Hey guys!
I have got an error when trying to do a php forum, which is an undefined variable $act = $_GET[‘act’]; but I do have a form below, that is outputing the name called act, which should work. I have also done an isset statement and I think the value is not set but not sure how to fix this: At the moment, my screen looks like this:
This is my code:
<?php
include_once 'header.php';
include_once 'includes/dbh.php';
$action = $_GET['act'];
$actions_array = array('forum');
?>
<!DOCTYPE html>
<html>
<head>
<title>PianoCourse101 Forum</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<center>
<div id="holder">
<div id="userInfo">
<?php
if($_SESSION['u_uid']) {
$sql = "SELECT * FROM users WHERE user_uid = ?;";
$stmt = mysqli_stmt_init($conn);
if(!mysqli_stmt_prepare($stmt, $sql)) {
echo "SQL error";
} else {
mysqli_stmt_bind_param($stmt, "s", $_SESSION['u_uid']);
mysqli_stmt_execute($stmt);
$result = mysqli_stmt_get_result($stmt);
$resultCheck = mysqli_num_rows($result);
}
}
if ($resultCheck == 0) {
session_destroy();
echo "<div class='forum_main_welcome'>Please <a href=\"./includes/login.php\">Login</a> to your account, or <a href=\"./signup.php\">Register</a> a new account \n</div>";
} else {
$row = mysqli_fetch_assoc($result);
echo "<div class='forum_main_welcome'><h4>Welcome back, <a href=\"./forum_main.php?act=profile&id=".$row['user_id']."\">".$row['user_uid']."</a>!</h4></div>";
if($row['admin'] == 1) {
echo "<div class='forum_main_welcome'><h4><a href=\"./administrator.php\">Administrative Section</a></h4></div>\n";
} else {
echo "<div class='forum_main_welcome'>Please <a href=\"./login.php\">Login</a> to your account or <a href=\"./signup.php\"register a new account\n</div>";
}
}
?>
</div>
<div id="content">
<?php
if(!$action || !in_array($action, $actions_array)) {
$admin = $row['admin'] + 1;
$sql2 = "SELECT * FROM forum_cats WHERE admin < ?;";
$stmt = mysqli_stmt_init($conn);
if(!mysqli_stmt_prepare($stmt, $sql2)) {
echo "SQL error";
} else {
mysqli_stmt_bind_param($stmt, "s", $admin);
mysqli_stmt_execute($stmt);
$result2 = mysqli_stmt_get_result($stmt);
$i=1;
while ($row2 = mysqli_fetch_assoc($result2)) {
echo "<div id=\"fcontent\">\n";
echo "<div class=\"header\" id=\"header_".$i."\" onMouseOver=\"this.className='headerb'\" onMouseOut=\"this.className='header'\">".$row2['name']."</div>\n";
$id = $row2['id'];
$sql3 = "SELECT * FROM forum_sub_cats WHERE cid = ? AND admin < ?;";
$stmt = mysqli_stmt_init($conn);
if(!mysqli_stmt_prepare($stmt, $sql3)) {
echo "SQL error";
} else {
mysqli_stmt_bind_param($stmt, "ii", $id, $admin);
mysqli_stmt_execute($stmt);
$result3 = mysqli_stmt_get_result($stmt);
while ($row3 = mysqli_fetch_assoc($result3)) {
echo "<div id=\"content\">\n";
echo "<a href=\"./forum_main.php?act=forum&id=".$row3['id']."\">".$row3['name']."</a>\n";
echo " ".$row3['des']."\n";
echo "</div>\n";
}
echo "</div>\n";
$i++;
}
}
}
}
?>
</div>
</div>
</center>
</body>
</html>
