How to remove PHP $_SESSION with AJAX?

Question

I have an array within a PHP Session variable which I need to remove via AJAX.

This is how I do it:

HTML:

<a href="#" onclick="delete_pix(false, '1', false, '1.jpg');">remove</a>`

JavaScript:

function delete_pix(id, no, hash, plupload){
$.post("/remove.php",{ 
    id: id, 
    no: no, 
    h: hash, 
    pl: plupload
}); 
}

remove.php

unset($_SESSION['files']);
error_log(print_r($_SESSION, 1).'test');

Unfortunately this does not work. The file remove.php does not have access to the session. print_r($_SESSION) does not output any values.

Thank you in advance on any help on this.

are you saying that you want to remove 'superglobal', or automatic global, variable. ? php.net/manual/en/reserved.variables.session.php — llamerr
– llamerr, Commented Mar 14, 2016 at 15:48
@llamerr — Looks more like a value in the session array, not the array itself. — Quentin
– Quentin, Commented Mar 14, 2016 at 15:49
php.net/manual/en/function.error-reporting.php and look at your console. — Funk Forty Niner
– Funk Forty Niner, Commented Mar 14, 2016 at 15:51
To answer this question you need to post what $_SESSION['files'] looks like before. Also, as Quentin pointed out, you need session_start(). — Tim Hysniu
– Tim Hysniu, Commented Mar 14, 2016 at 15:52

JeuryInc · Accepted Answer · 2016-03-14 21:15:53Z

1

In your funtion on php you need call the method session_start(); and later session_unset($_SESSION['nameOfSession']); this will erase your session.

answered Mar 14, 2016 at 21:15

JeuryInc

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