PHP and MySQL Web Development 4th Ed-tqw-_darksiderg

764 Chapter 31 Building Web Forums
Listing 31.8
Continued
$parent = $_POST['parent'];
}
if(!$area) {
$area = 1;
}
if(!$error) {
if(!$parent) {
$parent = 0;
if(!$title) {
$title = 'New Post';
}
} else {
// get post name
$title = get_post_title($parent);
// append Re:
if(strstr($title, 'Re: ') == false) {
$title = 'Re: '.$title;
}
//make sure title will still fit in db
$title = substr($title, 0, 20);
//prepend a quoting pattern to the post you are replying to
$message = add_quoting(get_post_message($parent));
}
}
do_html_header($title);
display_new_post_form($parent, $area, $title, $message, $poster);
if($error) {
echo "Your message was not stored.
Make sure you have filled in all fields and
try again.";
}
do_html_footer();
?>
After some initial setup, the new_post.php script checks whether the parent is 0 (zero)
or otherwise. If it is 0, this topic is new, and little further work is needed.
If this message is a reply ($parent is the postid of an existing article), the script goes
ahead and sets up the title and text of the original message, as follows: