//Add a new relationship between creature and attribute with a given value
class ajaxRequest
{
    function addCreatureAttr()
    {
        require 'Mize_connect.php';
        $mysqli = Mize_server();
        if ($mysqli->connect_errno) {
            echo "Failed to connect to MySQL: (" . $mysqli->connect_errno . ") " . $mysqli->connect_error;
            exit;
        }
        $creature = (string) htmlspecialchars($_POST['ca_creature']);
        $attr = (string) htmlspecialchars($_POST['ca_attr']);
        $value = (string) htmlspecialchars($_POST['ca_value']);
        $return = array();
        $return['creature'] = $creature;
        $return['attr'] = $attr;
        $return['value'] = $value;
        if (count($_POST) > 0) {
            $stmt = $mysqli->prepare("INSERT INTO mm_c_attr (creature_id, attribute, stat)\n\t\t\t\t\t\t\t\t\t\t  VALUES\n\t\t\t\t\t\t\t\t\t\t\t((SELECT id FROM mm_creatures WHERE name= ?),\n\t\t\t\t\t\t\t\t\t\t\t (SELECT id FROM mm_attributes WHERE name= ?),\n\t\t\t\t\t\t\t\t\t\t\t  ?)\n\t\t\t\t\t\t\t\t\t\t\t  ON DUPLICATE KEY UPDATE stat = ?");
            $stmt->bind_param("ssdd", $creature, $attr, $value, $value);
            $stmt->execute();
            $stmt->close();
        }
        return json_encode($return);
    }
}
$ajaxRequest = new ajaxRequest();
echo $ajaxRequest->addCreatureAttr();