SPOILER! Kattints ide a szöveg elolvasásához!
<?php
session_start();
include 'mysql.php';
$leagueid = $_SESSION['leagueid'];
$result = mysqli_query($con, "SELECT registered FROM leagues WHERE id='$leagueid'");
while ($row = mysqli_fetch_array($result)) {
$registered = $row['registered']+1;
$sql = mysqli_query($con, "UPDATE leagues SET registered='$registered' WHERE id='$leagueid'");
if (!mysqli_query($con,$sql)) {
die('Error: ' . mysqli_error($con));
echo $registered;
}else{
header("Location: index.php");
}
}
?>