Source code of dbFindAverageGood1.php
<html>
<head>
<title>Find Average Item Price</title>
</head>
<body>
<h2>Find Average Item Price</h2>
<?php
$lines = file("mysql.txt");
$password = trim($lines[0]);
$dbLink = mysql_connect("localhost", "tboegel", $password);
mysql_select_db("clearwater", $dbLink);
$query = "SELECT avg(inv_price) as average_price FROM inventory";
$recordset = mysql_query($query, $dbLink);
$row = mysql_fetch_assoc($recordset);
$average = $row['average_price'];
print "<p>The average price of items in our inventory is $average</p>";
?>
</body>
</html>