[PHP]：具有日期差异的逻辑

问题描述

我正在寻求一个优雅的解决方案，根据现在之间的时间长度和数据库中的ISO格式日期来更改时间格式。

I 'd喜欢输出看起来像这样

  //少于一个小时
'X分钟已经过去了'
 //少于24小时
'X小时已经通过'
 //大于24小时
 ISO日期
  / pre> 
 
 
这是我到目前为止... 
  $ now = date（omd H：i：s）// now =像'2009-12-28 16:39:00'
 
 $ dateExample ='2009-12 16： 37:00'
 
 $ timeSpan = round（strtotime（$ now） -  strtotime（$ dateExample））; 
 
 if（（$ timeSpan / 60）< = 60）
 {
 echo $ timeSpan。minutes; 
} 
 if（（$ timeSpan /（60 * 60））< = 24）
 {
 echo（$ timeSpan /（60 * 60）） ; 
} 
 else 
 {
 echo $ dateExample; 
} 
  
如果语句真的困扰着我，我似乎无法想象出一个更好的方式来做... 
解决方案
这是我最后做的事情。 b 
 $ b 
  $ now = date（omd H：i：s）; 
 
 $ timeSpan = round（strtotime（$ now） -  strtotime（$ lastCheckIn））; 
 
 $ minuteCheck = round（$ timeSpan / 60）; 
 $ hourCheck = round（$ timeSpan /（60 * 60））; 
 
 if（$ minuteCheck  {
 echo $ minuteCheck。minutes; 
} 
 else if（$ hourCheck< = 24）
 {
 echo $ hourCheck。hours; 
} 
 else 
 {
 echo $ lastCheckIn; 
} 
  
整个分钟/小时检查真的使IMO更加清晰IMO 
 
I'm seeking an elegant solution to change the format of time based on the length of time between now, and a ISO formated date in a DB.
I'd like the output to look something like this
//less than an hour
'X minutes have gone by'
//less than 24 hours
'X hours have gone by'
//greater than 24 hours
ISO date
Here is what I have so far...
$now = date("o-m-d H:i:s")  //now = something like '2009-12-28 16:39:00'

$dateExample = '2009-12 16:37:00'

$timeSpan = round(strtotime($now) - strtotime($dateExample));

if(($timeSpan/60)<=60)
{
  echo $timeSpan." minutes";
}
if(($timeSpan/(60*60))<=24)
{
  echo ($timeSpan/(60*60))." Hours";
}
else
{
  echo $dateExample;
}
The sloppy if statements are really bothering me and I can't seem to figure out a better way to do it....
 解决方案 
Here is how I ended up doing it.
$now = date("o-m-d H:i:s");

$timeSpan = round(strtotime($now) - strtotime($lastCheckIn));

$minuteCheck = round($timeSpan/60);
$hourCheck   = round($timeSpan/(60*60));

if($minuteCheck<=60)
{
  echo $minuteCheck." minutes";
}
else if($hourCheck<=24)
{
    echo $hourCheck." hours";
}
else
{
    echo $lastCheckIn;
}
The whole minute/hour check really makes it much more clear IMO
                        
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