Regularly generate static pages (PHP and ASP)

Regularly generate static pages (PHP and ASP)

Usage: when the website traffic is high, you can call the above code on the homepage using iframe, such as inserting Reprint address: http://blog.qita.in /? Posting = 327 Most of the time, we need to use the function of generating html pages on a regular basis. The principle is to compare the last modification time of a file, such as index.html, with the current time. when the time difference exceeds a certain interval, for example, 2 hours, call the relevant page to generate a new page. The source code is as follows. On the regular Generation page of the PHP version: $ File = dirname (_ FILE _). '/index.html '; $ Timex = time ()-filemtime ($ file); // interval, in seconds If ($ timex> 7200) {// interval greater than 2 hours, regenerate Echo"