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php 日期相差天数处理函数

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Release: 2016-06-08 17:28:56
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<script>ec(2);</script>

我们搞开发时,经常碰到要把一个时间的与另一个时间相加减是吧,下面我来为各位朋友推荐二个php 日期相差天数处理函数吧。

第一种:
function count_days($a,$b){
 $a_dt=getdate($a);
 $b_dt=getdate($b);
 $a_new=mktime(12,0,0,$a_dt['mon'],$a_dt['mday'],$a_dt['year']);
 $b_new=mktime(12,0,0,$b_dt['mon'],$b_dt['mday'],$b_dt['year']);
 return round(abs($a_new-$b_new)/86400);
}
//今天与2008年10月11日相差多少天
$date1=strtotime(time());
$date1=strtotime('10/11/2008');
$result=count_days($date1,$date2);
echo $result;
?>


第二种:
//今天与2008年9月9日相差多少天
$Date_1=date("Y-m-d");
$Date_2="2008-10-11";
$d1=strtotime($Date_1);
$d2=strtotime($Date_2);
$Days=round(($d2-$d1)/3600/24);
echo "今天与2008年10月11日相差".$Days."天";
?>

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