PHP中strtotime函数用法
strtotime函数在php中是可以把日志转换成时间戳,他可以方便的让我们对日期时间分秒的计算,下面我来给各位介绍时strtotime函数用法,有需要的同学可参考。
1.获取当前的时间的时间戳!
a.实用strtotime('now');来获取当前的时间戳!(因为PHP当前时间和真是时间相差8小时)
代码如下 | 复制代码 |
1 echo date('Y-m-d H:i:s',strtotime('now')+8*60*60); |
b.你也可以用time() 来直接获取!
代码如下 | 复制代码 |
|
2.获取10天之后的时间戳:
使用方法:
代码如下 | 复制代码 |
1 strtotime("+10 days")+8*60*60 |
输出10天后的日期,便于查看。
代码如下 | 复制代码 |
1 echo date('Y-m-d H:i:s',strtotime("+10 days")+8*60*60); |
结果:2013-04-15 03:15:02
3.获取一周的时间戳:
使用方法:
代码如下 | 复制代码 |
1 strtotime("+1 week")+8*60*60 |
或者你使用上面按天来获取时间戳.写法如:
代码如下 | 复制代码 |
strtotime("+7 days"); |
4.还可以获取指定几周几天几小时几秒来获取时间戳
使用方法:
代码如下 | 复制代码 |
1 strtotime ("+1 week 2 days 4 hours 2 seconds")+8*60*60 |
结果:2013-04-12 07:15:04;
5.获取上周一或者下周四的时间戳:
使用方法:
a.获取上周一的时间戳:
代码如下 | 复制代码 |
1 strtotime ("last Monday")+8*60*60 |
结果:2013-04-01 08:00:00;
b.获取下周四的时间戳
代码如下 | 复制代码 |
1 strtotime ("next Thursday")+8*60*60 |
结果:2013-04-11 08:00:00;
strtotime函数比较两个时间的大小
strtotime()函数对两个固定的时间进行比较,如下:
1):定义两个固定的时间;
2):通过strtotime()函数将固定时间转换成时间戳;
3):对两个时间戳的值进行比较。
其实例代码如下:
代码如下 | 复制代码 |
$time="2012年11月23日15时50时20秒"; |
上面的代码运行结果如下:
时间:2012年11月23日15时50时20秒 早于时间:2013-01-14 09:09:09
它们相差的时间值是:-1358125749

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