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Master PHP Sessions: What They Do and How to Start One

If you are an active Internet user, you have probably seen this phrase: Your session has expired. It often shows up when you reopen a page after an extended period of inactivity.

As a result, you don't get automatically logged in, and the functions of a specific webpage are no longer available.

PHP sessions are the reason why data becomes accessible to all webpages of a particular application.

How to get data from session in php

That particular data, now held in the form of variables, is temporarily stored on the server. When you close the window or tab of the browser, the session will be finished.

In this tutorial, we will speak about what PHP sessions are, how they start or end.

We will also get familiar with PHP session variables and understand what PHP $_SESSION means.

PHP Sessions: Main Tips

A session is a method of storing data (using variables) so the browser can use it throughout multiple webpages.
Session variables contain data about the current user.

They are accesible to all pages contained in a single web application.
Session data is not pe