Change value of PHP variable with AJAX

Question

The PHP:

The HTML:

Answer 1

Storing the View in the session, will keep the site displaying this view until the user closes the browser and ends the session, the session expires or they change the view again.

The include that sets mainView

// the ajax script that sets the mainView

the javascript link for ajax

ajaxURL='ajax.php?mainView=otherDasboard';

you may also want to check for empty session variable and that the file exists before setting it