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BOOK: Beginning PHP 6, Apache, MySQL 6 Web Development ISBN: 9780470391143
 | This is the forum to discuss the Wrox book Beginning PHP 6, Apache, MySQL 6 Web Development by Timothy Boronczyk, Elizabeth Naramore, Jason Gerner, Yann Le Scouarnec, Jeremy Stolz; ISBN: 9780470391143 |
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November 25th, 2009, 10:04 PM
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Chapter 13 - Submit Article - Errata
Using files supplied online, and comparing to the book, the code provided in chapter 13: Building a Content Management System does not permit one to post article_text to the MySQl database. We cannot compose an article and post it to a table (and it doesn't show up as a pending article. Everything else about the application works. Is there a correction available? Other than that, great book. Thanks. Steve
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June 30th, 2010, 08:58 AM
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I have the same problem, I downloaded the files and typed out the code from the book and it doesn't work, I can't seem to find any problem in the code as far as I can see. Can anyone give some light on this problem?
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June 30th, 2010, 09:57 AM
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I started to mess with the code and I think there is a problem with the if statement in the creation of the entry
PHP Code:
if (isset($_SESSION['user_id']) && !empty($title) &&
!empty($article_text)) {
$sql = 'INSERT INTO cms_articles
(user_id, submit_date, title, article_text)
VALUES
(' . $_SESSION['user_id'] . ',
"' . date('Y-m-d H:i:s') . '",
"' . mysql_real_escape_string($title, $db) . '",
"' . mysql_real_escape_string($article_text, $db) . '")';
mysql_query($sql, $db) or die(mysql_error($db));
}
redirect('cms_index.php');
break;
I tested it by commenting out the redirect and placing an echo in the if statement and the echo was never displayed:
PHP Code:
if (isset($_SESSION['user_id']) && !empty($title) &&
!empty($article_text)) {
echo 'Hello World';
$sql = 'INSERT INTO cms_articles
(user_id, submit_date, title, article_text)
VALUES
(' . $_SESSION['user_id'] . ',
"' . date('Y-m-d H:i:s') . '",
"' . mysql_real_escape_string($title, $db) . '",
"' . mysql_real_escape_string($article_text, $db) . '")';
mysql_query($sql, $db) or die(mysql_error($db));
}
// redirect('cms_index.php');
break;
I changed the if statement so it is always true to see if I can have have the data entered into the database I get an error:
PHP Code:
if (1 == 1) {
$sql = 'INSERT INTO cms_articles
(user_id, submit_date, title, article_text)
VALUES
(' . $_SESSION['user_id'] . ',
"' . date('Y-m-d H:i:s') . '",
"' . mysql_real_escape_string($title, $db) . '",
"' . mysql_real_escape_string($article_text, $db) . '")';
mysql_query($sql, $db) or die(mysql_error($db));
}
// redirect('cms_index.php');
break;
Code:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' "2010-06-30 10:44:56", "Hello", ' at line 4
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September 17th, 2010, 05:21 AM
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Join Date: Jun 2010
Location: Bra - Italy
Posts: 36
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In these script there are several errors, start with cms_compose.php
PHP Code:
<tr>
<td><label for="title">Title:</label></td>
<td><input type="text" name="title" id="title" maxlength="255"
value="<?php echo htmlspecialchars($title); ?>"/></td>
</tr><tr>
<td><label for="article_text">Text:</label></td>
<td><textarea name="article_text" name="article_text" rows="10"
cols="60"><?php echo htmlspecialchars($article_text); ?></textarea></td>
</tr><tr>
There are two name="article_text", one must be id="article_text"
next problem:
PHP Code:
if (empty($article_id)) {
echo '<input type="submit" name="action" "value="Submit New Article"/>';
} else {
echo '<input type="hidden" name="article_id" value="' . $article_id . '"/>';
echo '<input type="submit" name="action" "value="Save Changes"/>';
}
look the html syntax, just before value="Submit New Article" and "Save Changes" there are two (") character, they must be deleted.
Next step, cms_transact_article.php
PHP Code:
case 'Submit New Article':
$title = (isset($_POST['title'])) ? $_POST['title'] : '';
$article_text = (isset($_POST['article_text'])) ? $_POST['article_text']
: '';
if (isset($_SESSION['user_id']) && !empty($title) &&
!empty($article_text)) {
$sql = 'INSERT INTO cms_articles
(user_id, submit_date, title, article_text)
VALUES
(' . $_SESSION['user_id'] . ',
"' . date('Y-m-d H:i:s') . '",
"' . mysql_real_escape_string($title, $db) . '",
"' . mysql_real_escape_string($article_text, $db) . '")';
mysql_query($sql, $db) or die(mysql_error($db));
}
redirect('cms_index.php');
break;
The script seems only redirect to the cms_index.php, normal behavior if the conditions "(isset($_SESSION['user_id']) && !empty($title) && !empty($article_text))" are not valid.. but.. also the mysql syntax can have errors, just try to delete all the "if" cicle, the script will return the error:
Quote:
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You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' "2010-06-30 10:44:56", "Hello", ' at line 4
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.
Probably the syntax date('Y-m-d H:i:s') is not correct, or the database settings are wrong for receive this input.. I will try to fix it as soon is possible.. bye
Last edited by DMatt; September 17th, 2010 at 10:50 AM..
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September 21st, 2010, 04:30 PM
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Authorized User
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Join Date: Jun 2010
Location: Bra - Italy
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Ok, i fix it... finally...
For enter the article data in the database and show them, we have to modify 2 script: cms_transact_article.php and cms_compose.php
The right solution for cms_transact_article is here:
PHP Code:
case 'Submit New Article':
$title = (isset($_POST['title'])) ? $_POST['title'] : '';
$article_text = (isset($_POST['article_text'])) ? $_POST['article_text'] : '';
$user_id = (isset($_POST['user_id'])) ? $_POST['user_id'] : '';
if (!empty($user_id) && !empty($title) && !empty($article_text)) {
$sql = "INSERT INTO cms_articles
(user_id, submit_date, title, article_text)
VALUES
('$user_id', NOW(), '$title', '$article_text')";
mysql_query($sql, $db) or die (mysql_error($db));
}
redirect('cms_index.php');
break;
and the cms_compose is here:
PHP Code:
if (empty($article_id)) {
echo '<input type="hidden" name="user_id" value="' . $_SESSION['user_id'] . '"/>';
echo '<input type="submit" name="action" value="Submit New Article"/>';
The problem was an incorrect syntax of mysql instructions and the value of $_SESSION['user_id'] that wasn't passed through the pages.. As you look i've fix the syntax problems first, and after set user_id like a "post" data..
The comments have the same problems... This book is full of f*****g errors..
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October 14th, 2010, 02:15 AM
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Join Date: Sep 2010
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Nice work DMatt! I changed your code a little bit in cms_transact to pass values to mysql_real_escape_string() like this:
Code:
$title = (isset($_POST['title'])) ? mysql_real_escape_string($_POST['title'], $db) : '';
$article_text = (isset($_POST['article_text'])) ? mysql_real_escape_string($_POST['article_text'], $db) : '';
$user_id = (isset($_POST['user_id'])) ? $_POST['user_id'] : '';
This is because it's very dangerous to let users enter outside data into the datasbase without cleaning first. $user_id doesn't need it because it's value is generated internally.
Last edited by bopjo1; October 14th, 2010 at 02:19 AM..
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November 13th, 2010, 07:56 AM
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I use DMatt's code but it doesn't work ,finaly iI fount the error
The "cms_compose.php" If we do like this :
Code:
require 'db.inc.php';
include 'cms_header.inc.php';
$db = mysql_connect(MYSQL_HOST,MYSQL_USER,MYSQL_PASSWORD) or
die ('Unable to connect .Check your connection parameters.');
mysql_select_db(MYSQL_DB,$db) or die(mysql_error($db));
$action = (isset($_GET['action'])) ? $_GET['action'] : '';
$article_id = (isset($_GET['article_id']) && ctype_digit($_GET['article_id'])) ? $_GET['article_id'] : '';
$title = (isset($_POST['title'])) ? $_POST['title'] : '';
$article_text = (isset($_POST['article_text'])) ? $_POST['article_text'] : '';
//$user_id = (isset($_POST['user_id'])) ? $_POST['user_id'] : '';//delete this row
and edit the "cms_transact_article.php" Add "session_start()"
Code:
require_once 'db.inc.php';
require_once 'cms_http_functions.inc.php';
session_start();//add this row
$db = mysql_connect(MYSQL_HOST,MYSQL_USER,MYSQL_PASSWORD) or
die ('Unable to connect .Check your connection parameters.');
mysql_select_db(MYSQL_DB,$db) or die(mysql_error($db));
if (isset($_REQUEST['action']))
{
switch ($_REQUEST['action'])
{
case 'Submit New Article':
$title = (isset($_POST['title'])) ? $_POST['title'] : '';
$article_text = (isset($_POST['article_text'])) ? $_POST['article_text']: '';
if (isset($_SESSION['user_id']) && !empty($title) &&
!empty($article_text)) {
$sql = 'INSERT INTO cms_articles
(user_id, submit_date, title, article_text)
VALUES
(' . $_SESSION['user_id'] . ',
"' . date('Y-m-d H:i:s') . '",
"' . mysql_real_escape_string($title, $db) . '",
"' . mysql_real_escape_string($article_text, $db) . '")';
mysql_query($sql, $db) or die(mysql_error($db));
}
redirect('cms_index.php');
break;
and we can find it work . I 'm from china so my English is terrible ,forgive me!
The $_SESSION['user_id'] is always exist.and it's value only be changed in "cms_compose.php" "";
Last edited by jackzengfanwei; November 13th, 2010 at 08:03 AM..
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February 11th, 2014, 08:02 AM
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ch13 cms_transact_article.php
I also Download ch13 full code from this site .
but unfortunately that problem is still continue.
my actually problem is not inserting data in data base
& editing problem
plz solve is
Code:
<?php
require_once 'db.inc.php';
require_once 'cms_http_functions.inc.php';
$db = mysql_connect(MYSQL_HOST, MYSQL_USER, MYSQL_PASSWORD) or
die ('Unable to connect. Check your connection parameters.');
mysql_select_db(MYSQL_DB, $db) or die(mysql_error($db));
if (isset($_REQUEST['action'])) {
switch ($_REQUEST['action']) {
case 'Submit New Article':
$title = (isset($_POST['title'])) ? $_POST['title'] : '';
$article_text = (isset($_POST['article_text'])) ? $_POST['article_text']
: '';
if (isset($_SESSION['user_id']) && !empty($title) &&
!empty($article_text)) {
$sql = 'INSERT INTO cms_articles
(user_id, submit_date, title, article_text)
VALUES
(' . $_SESSION['user_id'] . ',
"' . date('Y-m-d H:i:s') . '",
"' . mysql_real_escape_string($title, $db) . '",
"' . mysql_real_escape_string($article_text, $db) . '")';
mysql_query($sql, $db) or die(mysql_error($db));
}
redirect('cms_index.php');
break;
case 'Edit':
redirect('cms_compose.php?action=edit&article_id=' . $_POST['article_id']);
break;
case 'Save Changes':
$article_id = (isset($_POST['article_id'])) ? $_POST['article_id'] : '';
$user_id = (isset($_POST['user_id'])) ? $_POST['user_id'] : '';
$title = (isset($_POST['title'])) ? $_POST['title'] : '';
$article_text = (isset($_POST['article_text'])) ? $_POST['article_text']
: '';
if (!empty($article_id) && !empty($title) && !empty($article_text)) {
$sql = 'UPDATE cms_articles SET
title = "' . mysql_real_escape_string($title, $db) . '",
article_text = "' . mysql_real_escape_string($article_text,
$db) . '",
submit_date = "' . date('Y-m-d H:i:s') . '"
WHERE
article_id = ' . $article_id;
if (!empty($user_id)) {
$sql .= ' AND user_id = ' . $user_id;
}
mysql_query($sql, $db) or die(mysql_error($db));
}
if (empty($user_id)) {
redirect('cms_pending.php');
} else {
redirect('cms_cpanel.php');
}
break;
case 'Publish':
$article_id = (isset($_POST['article_id'])) ? $_POST['article_id'] : '';
if (!empty($article_id)) {
$sql = 'UPDATE cms_articles SET
is_published = TRUE,
publish_date = "' . date('Y-m-d H:i:s') . '"
WHERE
article_id = ' . $article_id;
mysql_query($sql, $db) or die(mysql_error($db));
}
redirect('cms_pending.php');
break;
case 'Retract':
$article_id = (isset($_POST['article_id'])) ? $_POST['article_id'] : '';
if (!empty($article_id)) {
$sql = 'UPDATE cms_articles SET
is_published = FALSE,
publish_date = "0000-00-00 00:00:00"
WHERE
article_id = ' . $article_id;
mysql_query($sql, $db) or die(mysql_error($db));
}
redirect('cms_pending.php');
break;
case 'Delete':
$article_id = (isset($_POST['article_id'])) ? $_POST['article_id'] : '';
if (!empty($article_id)) {
$sql = 'DELETE a, c FROM
cms_articles a LEFT JOIN cms_comments c ON
a.article_id = c.article_id
WHERE
a.article_id = ' . $article_id . ' AND
is_published = FALSE';
mysql_query($sql, $db) or die(mysql_error($db));
}
redirect('cms_pending.php');
break;
case 'Submit Comment':
$article_id = (isset($_POST['article_id'])) ? $_POST['article_id'] : '';
$comment_text = (isset($_POST['comment_text'])) ?
$_POST['comment_text'] : '';
if (isset($_SESSION['user_id']) && !empty($article_id) &&
!empty($comment_text)) {
$sql = 'INSERT INTO cms_comments
(article_id, user_id, comment_date, comment_text)
VALUES
(' . $article_id . ',
' . $_SESSION['user_id'] . ',
"' . date('Y-m-d H:i:s') . '",
"' . mysql_real_escape_string($comment_text, $db) . '")';
mysql_query($sql, $db) or die(mysql_error($db));
}
redirect('cms_view_article.php?article_id=' . $article_id);
break;
default:
redirect('cms_index.php');
}
} else {
redirect('cms_index.php');
}
?>
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