Linha do Texto Semiotic Classifier Game Code

<!--
########################################################################################
# Linha do Texto is a web application for exploring meaning inside textual categories. #               
# Copyright (C) 2010  Ana Cristina Fricke Matte                                        #
#                                                                                      #
# This program is free software; you can redistribute it and/or                        #
# modify it under the terms of the GNU General Public License                          #
# as published by the Free Software Foundation; either version 2                       #
# of the License, or (at your option) any later version.                               #
#                                                                                      #
# This program is distributed in the hope that it will be useful,                      #
# but WITHOUT ANY WARRANTY; without even the implied warranty of                       #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                        #
# GNU General Public License for more details.                                         #
#                                                                                      #
# You should have received a copy of the GNU General Public License                    #
# along with this program; if not, write to the Free Software                          #
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.      #
########################################################################################
-->

<?php

function mysql_abrir_sessao(){
include "config.php";
$dbh = mysql_connect ("$hostname", "$username", "$password"); 
if (!mysql_connect($hostname, $username, $password)) {
    echo 'Could not connect to mysql';
    return mysql_errno();
}else{
$conectadb = mysql_select_db ($database, $dbh);
if (!mysql_select_db($database, $dbh)){
    echo 'Could not connect to database';
    return mysql_errno();
	}
}
return $dbh;}


function formulario(){
echo "<form method=\"POST\" action=\"crialinhadotexto.php\">senha para criar novo jogo: <input type=\"password\" name=\"senhanovatabela\"<br />Nome do novo jogo: <input type=\"text\" name=\"jogo\" size=\"10\"><br />e-mail do autor do jogo: <input type=\"text\" name=\"email\" size=\"10\"><br /><input type=\"submit\" name=\"apertou\" value=\" cadastrar \"></form>";
}

function listajogos(){
mysql_abrir_sessao();
$lista = mysql_query('SELECT `id_jogo`, `jogo` FROM `jogo`;');
echo "<h2>";
if (!$lista){
    echo "DB Error, could not list jogos\n";
    echo 'MySQL Error: ' . mysql_error();
    exit;
}

while ($row = mysql_fetch_row($lista)){
    echo "Jogo: {$row[0]} => {$row[1]}<br />";
}
echo "<h2>";
}

?>