Blog help
Posted: Sun Jul 08, 2012 5:10 pm
I am part 4 of the Blog and Commenting System tutorial and I have run into a problem.
When I go to blog_list.php it shows everything correctly, but the date posted does not appear. I checked over the sql and I didn't see and errors. Also there are no php errors showing (I have confirmed that I have error reporting enabled).
Here is my code
blog_list.php (modified)
When I go to blog_list.php it shows everything correctly, but the date posted does not appear. I checked over the sql and I didn't see and errors. Also there are no php errors showing (I have confirmed that I have error reporting enabled).
Here is my code
blog_list.php (modified)
<?php
include('core/init.inc.php');
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8;" />
<title>News</title>
</head>
<body>
<div>
<?php
$posts = get_posts();
foreach ($posts as $post){
?>
<h2><?php echo $post['title']; ?></h2>
<h4>By <?php echo $post['user']; ?> on <?php $post['date']; ?></h4>
<hr />
<p><?php echo $post['preview']; ?></p>
<?php
}
?>
</div>
</body>
</html>
posts.inc.php (modified to allow html in posts)
<?php
// checks if the given post id is in the table.
function valid_pid($pid){
$pid = (int)$pid;
$total = mysql_query("SELECT COUNT(`post_id`) FROM `posts` WHERE `post_id` = {$pid}");
$total = mysql_result($total, 0);
if ($total != 1){
return false;
}else{
return true;
}
}
// fetches a summary of all the blog posts.
function get_posts(){
$sql = "SELECT
`posts`.`post_id` AS `id`,
`posts`.`post_title` AS `title`,
LEFT(`posts`.`post_body`, 512) AS `preview`,
`posts`.`post_user` AS `user`,
DATE_FORMAT(`posts`.`post_date`, '%d/%m/%Y %H:%i:%s') AS `date`,
`comments`.`total_comments`,
DATE_FORMAT(`comments`.`last_comment`, '%d/%m/%Y %H:%i:%s') AS `last_comment`
FROM `posts`
LEFT JOIN (
SELECT
`post_id`,
COUNT(`comment_id`) AS `total_comments`,
MAX(`comment_date`) AS `last_comment`
FROM `comments`
GROUP BY `post_id`
) AS `comments`
ON `posts`.`post_id` = `comments`.`post_id`
ORDER BY `posts`.`post_date` DESC";
$posts = mysql_query($sql);
$rows = array();
while (($row = mysql_fetch_assoc($posts)) !== false){
$rows[] = array(
'id' => $row['id'],
'title' => $row['title'],
'preview' => $row['preview'],
'user' => $row['user'],
'date' => $row['date'],
'total_comments'=> ($row['total_comments'] === null) ? 0 : $row['total_comments'],
'last_comment' => ($row['last_comment'] === null) ? 'never' : $row['last_comment']
);
}
return $rows;
}
// fetches a single post from the table.
function get_post($pid){
$pid = (int)$pid;
$sql = "SELECT
`post_title` AS `title`,
`post_body` AS `body`,
`post_user` AS `user`,
`post_date` AS `date`
FROM `posts`
WHERE `post_id` = {$pid}";
$post = mysql_query($sql);
$post = mysql_fetch_assoc($post);
$post['comments'] = get_comments($pid);
return $post;
}
// adds a new blog entry.
function add_post($name, $title, $body){
$name = mysql_real_escape_string(htmlentities($name));
$title = mysql_real_escape_string(htmlentities($title));
$body = mysql_real_escape_string(nl2br($body));
mysql_query("INSERT INTO `posts` (`post_user`, `post_title`, `post_body`, `post_date`) VALUES ('{$name}', '{$title}', '{$body}', NOW())");
}
?>