php 常用日期相函数[日期加减，两日期之差,日期转换时间截]-PHP源码-php.cn

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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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Jun 08, 2016 pm 05:29 PM

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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]

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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