Question

I have this website where I can interact with the web both as a logged or anonymus user. When I click a link I call an ajax function:

you click here:

<a id="alcrearuta" class="'.$row->urlamigable.'" href="#">añadir a ruta</a>

This is my ajax function:

var valor=$("#alcrearuta").attr('class');
$("#alcrearuta").click(function(){
    $.ajax({
        type: "GET",
        url: "../ajax/ruta.php",
        data: "urlamigable=" + valor,
        dataType: 'html',
        success: function(data) {
            $("#listaruta").html(data);
        }
    });        
});

The thing is I have two possibilities: either a logged user clicks the link and the ruta.php does its stuff on the database considering the userid that’s set in the session or I have an anonymous user that wants to do something similar.

In my ruta.php I have:

if(!empty($_SESSION['Username'])){
    //Insert stuff on DB
}else{
    //I wish I could create the session here but I can't since it's an ajax call
}

What I need is at some point between the click in the link and the end of the ajax function I can set my $SESSION[‘Username’] variable to get a new value (since the user it’s not logged in, it’s currently empty and thus my inserts on the database not working)

Answer 1

if you want to use sessions in php, your php script (ruta.php) schould start with

session_start();

from that point you can assign any variable to $_SESSION[‘Username’]

$_SESSION['Username'] = something_to_generate_a_Username;

Just like any other server request.