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PHP定时执行任务的实现

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Release: 2016-05-25 17:13:09
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用到的函数  ignore_user_abort(),set_time_limit(0),sleep($interval) 
此代码只要运行一次后关闭浏览器即可。 
不知道能程序的性能会不会影响很大! 

ignore_user_abort();//关掉浏览器,PHP脚本也可以继续执行.
set_time_limit(0);// 通过set_time_limit(0)可以让程序无限制的执行下去
$interval=60*30;// 每隔半小时运行
do{
    //这里是你要执行的代码    
    sleep($interval);// 等待5分钟
}while(true);
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