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Thread: [RESOLVED] make variable from ajax-called php doc global?

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  1. #1
    Join Date
    Jun 2011
    Posts
    3

    resolved [RESOLVED] make variable from ajax-called php doc global?

    (this is my first post; I'm inexperienced in both ajax and javascript (but learning!), so I'm sorry if I screwed anything up and if you need more/less info, let me know; thanks!)

    Ok, so I'm trying to get a variable called $active_name to display in index.php as 42. It's changed to that in active_players.php when active_players.php is 'opened' via ajax. That change only stays in active_players.php. When a button is clicked in it, send_invite() is called, which, not being part of active_players.php, has $active_name remain as 24.

    I've excerpted out just the parts that I think you will need to find my error. Please let me know if more information is needed.

    PHP Code:
    //inside index.php
    <?php
    $active_name 
    "24"//if this is taken out, the variable, 'name' in send_invite() ends up being undefined
    ?>


    function reset_active_list()
    {
    loadXMLDoc("active_players.php",function()
    {
      if (xmlhttp.readyState == 4 && xmlhttp.status==200)
        {
          document.getElementById("active_box").innerHTML = xmlhttp.responseText;
        }
    });
    act_li_rst = setTimeout("reset_active_list()",1000);
    }



    function send_invite()
    {
    name = '<? echo $active_name; ?>'; //I want this to be 42, but it's 24

    loadXMLDoc("send_invite.php?name="+name,function()
    {
      if (xmlhttp.readyState==4 && xmlhttp.status==200)
        {
          document.getElementById("top").innerHTML = xmlhttp.responseText;
        }
    });
    }

    PHP Code:
    //inside 'active_players.php'
    <?php
      $active_name 
    "42";//I would like this to become global in index.php
      
    echo $active_name;//it's 42, here of course.
      
    echo "<input type='button' onclick='send_invite()' value='test'/>";
    ?>

  2. #2
    Join Date
    Jun 2011
    Posts
    3
    WHOO! Figured it out!
    PHP Code:
    <input type='button' onclick='send_invite(this.value)' value='test'/> 
    Actually, I did
    PHP Code:
    <div class="whatever" onclick="send_invite(this.title)" title="42">better button</div
    but yeah, I think 42 wasn't passing, since the php document wasn't technically a part of the page. The onclick element handles that, though, so I kept the information in there.

    That probably made no sense, but yeah, ok it works now. Yay.

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