Round datetime到最后一小时 [英] Round datetime to last hour

问题描述

我在MySQL数据库中有datetime值，必须是

示例，所有这些值：

2013-04-20 07:14:42

2013-04-20 07:19:51

2013-04-20 07:37:26

2013-04-20 07:46:28

2013-04-20 07:59:44

应该向下舍入：

2013-04-20 07:00:00

和

2013-04-20 16:25:34

应该是：

2013- 04-20 16:00:00等...

获取日期值的PHP代码：

  $ d = strtotime（$ row [date]）; 
  

那么，如何舍去datetime值呢？

解决方案

尝试这个，

  $ date =2013-04-20 16:25:34; 
 echo date（Y-m-d H：00：00，strtotime（$ date））; 
  

CodePad演示

I tried to look for this but I could not find good example of this what im trying to do.

I got datetime values in MySQL database that has to be rounded down when that value is on use.

Example, all these values:

2013-04-20 07:14:42
2013-04-20 07:19:51
2013-04-20 07:37:26
2013-04-20 07:46:28
2013-04-20 07:59:44

Should be rounded down to:

2013-04-20 07:00:00

And

2013-04-20 16:25:34

should be:

2013-04-20 16:00:00 etc...

PHP code that gets date value:

$d = strtotime($row["date"]);

So, how its possible to round down datetime value?

解决方案

Try this,

$date = "2013-04-20 16:25:34"; 
echo date("Y-m-d H:00:00",strtotime($date));

CodePad Demo.

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