Generate static pages regularly (PHP and ASP versions)

How to use: On pages with high traffic on the website, usually the homepage, use iframe to call the above code, such as inserting
Reprint address: http://blog.qita.in/?post=327

 Many times, we need to use the function of regularly generating html pages. Brief introduction to the principle: Compare the last modification time of files such as index.html with the current time. When the time difference exceeds a certain interval such as 2 hours, call the relevant page to generate a new page. The original source code is below.

 PHP version of scheduled page generation:

$file = dirname(__FILE__).'/index.html';
$timex=time()-filemtime($file); //Interval time , unit second
if($timex>7200){ //If the interval is greater than 2 hours, regenerate
echo "";
}
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