Dear Friends,
I have a reply form which writes to database, however it gives an error
posted below.
Guidance, please.
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Error when I keep op like 'op'
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Notice: Undefined index: op in
\\premfs15\sites\pre15\mrbupeace\webroot\replytopost.php on line 7
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error when I keep op like op without inverted comma's gives two different
errors
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Notice: Use of undefined constant op - assumed 'op' in
\\premfs15\sites\pre15\mrbupeace\webroot\replpost.php on line 7
Notice: Undefined index: op in
\\premfs15\sites\premium15\mrbushforpeace\webroot\replytopost.php on line 7
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Code of the script
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<?php
//connect to server and select database; we'll need it soon
$conn = mysql_connect("orf-kster.com", "mr", "p") or die(mysql_error());
mysql_select_db("mr",$conn) or die(mysql_error());
//check to see if we're showing the form or adding the post
if ($_POST['op'] != "addpost") {
// showing the form; check for required item in query string
if (!$_GET['post_id']) {
header("Location: topiclist.php");
exit;
}
//still have to verify topic and post
$verify = "select ft.topic_id, ft.topic_title from forum_posts as fp left
join forum_topics as ft on fp.topic_id = ft.topic_id where fp.post_id =
$_GET[post_id]";
$verify_res = mysql_query($verify, $conn) or die(mysql_error());
if (mysql_num_rows($verify_res) < 1) {
//this post or topic does not exist
header("Location: topiclist.php");
exit;
} else {
//get the topic id and title
$topic_id = mysql_result($verify_res,0,'topic_id');
$topic_title = stripslashes(mysql_result($verify_res,
0,'topic_title'));
print "
<html>
<head>
<title>Post Your Reply in $topic_title</title>
</head>
<body>
<h1>Post Your Reply in $topic_title</h1>
<form method=post action=\"$_SERVER[PHP_SELF]\">
<p><strong>Your E-Mail Address:</strong><br>
<input type=\"text\" name=\"post_owner\" size=40 maxlength=150>
<P><strong>Post Text:</strong><br>
<textarea name=\"post_text\" rows=8 cols=40 wrap=virtual></textarea>
<input type=\"hidden\" name=\"op\" value=\"addpost\">
<input type=\"hidden\" name=\"topic_id\" value=\"$topic_id\">
<P><input type=\"submit\" name=\"submit\" value=\"Add Post\"></p>
</form>
</body>
</html>";
}
} else if ($_POST[op] == "addpost") {
//check for required items from form
if ((!$_POST['topic_id']) || (!$_POST['post_text']) ||
(!$_POST['post_owner'])) {
header("Location: topiclist.php");
exit;
}
//add the post
$add_post = "insert into forum_posts values ('', '$_POST[topic_id]',
'$_POST[post_text]', now(), '$_POST[post_owner]')";
mysql_query($add_post,$conn) or die(mysql_error());
//redirect user to topic
exit;
}
?>
