A simple PHP wrapper for PDO that simplifies the use of prepared statements.
require_once("/path/to/db.php");
$db = new db($host, $username, $password, $table);
$sql = "SELECT `name`, `favourite_colour`
FROM `favourite_colours`
WHERE `name` = ?
LIMIT 1";
$res = $db->get_row($sql, array("John Smith"));
$sql = "SELECT `name`, `favourite_colour`
FROM `favourite_colours`
WHERE `favourite_colour` = ?";
$res = $this->db->get_array($sql, array("blue"));
$sql = "SELECT `name`, `favourite_colour`
FROM `favourite_colours`
WHERE `favourite_colour` = ?
AND `name` = ?";
$res = $this->db->get_array($sql, array("blue", "John Smith"));