Update a session array with jquery / ajax

Question

I have a somewhat theoretical question this time:

The situation (on a PHP website):

members on a website can add cd's to their 'favorite list'
onClick of the like-button, jQuery/ajax ads the cd to the favorite list
another file renews the session array [favCDS]
goal: the user always has his latest clicks updated real time, because live-data is generated from stored arrays)

The question:

Would it be possible to update a SESSION array of personal member values with a function, through a file running on the background, called by and updated through jQuery/ajax?

I imagine it would be updating it all in one file, but I wonder if you guys have any thoughts/ideas on this.

Jordan · Accepted Answer · 2012-08-14 23:17:28Z

1

The PHP session persists even after scripts are finished running, so you don't need a PHP file running in the background on the server.

Example PHP file (called by the ajax function, assuming the ajax function submits a POST request with the CD's id):

update-favorite.php

$_SESSION['favCDS'][] = $_POST['cd-id'];

That way, when the user navigates to a new page, that page can preserve the favorite CDs by accessing this session array and generating HTML accordingly.

edited Aug 14, 2012 at 23:17

answered Aug 14, 2012 at 23:10

Jordan

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3 Comments

KJS Over a year ago

Thank you Jordan! But does this actually add the $_POST['cd-id'] to the $_SESSION['favCDS'][] then?

Jordan Over a year ago

It adds $_POST['cd-id'] to $_SESSION['favCDs'] by means of the array[] = new item operator.

KJS Over a year ago

Thank you so much! You just made things much easier to build and make essential updates easy now. Again: thanks!

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