Sams Teach Yourself PHP, MySQL® and Apache All in One

Adding Posts to a Topic

In this final step, you will create replytopost.php, which will look remarkably similar to the form and script used to add a topic. Listing 19.5 shows the code for this all-in-one form and script.

Listing 19.5. Script to Add Replies to a Topic

1: <?php 2: //connect to server and select database; we'll need it soon 3: $conn = mysql_connect("localhost", "joeuser", "somepass") 4: or die(mysql_error()); 5: mysql_select_db("testDB",$conn) or die(mysql_error()); 6: 7: //check to see if we're showing the form or adding the post 8: if ($_POST[op] != "addpost") { 9: // showing the form; check for required item in query string 10: if (!$_GET[post_id]) { 11: header("Location: topiclist.php"); 12: exit; 13: } 14: 15: //still have ...