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$_GET not working

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I am working on a cms site but I am having trouble with retrieving some info by id. I followed a tutorial on youtube and my code looks correct but my ID string is empty. Any help would be greatly appreciated.

Class with functions

class Article {
    public function fetch_all(){
        global $pdo;

        $query= $pdo->prepare("SELECT * FROM article");
        return $query->fetchAll();
    public function fetch_data($article_id)
        global $pdo;
        $query = $pdo->prepare("SELECT * FROM article WHERE article_id =?");
        $query->bindValue(1, $article_id);
        return $query->fetch();


Call to functions


$article = new Article;

var_dump($_GET, $_POST);

if (isset($_GET['id'])){
    $id = $_GET['id'];
    $data = $article->fetch_data($id);


When I var_dump the get and post I get array(0) { } array(0) { }. fetch all works great but fetch data does not and I am not sure where the post id is pulling from since there isn't a prior connection. 

Thank You,


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Posted (edited)

$_GET and $_POST are a function of your HTML form and/or URL. You didn't post any of that.

P.S. Please use the code (<>) icon and select the proper type for your PHP and/or HTML.

Edited by gw1500se

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The var dump results are because you don't have anything in those arrays.   Did you get to this script via a web page that contained a form of yours or a url that used any parms?  If you didn't, then you don't have any input to retrieve from $_GET or $_POST    Why did you expect anything there?

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