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

766 Chapter 31 Building Web Forums
Listing 31.8
Continued
$conn = db_connect();
$query = "select message from body where postid = '".$postid."'";
$result = $conn->query($query);
if($result->num_rows>0) {
$this_row = $result->fetch_array();
return $this_row[0];
}
}
These first two functions retrieve an article’s header and body, respectively, from the database.
Listing 31.11 add_quoting() Function from discussion_fns.php—Indents a
Message Text with > Symbols
function add_quoting($string, $pattern = '> ') {
// add a quoting pattern to mark text quoted in your reply
return $pattern.str_replace("\n", "\n$pattern", $string);
}
The add_quoting() function reformats the string to begin each line of the original text
with a symbol, which defaults to >.
After the user types in his reply and clicks the Post button, he is taken to the
store_new_post.php script. Sample output from this script is shown in Figure 31.9.
Figure 31.9
The new post is now visible in the tree.