The last of our three functions is the doInsert() function, which is given the task of inserting a tag into the database, returning the result of the insert, and then refreshing only the page in the Inline Frame to display all tags, which will hopefully include the tag the user just submitted.

The code we used to achieve this is detailed below:

function doInsert($__name, $__entry, $__url)
{
$conx = mysql_connect(HOST, USER, PASS) or die("Unable to connect to MySQL Server");
mysql_select_db(DB) or die("Unable to select Database");

$__name = addslashes($__name);
$__url = addslashes($__url);
$__entry = addslashes($__entry);

if (empty($__name))
{
?>
<p style="font-family: verdana,arial,helvetica,sans-serif; font-size: 11px; background-color: #FFFFFF">Name Field Is Required</p>
<meta http-equiv="refresh" content="5;url='board.php?do=Tags'">
<?
} elseif (empty($__entry))
{
?>
<p style="font-family: verdana,arial,helvetica,sans-serif; font-size: 11px; background-color: #FFFFFF">Entry Field Is Required</p>
<meta http-equiv="refresh" content="5;url='board.php?do=Tags'">
<?
} else {
$stSql = "INSERT INTO tagboard(tagId, tag_name, tag_url, tag_entry, tag_date) values('', '$__name', '$__url', '$__entry', ".time().")";
$arrResult = @mysql_query($stSql);
if (!$arrResult) { echo "Query Failed - Unable to Retrieve tags - ".mysql_error()." - Line: __LINE__"; exit(); }

if (mysql_affected_rows() == 1)
{
?>
<meta http-equiv="refresh" content="3;url='board.php?do=Tags'">
<?
} else {
echo "Unable to Add Entry to Database";
?>
<meta http-equiv="refresh" content="5;url='board.php?do=Tags'">
<?
}
}
}

As you can see in this first part of our function, we connect to our MySQL database and then select the database we will be using, which as I mentioned earlier in the article uses our defined constants.