Get ID from HTML form - PHP

Question

I've a html form for get Id from visitor

<form action="show.php" method="post">
 <p>Your id: <input type="text" name="id" /></p>
 <p><input type="submit" /></p>
</form>

and the php file for act this .

<?php
$id = ((int)$_GET["id"]);
$con=mysql_connect('localhost','user','pass');
mysql_select_db('dbname',$con);
$query="SELECT * FROM `users` WHERE id = '$id'";
$select=mysql_query($query);
while($row=mysql_fetch_array($select)){
echo $row['name'];
}
mysql_close($con);

?>

but it's not working , can't read id , pelase help me for resolve this issue

Thank you

Answer 1

You are submitting data via POST. Thats defined by the attribute "method" within your form tag:

<form action="show.php" method="post">

So data will not be stored in $_GET but in $_POST.

So to access the ID use $_POST['id'] not $_GET['id']