i need help fixing this please here is the file...... iv put where the error is in red. <?php
include("ch21_include.php");
doDB();
if ((!$_POST["topic_owner"]) || (!$_POST["topic_title"]) ||
(!$_POST["post_text"])) {
header ("location: addtopic.html");
exit;
}
$add_topic = "INSERT INTO forum_topics (topic_title, topic_create_time, topic_owner)
VALUES ('".$_POST["topic_title"]."' ,now(),
'".$_POST["topic_owner"]."')";
$add_topic_res = mysqli_query($mysqli, $add_topic_sql)
or die(mysqli_error($mysqli));
$topic_id = mysqli_insert_id($mysqli);
$add_post_sql = "INSERT INTO forum_posts (topic_id,post_text,
post_create_time, post_owner) VALUES ('".$topic_id."',
'".$_POST["post_text"]."', now(),
'".$_POST["topic_owner"]."')";
$add_post_res = mysqli_query($mysqli, $add_post_sql)
or die(mysqli_error($mysqli));
mysqli_close($mysqli);
$display_block = "<p>The<strong>" .$_POST["topic_title"]."</strong>
topic has been created.</p>";
?>
<html>
<head>
<title>New Topic Added</title>
</head>
<body>
<h1>New Topic Added</h1>
<?php echo $display_block; ?>
</body>
</html>