Paul needs help!
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I keep getting the following error when ever i try using the $POST and $GET variables in php: Notice: Undefined index: submit in C:\wamp\www\phpexamplepages\ratingsystem\rate.php on line 18 I have tried using the 'isset' function... which does get rid of the error message, but doesn't really fix the problem. I am experiencing this error message in both xammp and wamp. I don't know what im doing wrong. I have been following a tutorial on youtube and i have produced the exact same code as what is taught in the tutorial and for some reason it just isn't working as it does in the tutorial i have been watching. Can you help please? Here is the code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled Document</title> </head> <body> <?php //ob_start(); include 'connect.php'; $id = ($_GET['id']); //process submissionsss if ($_POST['submit']) { // get data $id_post = $_POST['id']; $rating_post = $_POST['rating']; $get = mysql_query("SELECT * FROM animals WHERE id='$id_post'"); $get = mysql_fetch_assoc($get); $get = $get['rating']; $newrating = ($get + $rating_post)/2; $update = mysql_query("UPDATE animals SET rating='$newrating' WHERE id='$id_post'"); header("Location: index.php"); } ?> <form action="rate.php" method="POST"> choose rating: <br/> <select name="ratings"> <option>1</option> <option>2</option> <option>3</option> <option>4</option> <option>5</option> </select> <input type="hidden" name="id" value="<?php echo $id; ?>"> <p/> <input type="submit" name="submit" value="rate"> </form> </body> </html>