php 求自动执行代码的思路和方法
目前我想实现的功能如下：
我有一个订单，每个订单都有时间，但是需要将过期订单的状态值修改掉
过期的依据就是今天之前的所有订单都视为过期
我大概的思路是在每天的零点或之后执行代码，将之前的订单状态值修改掉，但是不知道具体应该怎么去实现
希望大家帮忙，提供一下思路或方法
------解决方案--------------------
先写好你的脚本 然后让服务器每天定时去执行这个脚本中方法就行了
------解决方案--------------------
写一段php代码，目的是你说的我有一个订单，每个订单都有时间，但是需要将过期订单的状态值修改掉
之后给你服务器定点执行这个文件就ok的，是不知道怎么写代码么？还是什么？
------解决方案--------------------
windows server 定时任务 和linux的crontab一样
http://blog.csdn.net/usherhll/article/details/6681205
写一个php脚本去批量修改过期订单
找到php.exe 用php.exe 0点之后执行这个脚本 over
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