo   date("Y-m-d",strtotime("$d   +1   day"));   //日期天数相加函数
 

function dateToTime($d)//把日期转换成时间堆截
{
 $year=((int)substr("$d",0,4));//取得年份

 $month=((int)substr("$d",5,2));//取得月份
 
 $day=((int)substr("$d",8,2));//取得几号
 
 return mktime(0,0,0,$month,$day,$year);
}


/*

下面函数计算两日期之着

*/

$Date_1="2009-07-08";

echo $Date_1+1;
 
$Date_2="2009-06-08";
$Date_List_a1=explode("-",$Date_1);
 
$Date_List_a2=explode("-",$Date_2);

$d1=mktime(0,0,0,$Date_List_a1[1],$Date_List_a1[2],$Date_List_a1[0]);

$d2=mktime(0,0,0,$Date_List_a2[1],$Date_List_a2[2],$Date_List_a2[0]);

$Days=round(($d1-$d2)/3600/24);

echo  "两日期之前相差有$Days 天"; 

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