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This article is about how php can prevent session failures. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Php methods to prevent session failure: 1, create a PHP sample file; 2, execute the "$_ SESSION ['refresh'] = rand ();" code.

This article operating environment: Windows7 system, PHP7.4 version, Dell G3 computer.

A simple method for PHP to prevent session expiration

Recently, it is really frustrating for some users to report that they have been working hard for hours to submit an article only to be told that they need to log in again. I think this is because the session has expired. So js timer is used to solve this problem.

The js code is as follows:

SetInterval (function () {jQuery.get ("/ plugin.php?id=xxxxxx:refresh", function (data,status) {});}, 2000)

In fact, there is no need to execute once every two seconds, only 15 minutes. To prevent browser caching, you can add a random parameter to the path.

The code in the php page that executes is as follows:

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